Inventor

DUERSCH WALTER

14 patents

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

HOECHST AG

11 patents

US4749758AJun 7, 1988

Process for the preparation of copolymers of vinylphosphonic acid and (meth) acrylic acid in aqueous solution

HOECHST AG34 citations92

US4696987ASep 29, 1987

Process for the preparation of polymers of vinylphosphonic acid in protic solvents

HOECHST AG15 citations74

US4493803AJan 15, 1985

Process for the preparation of vinylphosphonic acid diesters and vinylphosphonic acid

HOECHST AG8 citations73

US4388252AJun 14, 1983

Process for the pretreatment of cellulose fibers to be printed according to the thermotransfer printing method

HOECHST AG7 citations72

US4244893AJan 13, 1981

Polyphosphorus compounds obtained by reacting an alcohol, phosphorus anhydride and an oxalkylating agent

HOECHST AG9 citations72

US4548762AOct 22, 1985

Process for the preparation of vinylphosphonic acid dichloride and 2-chloroethanephosphonic acid dichloride

HOECHST AG3 citations62

US4426336AJan 17, 1984

Process for the preparation of vinylphosphonic acid derivatives and the use thereof

HOECHST AG3 citations62

US4709086ANov 24, 1987

Process for the preparation of 4-benzyl aspartate

HOECHST AG1 citations49

CASSELLA FARBWERKE MAINKUR AG

3 patents

US4585845AApr 29, 1986

Phosphonic acid cross-linked hydrophilic copolymers

CASSELLA FARBWERKE MAINKUR AG25 citations82

US4743666AMay 10, 1988

Water-soluble copolymers with pendant phosphonic, sulphonic and amide groups

CASSELLA FARBWERKE MAINKUR AG17 citations73

US4314052AFeb 2, 1982

Polyester which is soluble or dispersible in water, a process for its preparation and its use as a levelling auxiliary, levelling auxiliaries and processes for uniform dyeing

CASSELLA FARBWERKE MAINKUR AG11 citations73