P

Inventor

RICHTER ROLAND

DE29 patents
⚠️ This page may combine multiple inventors who share the name “RICHTER ROLAND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

19 patents
US4487928ADec 11, 1984

Process for the preparation of polyisocyanates containing isocyanurate groups, and the use of the products of the process as isocyanate component in the production of polyurethanes

BAYER AG62 citations96
US4940047AJul 10, 1990

Textile sheet-like structure with reactive resin

BAYER AG56 citations92
US4824595AApr 25, 1989

Polyisocyanate compositions containing reversibly blocked catalysts and addition products of sulfonyl isocyanates with catalysts having a tin(II)- or tin(IV)-carboxylate structure

BAYER AG31 citations92
US4614785ASep 30, 1986

Process for the production of oligomeric polyisocyanates and their use in the production of polyurethane plastics

BAYER AG44 citations92
US4518761AMay 21, 1985

Process for the preparation of mixed trimers from organic isocyanates, the mixed trimers obtained according to the process and the use thereof for the production of polyurethanes

BAYER AG34 citations91
US5090405AFeb 25, 1992

Water-hardening polymer preparations

BAYER AG20 citations82
US4456709AJun 26, 1984

Polyisocyanate mixtures, process for their production and their use in the production of polyurethane plastics

BAYER AG20 citations82
US5047293ASep 10, 1991

Fixed dressings with greatly reduced foaming

BAYER AG7 citations74
US4851531AJul 25, 1989

Isocyanurate group-containing polyisocyanates

BAYER AG10 citations74
US4810536AMar 7, 1989

Method of impregnating

BAYER AG7 citations74
US4638795AJan 27, 1987

Material for support dressings

BAYER AG14 citations74
US5045226ASep 3, 1991

Polyisocyanate preparations containing latent tin catalysts and a process for their preparation

BAYER AG13 citations72
US5270350ADec 14, 1993

Crosslinked shaped dental articles

BAYER AG13 citations70
US4826948AMay 2, 1989

Impregnating agent and its use

BAYER AG3 citations63
US4645817AFeb 24, 1987

Preparation of hydroxyl group-containing alkoxylation products of organic carboxylic acids

BAYER AG6 citations63
US4560738ADec 24, 1985

Pest-combating agent having increased duration of action

BAYER AG3 citations63
US4400560AAug 23, 1983

Process for the preparation of a mixture of low-molecular weight polyhoric alcohols

BAYER AG2 citations60
US4748974AJun 7, 1988

Laminated dressing

BAYER AG5 citations59
US4581434AApr 8, 1986

Process for increasing the duration of action of agents for combating pests

BAYER AG1 citations52

CYPRESS SEMICONDUCTOR CORP

6 patents

KONINKL PHILIPS ELECTRONICS NV

2 patents

INFINEON TECHNOLOGIES AG

1 patent

TRIDENT MICROSYSTEMS FAR EAST

1 patent