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Inventor

WALTERS MARLIN E

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

DOW CHEMICAL CO

17 patents
US6133190AOct 17, 2000

Supported mercaptosulfonic acid compounds useful as catalysts for phenolation reactions

DOW CHEMICAL CO30 citations92
US5939494AAug 17, 1999

Polymeric substrate containing mercapto and sulfonic groups

DOW CHEMICAL CO29 citations92
US5463140AOct 31, 1995

Process for making polyphenols from ketones or aldehydes and phenols

DOW CHEMICAL CO41 citations92
US5387725AFeb 7, 1995

Chlorination process, alkylation of products of said process and some products thereof

DOW CHEMICAL CO23 citations91
US6051658AApr 18, 2000

Polymeric substrate containing mercapto and sulfonic groups

DOW CHEMICAL CO8 citations73
US5382710AJan 17, 1995

Aromatic polyhydroxy compounds and process for the preparation thereof

DOW CHEMICAL CO6 citations73
US5545760AAug 13, 1996

Process for making fluorenones

DOW CHEMICAL CO8 citations68
US5288915AFeb 22, 1994

Process of making ketones

DOW CHEMICAL CO5 citations62
US5227560AJul 13, 1993

Chlorination and elimination process and some products thereof

DOW CHEMICAL CO2 citations62
US5136110AAug 4, 1992

Process for the preparation of bisphenols

DOW CHEMICAL CO5 citations62
US5064518ANov 12, 1991

Method for the selective alpha halogenation of alkylaromatic compounds

DOW CHEMICAL CO2 citations62
US4992151AFeb 12, 1991

Method for the selective alpha halogenation of alkylaromatic compounds

DOW CHEMICAL CO4 citations62
US4762909AAug 9, 1988

Method for making polyketones

DOW CHEMICAL CO4 citations62
US4724267AFeb 9, 1988

New haloacyl aromatic monomers via a coupling reaction

DOW CHEMICAL CO4 citations61
US5541282AJul 30, 1996

Aromatic polyhydroxy compounds and process for the preparation thereof

DOW CHEMICAL CO1 citations52
US5098990AMar 24, 1992

Method for making polyesters, polyamides and polyketones

DOW CHEMICAL CO1 citations52
US4731484AMar 15, 1988

Haloacetyl derivatives of aromatic compounds

DOW CHEMICAL CO1 citations52

DOW GLOBAL TECHNOLOGIES INC

4 patents