Inventor · disambiguated record
David A. Ley
Also filed as: LEY DAVID · LEY DAVID A · LEY DAVID ARTHUR
23 granted patents·4 pending applications·211 citations·filing 1983–2019
95Inventor score
Top patents by PatentIndex Score
27 records- 0191US4940734AProcess for the preparation of porous polymer beadsAMERICAN CYANAMID CO·Filed 1988·Granted Jul 10, 1990·72 cites·20 claims
- 0289US6063922ACarbamate functional 1,3,5-triazinesCYTEC TECH CORP·Filed 1997·Granted May 16, 2000·29 cites·22 claims
- 0383US5705641AProcess for the preparation of 1,3,5-triazine carbamates from amino-1,3,5-triazines and organic carbonatesCYTEC TECH CORP·Filed 1995·Granted Jan 6, 1998·18 cites·31 claims
- 0473US4522973ALow temperature crosslinkable emulsionAMERICAN CYANAMID CO·Filed 1983·Granted Jun 11, 1985·20 cites·12 claims
- 0560US6506898B1Process for the preparation of 1,3,5-triazine carbamates from amino-1,3,5-triazines and organic carbonatesCYTEC TECH CORP·Filed 1995·Granted Jan 14, 2003·5 cites·32 claims
- 0658US4495366AProcess for making trifunctional primary amine crosslinkerAMERICAN CYANAMID CO·Filed 1983·Granted Jan 22, 1985·5 cites·9 claims
- 0753US5792866AProcess for the preparation of 1,3,5-triazine carbamates from amino 1,3,5-triazines and organic carbonatesCYTEC TECH CORP·Filed 1995·Granted Aug 11, 1998·3 cites·16 claims
- 0851US2022041949A1Antioxidant mixture for high viscous polyalkylene glycol basestockBASF SE·Filed 2019·Application pending·0 cites
- 0951US2022033730A1Antioxidant mixture for low viscous polyalkylene glycol basestockBASF SE·Filed 2019·Application pending·0 cites
- 1051US2022002614A1Method for extracting petroleum from underground deposits having high salinityBASF SE·Filed 2019·Application pending·0 cites
- 1148US6313218B1Low VOC, isocyanate based aqueous curable compositionsCYTEC TECH CORP·Filed 1998·Granted Nov 6, 2001·10 cites·18 claims
- 1247US5155174ASurface-modified polyacrylonitrile fibrous substratesAMERICAN CYANAMID CO·Filed 1990·Granted Oct 13, 1992·6 cites·12 claims
- 1347US4530960ALow temperature cure, activated ester coating composition with improved pot lifeAMERICAN CYANAMID CO·Filed 1983·Granted Jul 23, 1985·6 cites·19 claims
- 1447US4528320ALow temperature, moisture cure coating compositionAMERICAN CYANAMID CO·Filed 1983·Granted Jul 9, 1985·9 cites·10 claims
- 1546US2020239762A1Method for extracting petroleum from underground deposits having high temperature and salinityBASF SE·Filed 2018·Application pending·0 cites
- 1645US5306782ASurface-modified polyacrylonitrile fibrous substratesAMERICAN CYANAMID CO·Filed 1993·Granted Apr 26, 1994·6 cites·9 claims
- 1742US5270384ASurface-modified polyacrylonitrile fibrous substratesAMERICAN CYANAMID CO·Filed 1992·Granted Dec 14, 1993·5 cites·10 claims
- 1841US5284910ASurface-modified polyacrylonitrile fibrous substratesAMERICAN CYANAMID CO·Filed 1992·Granted Feb 8, 1994·5 cites·12 claims
- 1935US5418284ASurface-modified polyacrylonitrile beadsCYTEC TECH CORP·Filed 1993·Granted May 23, 1995·4 cites·19 claims
- 2035US5284911ASurface-modified polyacrylonitrile substratesAMERICAN CYANAMID CO·Filed 1992·Granted Feb 8, 1994·2 cites·31 claims
- 2134US5981648APolymeric curable compositions containing alkylacrylamidoglycolatesFiled 1992·Granted Nov 9, 1999·2 cites·4 claims
- 2234US5306632APorous acrylonitrile polymer substrate for bonding ligands and separating biologically active substancesCYTEC TECH CORP·Filed 1993·Granted Apr 26, 1994·4 cites·66 claims
- 2332US6288226B11,3,5-Triazine carbamates from amino-1,3,5-triazines and organic carbonates and curable compositions thereofCYTEC TECH CORP·Filed 1998·Granted Sep 11, 2001·0 cites·24 claims
- 2430US5194512ASurface-modified polyacrylonitrile substratesAMERICAN CYANAMID CO·Filed 1991·Granted Mar 16, 1993·0 cites·11 claims
- 2529US5268421ASurface-modified polyacrylonitrile beadsAMERICAN CYANAMID CO·Filed 1992·Granted Dec 7, 1993·0 cites·21 claims
- 2629US5137983ASurface-modified polyacrylonitrile beadsAMERICAN CYANAMID CO·Filed 1990·Granted Aug 11, 1992·0 cites·10 claims
- 2729US5082904ASurface-modified polyacrylonitrile substratesAMERICAN CYANAMID CO·Filed 1990·Granted Jan 21, 1992·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →