⚠ Novel chemotype — no close known analogue (best Tanimoto < 0.3). Unexplored chemical space relative to ChEMBL.
Similar compounds — the chemically nearest patent molecules
Nearest neighbours by Morgan-fingerprint cosine across the patent-compound collection, with each neighbour's top predicted target and the predicted targets it shares with this molecule.
| Compound | similarity | top predicted | shared targets | |
|---|---|---|---|---|
| Hydrogen Sulfide SCHEMBL10620388 | 1.00 | — | — | |
| Hydrogen Sulfide SCHEMBL28225628 | 0.82 | — | — | |
| Hydrogen Sulfide SCHEMBL63345 | 0.82 | — | — | |
| Hydrogen Sulfide SCHEMBL8219518 | 0.82 | — | — | |
| SCHEMBL300410 | 0.82 | — | — | |
| Hydrogen Sulfide SCHEMBL28158408 | 0.82 | — | — | |
| Hydrogen Sulfide SCHEMBL2552875 | 0.82 | — | — | |
| Hydrogen Sulfide SCHEMBL2555702 | 0.82 | — | — | |
| Hydrogen Sulfide SCHEMBL28847861 | 0.78 | — | — | |
| Hydrogen Sulfide SCHEMBL8621934 | 0.67 | — | — |
Similarity is cosine over the 2,048-bit Morgan fingerprint (≈ Tanimoto). Identical fingerprints score 1.00.
Patent provenance — the patents this molecule appears in, and who filed them
Claimed or disclosed in 74 patents. claimed = in the patent's claims; disclosed = body only.
| Patent | Title | Assignee | Published | Priority | Filing | Country | Status |
|---|---|---|---|---|---|---|---|
| EP-4634132-A2 | COATED (CORE-SHELL) NANOPARTICLES FOR NANOCOMPOSITE OPTICAL CERAMICS | Raytheon Company (US) | 2025-10-22 | — | — | EP | claimed |
| WO-2024226100-A9 | COATED (CORE-SHELL) NANOPARTICLES FOR NANOCOMPOSITE OPTICAL CERAMICS | RAYTHEON COMPANY (US) | 2025-02-06 | — | — | WO | claimed |
| US-12145890-B2 | Coated (core-shell) nanoparticles for nanocomposite optical ceramics | RAYTHEON COMPANY (US) | 2024-11-19 | — | — | US | claimed |
| WO-2024226100-A2 | COATED (CORE-SHELL) NANOPARTICLES FOR NANOCOMPOSITE OPTICAL CERAMICS | RAYTHEON COMPANY (US) | 2024-10-31 | — | — | WO | claimed |
| US-20240199497-A1 | COATED (CORE-SHELL) NANOPARTICLES FOR NANOCOMPOSITE OPTICAL CERAMICS | RAYTHEON COMPANY | 2024-06-20 | — | — | US | claimed |
| US-20230219824-A1 | CALCIUM LANTHANUM SULFIDE NANO-POWDERS, METHOD OF MAKING, AND OPTICALLY TRANSMISSIVE BODY FORMED THEREFROM | CHANNU VENKATA S REDDY (US) | 2023-07-13 | — | — | US | claimed |
| US-10385220-B2 | Long wave infrared transparent window and coating materials | RAYTHEON COMPANY (US) | 2019-08-20 | — | — | US | claimed |
| US-20180258294-A1 | LONG WAVE INFRARED TRANSPARENT WINDOW AND COATING MATERIALS | RAYTHEON COMPANY | 2018-09-13 | — | — | US | claimed |
| US-10000642-B2 | Long wave infrared transparent window and coating materials | RAYTHEON COMPANY (US) | 2018-06-19 | — | — | US | claimed |
| US-20160068686-A1 | LONG WAVE INFRARED TRANSPARENT WINDOW AND COATING MATERIALS | RAYTHEON COMPANY | 2016-03-10 | — | — | US | claimed |
| US-9192018-B2 | Electroluminescence device, a production process of the same and a display apparatus | BOE TECHNOLOGY GROUP CO., LTD. (CN) | 2015-11-17 | — | — | US | claimed |
| US-20150257234-A1 | ELECTROLUMINESCENCE DEVICE, A PRODUCTION PROCESS OF THE SAME AND A DISPLAY APPARATUS | BOE TECHNOLOGY GROUP CO., LTD. (CN) | 2015-09-10 | — | — | US | claimed |
| US-8426817-B2 | Monodispersed and spherical ZnS for nano-grain optical windows | Texas Biochemicals, Inc. (US) | 2013-04-23 | — | — | US | claimed |
