P

Inventor

RIEGEL ULRICH

DE65 patents
⚠️ This page may combine multiple inventors who share the name “RIEGEL ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BASF AG

22 patents
US6657015B1Dec 2, 2003

Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines

BASF AG205 citations99
US6559239B1May 6, 2003

Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones

BASF AG223 citations99
US6503979B1Jan 7, 2003

Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones

BASF AG173 citations99
US6472478B1Oct 29, 2002

Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones

BASF AG230 citations99
US6414214B1Jul 2, 2002

Mechanically stable hydrogel-forming polymers

BASF AG248 citations99
US7772420B2Aug 10, 2010

(Meth)acrylic esters of monoalkoxylated polyols, and production thereof

BASF AG112 citations98
US7687596B2Mar 30, 2010

(Meth)acrylic acid esters of alkyoxylated unsaturated polyol ethers, and production thereof

BASF AG110 citations98
US7652111B2Jan 26, 2010

(Meth)acrylic acid esters of unsaturated aminoalcohols and preparation thereof

BASF AG106 citations98
US7199211B2Apr 3, 2007

(Meth)acrylic esters of polyalkoxylated trimethylolpropane

BASF AG140 citations98
US7183360B2Feb 27, 2007

Method for crosslinking hydrogels with morpholine-2,3-diones

BASF AG188 citations98
US7754822B2Jul 13, 2010

Method for the secondary crosslinking of hydrogels with bicyclic amide acetals

BASF AG98 citations96
US6849665B2Feb 1, 2005

Absorbent compositions

BASF AG99 citations96
US7553903B2Jun 30, 2009

Swellable hydrogel-forming polymers having a low fraction of fines

BASF AG43 citations93
US7420013B2Sep 2, 2008

Mixtures of compounds comprising at least two double bonds and use thereof

BASF AG33 citations93
US6831122B2Dec 14, 2004

Water-absorbing agent, method for the production and the utilization thereof

BASF AG26 citations93
US7259212B2Aug 21, 2007

(Meth)acrylic esters of polyalkoxylated trimethylolpropane

BASF AG42 citations92
US7405321B2Jul 29, 2008

(Meth)acrylic ester of alkenylene glycols and the use thereof

BASF AG31 citations91
US8003728B2Aug 23, 2011

Swellable hydrogel-forming polymers having high permeability

BASF AG7 citations84
US7981969B2Jul 19, 2011

Postcrosslinking of water-absorbing polymers

BASF AG6 citations74
US7714061B2May 11, 2010

Postcrosslinking of water absorbing polymeric particles

BASF AG6 citations74
US7629428B2Dec 8, 2009

Method for producing polymers

BASF AG7 citations74
US7947771B2May 24, 2011

Insoluble metal sulfates in water absorbing polymeric particles

BASF AG2 citations63

CASSELLA FARBWERKE MAINKUR AG

13 patents
US5331059AJul 19, 1994

Hydrophilic, highly swellable hydrogels

CASSELLA FARBWERKE MAINKUR AG203 citations98
US4309523AJan 5, 1982

Water-soluble copolymer of acrylamidomethylpropanesulfonic acids salts

CASSELLA FARBWERKE MAINKUR AG83 citations96
US5489647AFeb 6, 1996

Hydrophilic, swellable graft polymers

CASSELLA FARBWERKE MAINKUR AG24 citations92
US4357245ANov 2, 1982

Water-soluble copolymer and its preparation

CASSELLA FARBWERKE MAINKUR AG30 citations92
US5668236ASep 16, 1997

Hydrophilic highly swellable hydrogels

CASSELLA FARBWERKE MAINKUR AG37 citations91
US4500437AFeb 19, 1985

Water soluble copolymers for use in fracture-acidizing of wells

CASSELLA FARBWERKE MAINKUR AG48 citations89
US5278206AJan 11, 1994

Binder for liquids

CASSELLA FARBWERKE MAINKUR AG21 citations88
US5066745ANov 19, 1991

Alkenylphosphonic and --phosphinic acid esters, process for their preparation, hydrogels produced using them, and their use

CASSELLA FARBWERKE MAINKUR AG18 citations82
US4959441ASep 25, 1990

Alkenylphosphonic and -phosphinic acid esters, process for their preparation, hydrogels produced using them, and their use

CASSELLA FARBWERKE MAINKUR AG12 citations74
US5594083AJan 14, 1997

Water-swellable hydrophilic polymers

CASSELLA FARBWERKE MAINKUR AG5 citations73
US5681878AOct 28, 1997

Low-dusting pulverulent hydrophilic polymers

CASSELLA FARBWERKE MAINKUR AG16 citations71
US4551513ANov 5, 1985

Water soluble copolymers

CASSELLA FARBWERKE MAINKUR AG12 citations70
US5502231AMar 26, 1996

Process for the preparation of cyclic vinylphosphonic esters

CASSELLA FARBWERKE MAINKUR AG5 citations63

HOECHST AG

4 patents

CASSELLA AG

3 patents

SCHMIDT MATTIAS

2 patents

(unassigned)

1 patent

HOECHST FRANCE

1 patent

BASF CORP

1 patent

MEYER AXEL

1 patent

CASSELLA

1 patent

DANIEL THOMAS

1 patent

Showing the top 50 of 65 patents by PatentIndex Score.