P

Inventor

DIETRICH MANFRED

DE49 patents
⚠️ This page may combine multiple inventors who share the name “DIETRICH MANFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

36 patents
US4089835AMay 16, 1978

Stable polyurethane dispersions and process for production thereof

BAYER AG147 citations97
US5814699ASep 29, 1998

Continuous process for the preparation of highly stable, finely divided, low viscosity polymer polyols of small average particle size

BAYER AG103 citations96
US6486361B1Nov 26, 2002

Method for preparing polyether polyols

BAYER AG55 citations95
US5594066AJan 14, 1997

Low-viscosity, stable, agglomerate-free polymer polyols, a process for their preparation and their use in producing polyurethane plastics

BAYER AG57 citations95
US4129696ADec 12, 1978

Process for the production of inorganic-organic plastic composites

BAYER AG55 citations93
US6858655B1Feb 22, 2005

High-resilient polyurethane foams produced from polyether polyols

BAYER AG29 citations92
US6586490B1Jul 1, 2003

Polyol mixture for the preparation of rigid polyurethane foams

BAYER AG23 citations92
US6107359AAug 22, 2000

Polyether polyols, polyol formulation containing them and their use in the production of hard polyurethane foams

BAYER AG22 citations92
US5886062AMar 23, 1999

Process for the production of rigid polyurethane foams

BAYER AG38 citations92
US5854358ADec 29, 1998

Polymerizing monomers in presence of polyol and castor oil-polyol product

BAYER AG32 citations92
US5840781ANov 24, 1998

Polyether polyols, polyol formulation containing them and their use in the production of hard polyurethane foams

BAYER AG24 citations92
US5594087AJan 14, 1997

Polyurethane thickeners and their use for thickening aqueous systems

BAYER AG30 citations92
US5276125AJan 4, 1994

Heat-curable coating compositions

BAYER AG53 citations92
US4323696AApr 6, 1982

(Meth)acrylic acid esters of tricyclic decanediols containing ether groups

BAYER AG32 citations92
US4118376AOct 3, 1978

Hydrocurable oxazolidine isocyanate prepolymer compositions

BAYER AG31 citations92
US6472447B1Oct 29, 2002

Stabilized, finely disperse low-viscosity polymer polyols with a high content of polystyrene or polystyrene copolymers

BAYER AG42 citations91
US5612408AMar 18, 1997

Polyurethane-based thickeners for aqueous compositions

BAYER AG20 citations91
US5554662ASep 10, 1996

Low viscosity polymer polyols a process for their production as well as the manufacture of polyurethane from materials

BAYER AG41 citations91
US5141968AAug 25, 1992

Polyether polyols based on aromatic diamines and polyamines, a process for their preparation, and their use for polyurethane and polyisocyanurate plastics

BAYER AG23 citations90
US5030758AJul 9, 1991

Polyether polyols based on o-tolylenediamine, a process for their production, and their use for polyurethane and polyisocyanurate plastics

BAYER AG28 citations90
US6949596B2Sep 27, 2005

Non-inflammable, anti-electrostatic polycarbonate molding materials

BAYER AG16 citations84
US4436841AMar 13, 1984

Single-phase, storage-stable polyol compositions containing salts and the use thereof in the production of polyurethanes

BAYER AG25 citations81
US6617419B1Sep 9, 2003

Long-chain polyether polyols with a high proportion of primary oh groups

BAYER AG11 citations74
US4761434AAug 2, 1988

Stable dispersions of polyureas and/or polyhydrazodi-carbonamides in relatively high molecular weight, hydroxyl group-containing compounds process for the production thereof and use thereof for the production of polyurethanes

BAYER AG11 citations74
US4668734AMay 26, 1987

Stable dispersions of polyureas and/or polyhydrazo-dicarbonamides in relatively high molecular weight hydroxyl-group containing materials, a process for the production thereof and the use thereof for the production of polyurethane plastics

BAYER AG12 citations74
US4621104ANov 4, 1986

Process for the production of liquid bromine-containing alkoxylation products

BAYER AG7 citations74
US4757097AJul 12, 1988

Process for the production of oligoesters containing hydroxy groups and their use

BAYER AG11 citations73
US4163830AAug 7, 1979

Process for the production of new polysiloxane-polyoxyalkylene copolymers with reduced burning properties

BAYER AG14 citations73
US4096162AJun 20, 1978

Process for the production of new polysiloxane-polyoxyalkylene copolymers with reduced burning properties

BAYER AG14 citations73
US4904125AFeb 27, 1990

Process for strengthening geological formations

BAYER AG12 citations72
US4782099ANov 1, 1988

Process for the production of elastic, open-celled flexible polyurethane foams having increased compression hardness

BAYER AG13 citations72
US6350920B1Feb 26, 2002

Method for preparing polyether polyols

BAYER AG5 citations63
US4803246AFeb 7, 1989

Process for the preparation of polymers containing hydroxyl groups and their use for the production of polyurethanes

BAYER AG3 citations63
US5075345ADec 24, 1991

Process for the preparation of polyurethane (urea) masses which contain foam

BAYER AG5 citations62
US5103521AApr 14, 1992

Leather treatment agent and its use

BAYER AG3 citations57
US4146066AMar 27, 1979

Method of introducing reaction mixtures for single-component foams into pressure containers

BAYER AG3 citations55

BBC BROWN BOVERI & CIE

5 patents

BOSCH GMBH ROBERT

3 patents

KERNFORSCHUNGSZ KARLSRUHE

1 patent

CALVA ELIAS

1 patent

BAYER MATERIALSCIENCE AG

1 patent

DIETRICH MANFRED

1 patent

WEISS RUEDIGER

1 patent