| US-20120223230-A1 | Monodispersed and Spherical ZnS For Nano-Grain Optical Windows | Texas Biochemicals, Inc. | 2012-09-06 | — | — | US | claimed |
| US-20120205540-A1 | Ultra-High Densification of ZnS For Nano-Grain Optical Windows | Texas Biochemicals, Inc. | 2012-08-16 | — | — | US | claimed |
| CN-101177552-B | Tin-doped (IV) calcium sulfide lanthanum pigment and preparation method thereof | CHANGCHUN APPLIED CHEMISTRY | 2011-05-04 | — | — | CN | claimed |
| CN-101177552-A | Tin-doped (IV) calcium sulfide lanthanum pigment and preparation method thereof | CHANGCHUN APPLIED CHEMISTRY (CN) | 2008-05-14 | — | — | CN | claimed |
| US-4765931-A | FORMING A SOLID SOLUTION OF A BINARY AND TERIARY SULFIDE OF A METAL AND A LANTHANUM SERIES METAL; POWDER METALLURGY | RAYTHEON COMPANY (US) | 1988-08-23 | — | — | US | claimed |
| US-4619792-A | PRECIPITATION OF CALCIUM AND LANTHANUM CARBONATES AND SULFURIZATION | RAYTHEON COMPANY (US) | 1986-10-28 | — | — | US | claimed |
| JP-4193756-A | — | — | None | — | — | JP | disclosed |
| US-20260117043-A1 | Boron Nitride - Polymer Binder Systems for Protection of Reaction Sensitive Ceramics During Sintering | NAPADENSKY EUGENE (US) | 2026-04-30 | — | — | US | disclosed |
| US-12595536-B1 | Nanocomposites including gallium arsenide and silicon | RAYTHEON COMPANY (US) | 2026-04-07 | — | — | US | disclosed |
| US-20260015250-A1 | LARGE-SCALE PRODUCTION OF CALCIUM LANTHANUM SULPHIDE (CLS) NANOPOWDERS | CHANNU VENKATA S REDDY (US) | 2026-01-15 | — | — | US | disclosed |
| US-20260015250-A1 | LARGE-SCALE PRODUCTION OF CALCIUM LANTHANUM SULPHIDE (CLS) NANOPOWDERS | CHANNU VENKATA S REDDY (US) | 2026-01-15 | — | — | US | disclosed |
| EP-4634132-A2 | COATED (CORE-SHELL) NANOPARTICLES FOR NANOCOMPOSITE OPTICAL CERAMICS | Raytheon Company (US) | 2025-10-22 | — | — | EP | disclosed |
| WO-2024226100-A9 | COATED (CORE-SHELL) NANOPARTICLES FOR NANOCOMPOSITE OPTICAL CERAMICS | RAYTHEON COMPANY (US) | 2025-02-06 | — | — | WO | disclosed |
| US-12145890-B2 | Coated (core-shell) nanoparticles for nanocomposite optical ceramics | RAYTHEON COMPANY (US) | 2024-11-19 | — | — | US | disclosed |
| WO-2024226100-A2 | COATED (CORE-SHELL) NANOPARTICLES FOR NANOCOMPOSITE OPTICAL CERAMICS | RAYTHEON COMPANY (US) | 2024-10-31 | — | — | WO | disclosed |
| US-20240199497-A1 | COATED (CORE-SHELL) NANOPARTICLES FOR NANOCOMPOSITE OPTICAL CERAMICS | RAYTHEON COMPANY | 2024-06-20 | — | — | US | disclosed |
| US-20230219824-A1 | CALCIUM LANTHANUM SULFIDE NANO-POWDERS, METHOD OF MAKING, AND OPTICALLY TRANSMISSIVE BODY FORMED THEREFROM | CHANNU VENKATA S REDDY (US) | 2023-07-13 | — | — | US | disclosed |
| US-20230219824-A1 | CALCIUM LANTHANUM SULFIDE NANO-POWDERS, METHOD OF MAKING, AND OPTICALLY TRANSMISSIVE BODY FORMED THEREFROM | CHANNU VENKATA S REDDY (US) | 2023-07-13 | — | — | US | disclosed |
| US-11629062-B2 | Self propagating low temperature synthesis of CaLa2S4 and fabrication of IR window | Texas Biochemicals Inc. | 2023-04-18 | — | — | US | disclosed |
| US-20210371295-A1 | Self Propagating Low Temperature synthesis of CaLa2S4 and Fabrication of IR Window | Texas Biochemicals Inc. (US) | 2021-12-02 | — | — | US | disclosed |
| CN-108715551-B | Low-temperature sintering rare earth sulfide gamma-Ln2S3Method for preparing infrared transparent ceramics | 西北工业大学 | 2021-04-20 | — | — | CN | disclosed |
