P

Inventor

ENGELHARDT FRITZ

DE35 patents
⚠️ This page may combine multiple inventors who share the name “ENGELHARDT FRITZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CASSELLA FARBWERKE MAINKUR AG

14 patents
US5530093AJun 25, 1996

Polycondensates containing phosphinic and phosphonic acid groups

CASSELLA FARBWERKE MAINKUR AG27 citations92
US5668236ASep 16, 1997

Hydrophilic highly swellable hydrogels

CASSELLA FARBWERKE MAINKUR AG37 citations91
US4576973AMar 18, 1986

Copolymer, process for its preparation and its use as a sorbent

CASSELLA FARBWERKE MAINKUR AG26 citations91
US5276248AJan 4, 1994

Process for the storage and transportation of liquid hydrocarbons

CASSELLA FARBWERKE MAINKUR AG21 citations89
US4588413AMay 13, 1986

Process for producing dyeings with reactive dyestuffs

CASSELLA FARBWERKE MAINKUR AG23 citations80
US4552905ANov 12, 1985

Copolymer, a process for its preparation and its use as a sorbent

CASSELLA FARBWERKE MAINKUR AG18 citations74
US5594083AJan 14, 1997

Water-swellable hydrophilic polymers

CASSELLA FARBWERKE MAINKUR AG5 citations73
US4877540AOct 31, 1989

Methylolated and optionally etherified urethanes containing fluoroalkyl ligands

CASSELLA FARBWERKE MAINKUR AG18 citations73
US4753999AJun 28, 1988

Copolymer, process for its preparation, and its use

CASSELLA FARBWERKE MAINKUR AG12 citations73
US4168145ASep 18, 1979

Branched low molecular weight polyesters levelling agents for dyestuff

CASSELLA FARBWERKE MAINKUR AG12 citations73
US5502231AMar 26, 1996

Process for the preparation of cyclic vinylphosphonic esters

CASSELLA FARBWERKE MAINKUR AG5 citations63
US5276247AJan 4, 1994

Process for obtaining the hydrocarbon from a hydrocarbon-rich gel

CASSELLA FARBWERKE MAINKUR AG3 citations61
US5571764ANov 5, 1996

Absorbent for water and aqueous solutions

CASSELLA FARBWERKE MAINKUR AG4 citations60
US4828570AMay 9, 1989

Tanning agent and a process for its preparation

CASSELLA FARBWERKE MAINKUR AG3 citations58

BASF AG

7 patents

HOECHST AG

7 patents

BASF CORP

2 patents

CASSELLA AG

2 patents

CLARIANT GMBH

1 patent

HOECHST FRANCE

1 patent

CASSELLA

1 patent