Inventor
WEIDER RICHARD
DE27 patents
⚠️ This page may combine multiple inventors who share the name “WEIDER RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
25 patentsUS5750602AMay 12, 1998
Flameproofed polycarbonate/ABS blends resistant to stress cracking
BAYER AG42 citations92
US6417256B1Jul 9, 2002
Polycarbonate-ABS moulding materials
BAYER AG17 citations84
US5356965AOct 18, 1994
Flame-resistant polycarbonate molding compositions
BAYER AG12 citations74
US5274182ADec 28, 1993
Saturated, liquid isobutylene polymers terminally functionalized by special groups
BAYER AG8 citations74
US5693697ADec 2, 1997
Flame-resistant polycarbonate moulding-compositions
BAYER AG13 citations73
US5464893ANov 7, 1995
Radiation-resistant polycarbonates
BAYER AG12 citations73
US5326800AJul 5, 1994
Use of salts in combination with halogenated phthalimides for flameproof finishing of glass fibre-containing polycarbonate moulded members
BAYER AG8 citations73
US6239225B1May 29, 2001
Process for the manufacture of impact resistant modified polymers
BAYER AG14 citations72
US5274114ADec 28, 1993
Preparation and use of 3, (4)-substituted pyrrolidines as catalysts for the polyisocyanate polyaddition process
BAYER AG18 citations72
US5134217AJul 28, 1992
Use of n-(aminoalkyl) pyrrolidines as catalysts for the polyisocyanate polyaddition process
BAYER AG11 citations72
US5747586AMay 5, 1998
High-impact molding compounds based on polyisobutylene-containing polycarbonate
BAYER AG5 citations63
US5717027AFeb 10, 1998
Block copolycarbonates with polyisobutylene-α-haloketocarboxylic acid blocks
BAYER AG3 citations63
US5484857AJan 16, 1996
Single-stage process for the preparation of polyisobutylene carboxylic acids
BAYER AG3 citations63
US5137971AAug 11, 1992
Graft copolymers, their production and use
BAYER AG4 citations63
US6482897B1Nov 19, 2002
Process for producing ABS moulding compositions having a high rubber content
BAYER AG3 citations62
US6093789AJul 25, 2000
Process for the preparation of polymers with repeating succinyl units using catalysts
BAYER AG6 citations62
US5110895AMay 5, 1992
Polyester and polyester carbonate from terephthalic or isophthalic acid, phosgene and phenols with heat resistance and light stability
BAYER AG4 citations62
USRE38415EFeb 3, 2004
Use of N-(aminoalkyl) pyrrolidines as catalysts for the polyisocyanate polyaddition process
BAYER AG5 citations61
US5063252ANov 5, 1991
Process for the production of plastics by the polyisocyanate polyaddition process and catalysts suitable for this process
BAYER AG5 citations61
US5576390ANov 19, 1996
Polyisobutylenes having aspartic acid ester terminal groups
BAYER AG0 citations52
US5525674AJun 11, 1996
Polycarbonates with aliphatic ketocarboxyl end groups, mixed with known aromatic polycarbonates, their preparation and their use
BAYER AG1 citations52
US5164474ANov 17, 1992
Aromatic polyesters and polyester-carbonates having specific fluorine-containing bisphenol components, their preparation and their use
BAYER AG1 citations52
US7144981B2Dec 5, 2006
Process for separating volatile components from polymers
BAYER AG1 citations51
US5747589AMay 5, 1998
Process for the production of polycarbonate-polyisobutylene block cocondensates
BAYER AG0 citations42
US5183926AFeb 2, 1993
Process for the preparation of aromatic dicarboxylic acids and aromatic hydrocarbons
BAYER AG0 citations42