P

Inventor

RIVA ROSA MARIA

IT4 patents
⚠️ This page may combine multiple inventors who share the name “RIVA ROSA MARIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GREAT LAKES CHEMICAL EUROP

3 patents
US6407254B1Jun 18, 2002

2-(2′-hydroxyphenyl)benzotriazoles used as U.V. stabilizers

GREAT LAKES CHEMICAL EUROP7 citations68
US6268505B1Jul 31, 2001

2-(2′Hydroxyphenyl) benzotriazoles and process for their preparation

GREAT LAKES CHEMICAL EUROP0 citations47
US6121456ASep 19, 2000

2-(2'Hydroxyphenyl) benzotriazoles and process for their preparation

GREAT LAKES CHEMICAL EUROP1 citations47

GREAT LAKES CHEMICAL ITALIA

1 patent
US6452018B1Sep 17, 2002

2-(2′-hydroxyphenyl) benzotriazoles containing a 2,4-imidazolidinedione group and process for their preparation

GREAT LAKES CHEMICAL ITALIA2 citations54