P

Inventor

KISSINGER GAYLORD M

US21 patents
⚠️ This page may combine multiple inventors who share the name “KISSINGER GAYLORD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEN ELECTRIC

20 patents
US5434316AJul 18, 1995

Purification of bisphenol-A

GEN ELECTRIC31 citations92
US5243093ASep 7, 1993

Process and composition

GEN ELECTRIC29 citations92
US4847433AJul 11, 1989

Process for preparing bisphenol-A

GEN ELECTRIC29 citations92
US5315042AMay 24, 1994

Use of partial acetone conversion for capacity increase and quality/yield improvement in the bisphenol-A reaction

GEN ELECTRIC49 citations89
US6486222B2Nov 26, 2002

Combination ion exchange resin bed for the synthesis of bisphenol A

GEN ELECTRIC19 citations87
US5382708AJan 17, 1995

Process for inhibiting dihydric phenol degradation and color formation and composition thereof

GEN ELECTRIC8 citations73
US5362900ANov 8, 1994

Process and composition

GEN ELECTRIC5 citations73
US5185475AFeb 9, 1993

Process for preparing paracumylphenol

GEN ELECTRIC16 citations73
US4902836AFeb 20, 1990

Process for inhibiting dihydric phenol degradation and color formation and composition thereof

GEN ELECTRIC10 citations73
US4876395AOct 24, 1989

Process for color stabilization of bisphenol-A

GEN ELECTRIC8 citations73
US4876391AOct 24, 1989

Process for preparation and purification of bisphenols

GEN ELECTRIC13 citations73
US4740634AApr 26, 1988

Process for crystallizing bisphenol-A

GEN ELECTRIC11 citations71
US4740635AApr 26, 1988

Process for crystallizing bisphenol-A

GEN ELECTRIC17 citations71
US4212997AJul 15, 1980

Process for recovering 2,2-bis(4-hydroxyphenyl)propane from an adduct of 2,2-bis(4-hydroxyphenyl)propane and phenol

GEN ELECTRIC9 citations71
US5969167AOct 19, 1999

Method for making tris(hydroxyphenyl) compounds using ion exchange resins

GEN ELECTRIC5 citations69
US6130359AOct 10, 2000

Liquid vacuum pump seal to reduce contamination in bisphenol-A

GEN ELECTRIC2 citations62
US5304689AApr 19, 1994

Stabilization of color in production of paracumylphenol using hypophosphorous acid

GEN ELECTRIC5 citations62
US5225518AJul 6, 1993

Polycarbonate preparation from molten bisphenol-A/water mixture

GEN ELECTRIC4 citations62
USH1943HFeb 6, 2001

Process for the manufacture of bisphenol-A

GEN ELECTRIC4 citations60
US4720596AJan 19, 1988

Process for removing phenols from water

GEN ELECTRIC1 citations50

GEN ELECTRIC COMPANY AND SULZE

1 patent