| CN-108675792-B | Reaction hot-pressing sintering preparation of CaLa2S4Method for preparing infrared transparent ceramics | 西北工业大学 | 2021-01-05 | — | — | CN | disclosed |
| US-10550041-B1 | Fluoride-based nanocomposite materials for infrared window applications | RAYTHEON COMPANY (US) | 2020-02-04 | — | — | US | disclosed |
| US-10385220-B2 | Long wave infrared transparent window and coating materials | RAYTHEON COMPANY (US) | 2019-08-20 | — | — | US | disclosed |
| US-10389082-B1 | Rare-earth-doped ternary sulfides for mid-wave and long-wave IR lasers | THE GOVERNMENT OF THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE NAVY (US) | 2019-08-20 | — | — | US | disclosed |
| CN-108715551-A | A kind of low-temperature sintering rare-earth sulfide γ-Ln2S3The method of infrared transparent ceramics | 西北工业大学 | 2018-10-30 | — | — | CN | disclosed |
| CN-108715549-A | It is a kind of to prepare rare-earth sulfide γ-Ln2S3The method of crystalline ceramics | 西北工业大学 | 2018-10-30 | — | — | CN | disclosed |
| CN-108715550-A | It is a kind of to prepare CaLa2S4The method of powder and hot pressed sintering infrared transparent ceramics | 西北工业大学 | 2018-10-30 | — | — | CN | disclosed |
| CN-108675792-A | A kind of reactive hot press sintering preparation CaLa2S4The method of infrared transparent ceramics | 西北工业大学 | 2018-10-19 | — | — | CN | disclosed |
| US-20180258294-A1 | LONG WAVE INFRARED TRANSPARENT WINDOW AND COATING MATERIALS | RAYTHEON COMPANY | 2018-09-13 | — | — | US | disclosed |
| US-10000642-B2 | Long wave infrared transparent window and coating materials | RAYTHEON COMPANY (US) | 2018-06-19 | — | — | US | disclosed |
| US-9809501-B2 | Calcium lanthanoid sulfide powders, methods of making, and ceramic bodies formed therefrom | THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE NAVY (US) | 2017-11-07 | — | — | US | disclosed |
| US-9575219-B2 | Ultra-high densification of ZnS for nano-grain optical windows | RAVICHANDRAN DURAISWAMY (US) | 2017-02-21 | — | — | US | disclosed |
| US-20160068686-A1 | LONG WAVE INFRARED TRANSPARENT WINDOW AND COATING MATERIALS | RAYTHEON COMPANY | 2016-03-10 | — | — | US | disclosed |
| US-9192018-B2 | Electroluminescence device, a production process of the same and a display apparatus | BOE TECHNOLOGY GROUP CO., LTD. (CN) | 2015-11-17 | — | — | US | disclosed |
| US-20150257234-A1 | ELECTROLUMINESCENCE DEVICE, A PRODUCTION PROCESS OF THE SAME AND A DISPLAY APPARATUS | BOE TECHNOLOGY GROUP CO., LTD. (CN) | 2015-09-10 | — | — | US | disclosed |
| US-8426817-B2 | Monodispersed and spherical ZnS for nano-grain optical windows | Texas Biochemicals, Inc. (US) | 2013-04-23 | — | — | US | disclosed |
| US-20120223230-A1 | Monodispersed and Spherical ZnS For Nano-Grain Optical Windows | Texas Biochemicals, Inc. | 2012-09-06 | — | — | US | disclosed |
| US-20120205540-A1 | Ultra-High Densification of ZnS For Nano-Grain Optical Windows | Texas Biochemicals, Inc. | 2012-08-16 | — | — | US | disclosed |
| US-20110174989-A1 | CALCIUM LANTHANOID SULFIDE POWDERS, METHODS OF MAKING, AND CERAMIC BODIES FORMED THEREFROM | THE GOVERNMENT OF THE UNITED STATES, AS REPRESENTED BY THE SECRETARY OF THE NAVY | 2011-07-21 | — | — | US | disclosed |
