Inventor

Stephen L. Kopolow

Inventor

Plainsboro, NJ, US

Overview

1983–2008

Patent span

Human necessities

Primary field (CPC A)

Patents· 40 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes19%

A61QSpecific use of cosmetics or similar toiletry preparations18%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds15%

B41MPrinting, duplicating, marking, or copying processes7%

C08JWorking-up7%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%

C08LCompositions of macromolecular compounds6%

C09DCoating compositions, e.g. paints, varnishes or lacquers6%

B82YSpecific uses or applications of nanostructures5%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

7,402,641'Terpolymer compositions for coating substrates used in computer printers'2008 6,939,934'Terpolymer compositions for coating substrates used in computer printers'2005 6,806,310'Coated substrates for computer printers'2004 6,797,793'Process for making vinyl ether polymers'2004 6,713,538'Post-treatment of a polymeric composition'2004 6,682,188'Inkjet printing composition'2004 6,641,259'Substrate for color inkjet printing'2003 6,624,271'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'2003 6,620,521'Water-resistant color inkjet receptive films'2003 6,548,597'Polymeric composition'2003 6,541,565'Polymeric system for delivering an active material'2003 6,458,888'Rheology modifier for use in aqueous compositions'2002 5,874,510'Process for making crosslinked copolymers of maleic anhydride and methyl vinyl ether'1999 5,779,944'Water dispersible perfluoroether polymer encapsulates'1998 5,711,951'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'1998 5,567,787'Crosslinked terpolymers of high salt tolerance'1996 5,539,039'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'1996 5,521,256'Process for hydrolyzing and neutralizing a crosslinked polymer of maleic anhydride and a C.sub.1 -C.sub.5 alkyl vinyl ether, optionally with a hydrophobic monomer, substantially instantly at room temperature'1996 5,516,828'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'1996 5,362,789'Crosslinked terpolymers of high salt tolerance'1994 5,254,636'Rapid hydrolysis of crosslinked maleic anhydride/lower alkyl vinyl ether copolymers'1993 5,252,325'Conditioning hair care compositions'1993 5,252,324'Conditioning shampoo hair care compositions'1993 5,223,247'Hair spra composition containing water soluble alkylated PVP copolymers as hair fixative therein'1993 5,221,531'Polymer hair fixatives, aqueous-based solution process for making same and water-based hair spray formulations therewith which meet VOC standards'1993 5,219,559'Copolymer of vinyl pyrrolidone and a C30 alpha-olefin in flake or powder form, process for making same, and personal care compositions therewith'1993 5,185,170'Copolymer of vinyl pyrrolidone and a C30 alpha-olefin in flake or powder form, process for making same, and personnal care compositions therewith'1993 5,182,098'Terpolymer hair fixatives, aqueous solution process for making same and water-based hair spray formulations which meet VOC standards'1993 5,178,143'Electrically conductive gel composition'1993 5,171,807'Copolymer of vinyl pyrrolidone and a C.sub.30 alpha-olefin in flake or powder form, process for making same, and personal care compositions therewith'1992 5,169,623'Conditioning hair care compositions'1992 5,169,622'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'1992 5,159,033'Polymerization process using PVP-H.sub.2 O.sub.2 as free radical initiator'1992 5,145,669'Sunscreen composition'1992 5,130,121'Skin care compositions containing discrete microdroplets of an oil in water stabilized by in situ polymerization of water-soluble vinyl monomer'1992 5,084,208'Preparation of discrete microdroplets of a high viscosity oil in water'1992 5,073,296'Preparation of discrete microdroplets of an oil in water'1991 5,034,220'Non-aerosol shaving gel'1991 4,552,618'Stabilized absorbent boards'1985 4,423,184'Synthetic superabsorbent fibers'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1985Patents assigned to PERSONAL PRODUCTS CO (2)· patent assignee history

1983–2008Based in Plainsboro, NJ, US· patent location history

1991–2008Patents assigned to ISP INVESTMENTS INC (37)· patent assignee history

1991Patents assigned to GAF CHEMICALS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ISP INVESTMENTS INC	37	1991–2008
PERSONAL PRODUCTS CO	2	1983–1985
GAF CHEMICALS CORP	1	1991

Locations

Location	Patents	Span
Plainsboro, New Jersey, US	40	1983–2008