Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |