Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596063 | Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of this type | Bernd Bruchmann, Claudia Spang, Roland Minges, Dietrich Scherzer, Michael Lugmayr +1 more | 1997-01-21 |
| 5534185 | Process for the preparation of fluorochlorohydrocarbon-free low density polyurethane soft foams and soft elastic polyurethane molding foams and polyisocyanate mixtures modified with urethane groups and diphenylmethane-diisocyanate base | Werner Hinz, Ruth Zschiesche, Bernd Bruchmann | 1996-07-09 |
| 5494941 | Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of the type | Bernd Bruchmann, Claudia Spang, Roland Minges, Dietrich Scherzer, Michael Lugmayr +1 more | 1996-02-27 |
| 5420170 | Preparation of flexible, soft polyurethane foams having viscoelastic, structure-borne soundproofing properties, and polyoxyalkylene-polyol mixtures which can be used for this purpose | Reinhard Leppkes, Peter Horn, Walter Decker, Volker Haase, Werner Hinz | 1995-05-30 |
| 5374667 | Process for the preparation of fluorochlorohydrocarbon-free, low-density polyurethan soft foams and soft elastic polyurethan molding foams and polyisocyanate mixtures modified with urethan groups on diphenylmethane-diisocyanate base | Werner Hinz, Ruth Zschiesche, Bernd Bruchmann | 1994-12-20 |
| 5106875 | Copolymers and their use as auxiliaries and/or additives in formulations for the preparation of polyisocyanate addition polymerization products | Peter Horn, Gerd Rehmer, Gerhard G. Ramlow | 1992-04-21 |
| 5059632 | Novel copolymers and their use as auxiliaries and/or additives in formulations for the preparation of polyisocyanate addition polymerization products | Peter Horn, Gerd Rehmer, Gerhard G. Ramlow, Werner Hinz, Hans U. Schmidt | 1991-10-22 |
| 5059633 | Preparation of flexible polyurethane foams having low compressive strength and block polyoxypropylenepolyoxyethylenepolyol mixtures which can be used for this purpose | Werner Hinz, Walter Decker, Reinhard Leppkes, Erhard Reich, Reinhard Peters +2 more | 1991-10-22 |