P

Inventor

UPMACIS RITA K

US6 patents
⚠️ This page may combine multiple inventors who share the name “UPMACIS RITA K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROHM & HAAS

5 patents
US5523480AJun 4, 1996

Process for purifying unsaturated carboxylic acids using distillation and melt crystallization

ROHM & HAAS11 citations71
US5488141AJan 30, 1996

Removal of carbonyl impurities from αβ unsaturated carboxylic acid esters

ROHM & HAAS12 citations71
US5292920AMar 8, 1994

Salts of N-nitrosophenylhydroxylamine

ROHM & HAAS5 citations71
US5571386ANov 5, 1996

Process for grade acrylic acid

ROHM & HAAS16 citations68
US5262569ANov 16, 1993

Salts of N-nitrosophenylhydroxylamine

ROHM & HAAS3 citations60

(unassigned)

1 patent
US5468899ANov 21, 1995

Process for purifying α,β-unsaturated esters

7 citations70