Inventor
VOLKERT OTTO
DE24 patents
⚠️ This page may combine multiple inventors who share the name “VOLKERT OTTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
21 patentsUS4972002ANov 20, 1990
Process for producing cellular plastics by the polyisocyanate polyaddition method by means of stable emulsions containing blowing agents, and such emulsions
BASF AG143 citations98
US4013806AMar 22, 1977
Manufacture of thin layers of polyurethane elastomers
BASF AG59 citations96
US5278195AJan 11, 1994
Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose
BASF AG38 citations94
US4508774AApr 2, 1985
Cellular, molded polyurethane parts, process for their preparation by thermoforming of polyester-urethane foam and their use
BASF AG83 citations94
US6046247AApr 4, 2000
Production of rigid polyurethane foams having a low thermal conductivity
BASF AG28 citations92
US5290823AMar 1, 1994
Production of rigid polyurethane foams, and a blowing agent mixture for this purpose
BASF AG34 citations92
US5055516AOct 8, 1991
Preparation of emulsifier-free aqueous polyurethane dispersions
BASF AG24 citations92
US4258140AMar 24, 1981
Storage-stable prepolymers sprayable from a pressure vessel
BASF AG32 citations92
US6331577B1Dec 18, 2001
Process for producing elastic polyurethane moldings with compact surfaces and cellular cores
BASF AG35 citations90
US5205956AApr 27, 1993
Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose
BASF AG35 citations90
US3948665AApr 6, 1976
Laminates for the manufacture of flexographic printing plates comprising photocrosslinkable reaction product of saturated polyester glycol, diisocyanate, and diol
BASF AG31 citations81
US5300534AApr 5, 1994
Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose
BASF AG14 citations80
US5189068AFeb 23, 1993
Preparation of integral skin cellular plastics by the polyaddition process in the presence of tertiary alcohols
BASF AG20 citations78
US5710185AJan 20, 1998
Production of molding containing ester and urethane groups, isocyanate semiprepolymers containing ester groups for this purpose and their use
BASF AG12 citations74
US5585409ADec 17, 1996
Production of moldings containing ester and urethane groups, isocyanate semiprepolymers containing ester groups for this purpose and their use
BASF AG10 citations74
US5126379AJun 30, 1992
Esters containing bonded fluorocarbon and oxypropylenealkylether groups, emulsions containing these esters and their use for the preparation of cellular plastics by polyisocyanate polyaddition
BASF AG14 citations74
US4007209AFeb 8, 1977
Acetals which act as photoinitiators
BASF AG11 citations73
US3998712ADec 21, 1976
Monoketal of diketones as sensitizer for u.v. polymerizable systems
BASF AG17 citations73
US5187206AFeb 16, 1993
Production of cellular plastics by the polyisocyanate polyaddition process, and low-boiling, fluorinated or perfluorinated, tertiary alkylamines as blowing agent-containing emulsions for this purpose
BASF AG17 citations72
US4341686AJul 27, 1982
Adhesive products and a process for their use in polyurethanes
BASF AG6 citations71
US4256841AMar 17, 1981
Manufacture of light-stable polyurethane integral foams
BASF AG17 citations69