OV

Otto Volkert

Basf Se: 17 patents #864 of 13,826Top 7%
Overall (All Time): #260,404 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6331577 Process for producing elastic polyurethane moldings with compact surfaces and cellular cores Klaus Pittrich 2001-12-18
6046247 Production of rigid polyurethane foams having a low thermal conductivity Guiscard Glück, Klaus Hahn, Udo Rotermund 2000-04-04
5710185 Production of molding containing ester and urethane groups, isocyanate semiprepolymers containing ester groups for this purpose and their use Peter Brandt, Harald Fuchs 1998-01-20
5585409 Production of moldings containing ester and urethane groups, isocyanate semiprepolymers containing ester groups for this purpose and their use Peter Brandt, Harald Fuchs 1996-12-17
5300534 Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose Corinne Meynard 1994-04-05
5290823 Production of rigid polyurethane foams, and a blowing agent mixture for this purpose 1994-03-01
5278195 Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose Corinne Meynard 1994-01-11
5205956 Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose Corinne Meynard 1993-04-27
5189068 Preparation of integral skin cellular plastics by the polyaddition process in the presence of tertiary alcohols Ralf Boehme 1993-02-23
5187206 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 Walter Maurer 1993-02-16
5126379 Esters containing bonded fluorocarbon and oxypropylenealkylether groups, emulsions containing these esters and their use for the preparation of cellular plastics by polyisocyanate polyaddition Werner Hinz 1992-06-30
5096933 Process for the preparation of polyurethane rigid foams having a low thermal conductivity and their use 1992-03-17
5055516 Preparation of emulsifier-free aqueous polyurethane dispersions Herbert Fisch, Lothar Maempel 1991-10-08
4972002 Process for producing cellular plastics by the polyisocyanate polyaddition method by means of stable emulsions containing blowing agents, and such emulsions 1990-11-20
4508774 Cellular, molded polyurethane parts, process for their preparation by thermoforming of polyester-urethane foam and their use Herbert Grabhoefer 1985-04-02
4341686 Adhesive products and a process for their use in polyurethanes Sarbananda Chakrabarti, John C. Hutchison 1982-07-27
4258140 Storage-stable prepolymers sprayable from a pressure vessel Heinrich Horacek, Robert Gehm, Sarbananda Chakrabarti, Mathias Pauls, Peter Weyland 1981-03-24
4256841 Manufacture of light-stable polyurethane integral foams Heinrich Horacek, Ernst Schoen, Erhardt Reich 1981-03-17