Inventor
ULMER HERBERT W
NL11 patents
⚠️ This page may combine multiple inventors who share the name “ULMER HERBERT W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ISP INVESTMENTS INC
8 patentsUS5886194AMar 23, 1999
Hydroxyamino-derivatized polymers of olefin-maleic anhydride in the form of their maleimide maleamic acid and α- olefin-maleic anhydride half-acid/half ester or full acid repeat units process for making same
ISP INVESTMENTS INC21 citations90
US5869695AFeb 9, 1999
Process for making derivatized polymers of maleic anhydride containing maleamic acid and its corresponding cyclic imide repeat units
ISP INVESTMENTS INC33 citations90
US6025501AFeb 15, 2000
Derivatized polymers of α-olefin-maleic anhydride alkyl half-ester or full acid
ISP INVESTMENTS INC17 citations79
US5994385ANov 30, 1999
Personal care product including a derivatized polymer of maleic anhydride alkyl half-ester or full acid, maleamic acid and maleimide units
ISP INVESTMENTS INC8 citations71
US5959122ASep 28, 1999
Process for making derivatized polymers of maleic anhydride
ISP INVESTMENTS INC5 citations71
US6129931AOct 10, 2000
Controlled-release, drug-delivery tableted composition including a complex between poly(maleic diacid-alkyl vinyl ether) and polyvinylpyrrolidone
ISP INVESTMENTS INC2 citations58
US6252026B1Jun 26, 2001
High molecular weight, homogeneous, branched copolymers of maleic anhydride and alkyl vinyl ether monomers
ISP INVESTMENTS INC0 citations51
US6197908B1Mar 6, 2001
High molecular weight, homogeneous, branched copolymers of maleic anhydride and alkyl vinyl ether monomers
ISP INVESTMENTS INC0 citations51