P

Inventor

HALPAAP REINHARD

DE83 patents
⚠️ This page may combine multiple inventors who share the name “HALPAAP REINHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

42 patents
US6767958B2Jul 27, 2004

Modified polyisocyanates

BAYER AG88 citations98
US6426414B1Jul 30, 2002

Polyether-modified polyisocyanate mixtures having improved dispersibility in water

BAYER AG129 citations98
US5252696AOct 12, 1993

Water-dispersible polyisocyanate mixtures, a process for their preparation and their use in two-component aqueous compositions

BAYER AG185 citations98
US5821326AOct 13, 1998

Process for preparing mono and polyaspartates

BAYER AG70 citations96
US5623045AApr 22, 1997

Process for the preparation of coatings

BAYER AG72 citations96
US5510444AApr 23, 1996

Powder coating compositions and their use for coating heat-resistant substrates

BAYER AG86 citations96
US5508337AApr 16, 1996

Powder coating compositions, a process for their preparation, and their use for the coating of heat resistant substrates

BAYER AG63 citations96
US6392001B1May 21, 2002

Process for the production of light-stable polyisocyanates containing allophanate groups

BAYER AG55 citations95
US6100326AAug 8, 2000

Use of special isocyanates for preparing aqueous polyurethane coatings

BAYER AG33 citations93
US6281322B1Aug 28, 2001

Coating compositions containing alkoxysilanes

BAYER AG42 citations92
US5847044ADec 8, 1998

Polyurethane powder coating compositions which have a low stoving temperature

BAYER AG46 citations92
US5717091AFeb 10, 1998

Polycyclic iminooxadiazinediones, their preparation and use

BAYER AG24 citations92
US5621064AApr 15, 1997

Uretdione powder coating cross-linking agents having a low melt viscosity

BAYER AG35 citations92
US5596066AJan 21, 1997

Dimeric diol-modified powder coating cross-linking agents containing uretdione groups

BAYER AG32 citations92
US5503714AApr 2, 1996

Chlorine-free multifunctional resins for paper finishing

BAYER AG30 citations92
US5473011ADec 5, 1995

Polyisocyanate mixtures, a process for their preparation and their use as cross-linking agents in coating compositions

BAYER AG22 citations92
US5237058AAug 17, 1993

Polyisocyanates containing uretdione and/or isocyanurate groups, a process for their production

BAYER AG23 citations92
US5143994ASep 1, 1992

Polyisocyanate mixture, a process for its preparation and its use in polyurethane coating compositions

BAYER AG29 citations91
US4772639ASep 20, 1988

Process for the production of molded polyurethane parts

BAYER AG36 citations91
US5750629AMay 12, 1998

Uretdione diisocyanates and a process for their production

BAYER AG17 citations84
US5798431AAug 25, 1998

Process for the production of polyisocyanates containing isocyanurate groups from aliphatic and aromatic isocyanate compounds

BAYER AG17 citations83
US4954577ASep 4, 1990

Lacquer binders, coating compositions and wire enamels based on polyamideimides and isocyanates carrying carbodiimide and/or uretone imine groups

BAYER AG20 citations81
US7098289B2Aug 29, 2006

Isocyanates containing uretdione groups

BAYER AG7 citations74
US6777523B1Aug 17, 2004

Highly functional polyisocyanate mixtures which are dispersible in water

BAYER AG11 citations74
US6590098B2Jul 8, 2003

Method of preparing aliphatic polyisocyanates with uretdione, isocyanurate and iminooxadiazindione structures

BAYER AG9 citations74
US6395925B1May 28, 2002

Process for purifying organic isocyanates, the organic isocyanates so purified and their use

BAYER AG10 citations74
US6043332AMar 28, 2000

Process for the production of light-colored uretdione polyisocyanates

BAYER AG14 citations74
US5739249AApr 14, 1998

Chlorine-free multifunctional resins for paper finishing

BAYER AG10 citations74
US5731396AMar 24, 1998

Water dispersible polyisocyanate mixtures

BAYER AG9 citations74
US5464921ANov 7, 1995

Polyisocyanate mixtures, a process for their production and their use for the production of polyurethanes

BAYER AG17 citations74
US5126479AJun 30, 1992

Process for the production of blocked polyisocyanates containing carbodiimide groups, the polyisocyanates obtainable by this process and their use for the production of plastics

BAYER AG10 citations74
US4900800AFeb 13, 1990

Powder lacquer and its use for coating heat-resistant substrates

BAYER AG17 citations74
US4851531AJul 25, 1989

Isocyanurate group-containing polyisocyanates

BAYER AG10 citations74
US4748242AMay 31, 1988

Tertiary polyisocyanate derivatives

BAYER AG13 citations74
US4481345ANov 6, 1984

Process for the production of combinations of organic polyisocyanates and at least partly blocked polyamines, the combinations obtainable by this process and their use for the production of lacquers, coating or sealing compositions

BAYER AG7 citations74
US6423777B1Jul 23, 2002

Powder coating cross-linking agents of high functionality which contain uretdione groups and free isocyanate groups

BAYER AG9 citations73
US6297343B1Oct 2, 2001

Powder coating crosslinking agents containing uretdione groups and free isocyanate

BAYER AG9 citations73
US5852101ADec 22, 1998

Powder coating compositions and their use for coating heat-resistant substrates

BAYER AG9 citations73
US5811190ASep 22, 1998

Matt polyurethane powder coatings and their use for coating heat resistant substrates

BAYER AG14 citations73
US5208291AMay 4, 1993

Powder coating compositions, a process for their production and their use for coating heat-resistant substrates

BAYER AG7 citations73
US4530990AJul 23, 1985

Process for the preparation of viscosity stable polyurethane solutions

BAYER AG14 citations72
US6222066B1Apr 24, 2001

Process for decreasing the chlorine content of organic isocyanates

BAYER AG6 citations70

BAYER MATERIALSCIENCE AG

5 patents

DU PONT

1 patent

GRESZTA-FRANZ DOROTA

1 patent

COVESTRO DEUTSCHLAND AG

1 patent

Showing the top 50 of 83 patents by PatentIndex Score.