Inventor
KOPOLOW STEPHEN L
US40 patents
⚠️ This page may combine multiple inventors who share the name “KOPOLOW STEPHEN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ISP INVESTMENTS INC
37 patentsUS5130121AJul 14, 1992
Skin care compositions containing discrete microdroplets of an oil in water stabilized by in situ polymerization of water-soluble vinyl monomer
ISP INVESTMENTS INC105 citations96
US6458888B1Oct 1, 2002
Rheology modifier for use in aqueous compositions
ISP INVESTMENTS INC69 citations95
US5219559AJun 15, 1993
Copolymer of vinyl pyrrolidone and a C30 alpha-olefin in flake or powder form, process for making same, and personal care compositions therewith
ISP INVESTMENTS INC22 citations92
US5169622ADec 8, 1992
Hair and skin care compositions containing discrete microdroplets of an oil in water stabilized by in situ copolymerization of a water-soluble vinyl monomer and a water-soluble acryl comonomer
ISP INVESTMENTS INC25 citations92
US6548597B2Apr 15, 2003
Polymeric composition
ISP INVESTMENTS INC19 citations91
US6806310B2Oct 19, 2004
Coated substrates for computer printers
ISP INVESTMENTS INC17 citations83
US6541565B2Apr 1, 2003
Polymeric system for delivering an active material
ISP INVESTMENTS INC17 citations83
US5178143AJan 12, 1993
Electrically conductive gel composition
ISP INVESTMENTS INC18 citations82
US5567787AOct 22, 1996
Crosslinked terpolymers of high salt tolerance
ISP INVESTMENTS INC8 citations74
US5539039AJul 23, 1996
Process for the preparation of stable water based stock solutions of crosslinked lower alkyl vinyl ether and maleic anhydride copolymers and hydrogel product of the process
ISP INVESTMENTS INC8 citations74
US5171807ADec 15, 1992
Copolymer of vinyl pyrrolidone and a C30 alpha-olefin in flake or powder form, process for making same, and personal care compositions therewith
ISP INVESTMENTS INC12 citations74
US5159033AOct 27, 1992
Polymerization process using PVP-H2 O2 as free radical initiator
ISP INVESTMENTS INC8 citations74
US5145669ASep 8, 1992
Sunscreen composition
ISP INVESTMENTS INC11 citations74
US6620521B1Sep 16, 2003
Water-resistant color inkjet receptive films
ISP INVESTMENTS INC7 citations73
US5874510AFeb 23, 1999
Process for making crosslinked copolymers of maleic anhydride and methyl vinyl ether
ISP INVESTMENTS INC9 citations73
US5254636AOct 19, 1993
Rapid hydrolysis of crosslinked maleic anhydride/lower alkyl vinyl ether copolymers
ISP INVESTMENTS INC8 citations73
US5252325AOct 12, 1993
Conditioning hair care compositions
ISP INVESTMENTS INC17 citations73
US5223247AJun 29, 1993
Hair spra composition containing water soluble alkylated PVP copolymers as hair fixative therein
ISP INVESTMENTS INC15 citations73
US5221531AJun 22, 1993
Polymer hair fixatives, aqueous-based solution process for making same and water-based hair spray formulations therewith which meet VOC standards
ISP INVESTMENTS INC15 citations73
US5182098AJan 26, 1993
Terpolymer hair fixatives, aqueous solution process for making same and water-based hair spray formulations which meet VOC standards
ISP INVESTMENTS INC15 citations73
US5169623ADec 8, 1992
Conditioning hair care compositions
ISP INVESTMENTS INC14 citations73
US5073296ADec 17, 1991
Preparation of discrete microdroplets of an oil in water
ISP INVESTMENTS INC17 citations73
US6641259B1Nov 4, 2003
Substrate for color inkjet printing
ISP INVESTMENTS INC6 citations71
US5084208AJan 28, 1992
Preparation of discrete microdroplets of a high viscosity oil in water
ISP INVESTMENTS INC8 citations71
US5779944AJul 14, 1998
Water dispersible perfluoroether polymer encapsulates
ISP INVESTMENTS INC3 citations63
US5711951AJan 27, 1998
Aqueous product comprising discrete, stabilized, microdroplets of an oil and an in situ polymerized vinyl monomer, containing a thickening agent to homogeneously suspend the microdroplets throughout the medium
ISP INVESTMENTS INC4 citations63
US5516828AMay 14, 1996
Process for the preparation of stable water based stock solutions of crosslinked lower alkyl vinyl ether and maleic anhydride copolymers and hydrogel product of the process
ISP INVESTMENTS INC3 citations63
US5185170AFeb 9, 1993
Copolymer of vinyl pyrrolidone and a C30 alpha-olefin in flake or powder form, process for making same, and personnal care compositions therewith
ISP INVESTMENTS INC4 citations63
US7402641B2Jul 22, 2008
Terpolymer compositions for coating substrates used in computer printers
ISP INVESTMENTS INC2 citations62
US6939934B2Sep 6, 2005
Terpolymer compositions for coating substrates used in computer printers
ISP INVESTMENTS INC4 citations62
US5521256AMay 28, 1996
Process for hydrolyzing and neutralizing a crosslinked polymer of maleic anhydride and a C1 -C5 alkyl vinyl ether, optionally with a hydrophobic monomer, substantially instantly at room temperature
ISP INVESTMENTS INC4 citations62
US5362789ANov 8, 1994
Crosslinked terpolymers of high salt tolerance
ISP INVESTMENTS INC4 citations62
US5252324AOct 12, 1993
Conditioning shampoo hair care compositions
ISP INVESTMENTS INC6 citations62
US6713538B2Mar 30, 2004
Post-treatment of a polymeric composition
ISP INVESTMENTS INC4 citations61
US6624271B1Sep 23, 2003
Process for making a solution of copolymers of maleic anhydride and alkyl vinyl ether in isopropyl acetate of high specific viscosity and at a high solids level
ISP INVESTMENTS INC2 citations61
US6797793B1Sep 28, 2004
Process for making vinyl ether polymers
ISP INVESTMENTS INC0 citations51
US6682188B2Jan 27, 2004
Inkjet printing composition
ISP INVESTMENTS INC0 citations48