| CN-101177552-B | Tin-doped (IV) calcium sulfide lanthanum pigment and preparation method thereof | CHANGCHUN APPLIED CHEMISTRY | 2011-05-04 | — | — | CN | disclosed |
| CN-101177552-B | Tin-doped (IV) calcium sulfide lanthanum pigment and preparation method thereof | CHANGCHUN APPLIED CHEMISTRY | 2011-05-04 | — | — | CN | disclosed |
| CN-101177552-A | Tin-doped (IV) calcium sulfide lanthanum pigment and preparation method thereof | CHANGCHUN APPLIED CHEMISTRY (CN) | 2008-05-14 | — | — | CN | disclosed |
| CN-101177552-A | Tin-doped (IV) calcium sulfide lanthanum pigment and preparation method thereof | CHANGCHUN APPLIED CHEMISTRY (CN) | 2008-05-14 | — | — | CN | disclosed |
| EP-0919069-B1 | ENVIRONMENTALLY RESISTANT, INFRARED-TRANSPARENT WINDOW STRUCTURE | RAYTHEON CO (US) | 2007-11-14 | — | — | EP | disclosed |
| EP-0545746-B1 | Compositions based on rare earth sulfides, preparation and use thereof | RHONE POULENC CHIMIE (FR) | 1997-04-23 | — | — | EP | disclosed |
| EP-0429210-B1 | Optical elements and method of manufacture | RAYTHEON CO (US) | 1996-03-13 | — | — | EP | disclosed |
| US-5324353-A | Zinc sulfide bodies having improved optical transmittance characteristics and mechanical characteristics | RAYTHEON COMPANY (US) | 1994-06-28 | — | — | US | disclosed |
| EP-0317264-B1 | THICK, IMPACT RESISTANT ANTIREFLECTION COATINGS FOR IR TRANSPARENT OPTICAL ELEMENTS | RAYTHEON COMPANY (US) | 1993-04-28 | — | — | EP | disclosed |
| JP-H04193756-A | PRODUCTION OF SULFIDE CERAMICS | TECH RES & DEV INST OF JAPAN DEF AGENCY | 1992-07-13 | — | — | JP | disclosed |
| US-5120602-A | Base layer and protective coating | RAYTHEON COMPANY (US) | 1992-06-09 | — | — | US | disclosed |
| EP-0486236-A1 | Zinc sulfide optical elements | RAYTHEON COMPANY (US) | 1992-05-20 | — | — | EP | disclosed |
| US-5067781-A | Optical elements and method of manufacture | RAYTHEON COMPANY (US) | 1991-11-26 | — | — | US | disclosed |
| EP-0429210-A2 | Optical elements and method of manufacture | RAYTHEON COMPANY (US) | 1991-05-29 | — | — | EP | disclosed |
| US-4995684-A | Impact resistant and tempered optical elements | RAYTHEON COMPANY (US) | 1991-02-26 | — | — | US | disclosed |
| US-4907846-A | Thick, impact resistant antireflection coatings for IR transparent optical elements | RAYTHEON COMPANY (US) | 1990-03-13 | — | — | US | disclosed |
| EP-0317264-A2 | Thick, impact resistant antireflection coatings for IR transparent optical elements | RAYTHEON COMPANY (US) | 1989-05-24 | — | — | EP | disclosed |
| US-4765931-A | FORMING A SOLID SOLUTION OF A BINARY AND TERIARY SULFIDE OF A METAL AND A LANTHANUM SERIES METAL; POWDER METALLURGY | RAYTHEON COMPANY (US) | 1988-08-23 | — | — | US | disclosed |
| US-4765931-A | FORMING A SOLID SOLUTION OF A BINARY AND TERIARY SULFIDE OF A METAL AND A LANTHANUM SERIES METAL; POWDER METALLURGY | RAYTHEON COMPANY (US) | 1988-08-23 | — | — | US | disclosed |
| US-4619792-A | PRECIPITATION OF CALCIUM AND LANTHANUM CARBONATES AND SULFURIZATION | RAYTHEON COMPANY (US) | 1986-10-28 | — | — | US | disclosed |
| US-4619792-A | PRECIPITATION OF CALCIUM AND LANTHANUM CARBONATES AND SULFURIZATION | RAYTHEON COMPANY (US) | 1986-10-28 | — | — | US | disclosed |
| US-4619792-A | PRECIPITATION OF CALCIUM AND LANTHANUM CARBONATES AND SULFURIZATION | RAYTHEON COMPANY (US) | 1986-10-28 | — | — | US | disclosed |