| Patent Number |
Title Of Patent |
Date Issued |
| 6586553 |
Polyurethane molding mass that can be processed thermoplastically |
July 1, 2003 |
| A polyurethane molding mass that can be processed thermoplastically, that is free of by-products capable of migration, and demonstrates a high level of light-fastness. A polyurethane molding mass that can be processed thermoplastically, that is free of cyclic oligourethanes capable of |
| 6573341 |
Molded polyurethane body |
June 3, 2003 |
| A molded polyurethane body is obtainable by reacting: a) one or more aliphatic polyols having a molecular weight of 450 to 6000 g/mol and a hydroxyl value of 10 to 235; b) with aliphatic and/or cycloaliphatic diisocyanates in an equivalent ratio of diisocyanate to polyol of 1.2:1.0 to |
| 5972427 |
Adsorbent, supple, filter fabric and method for its manufacture |
October 26, 1999 |
| An adsorbent, supple, filter fabric composed of an air-permeable, supple, textile, carrier material having adsorbent particles fixed on it by means of a thermoplastic binding agent. The adsorbent particles are coated on their surface with binding-agent particles which are set apart from |
| 5665148 |
Adsorption air filter and method for its production |
September 9, 1997 |
| An adsorption air filter has a self-supporting shaped structure of adsorber particles of regular or irregular form, which are joined to one another by binder particles also of regular or irregular form. The melting range of the binder particles is less than that of the adsorber particles |
| 5541277 |
Thermoplastic polyurethane molding compound for manufacturing grained, sintered, plastic sheet |
July 30, 1996 |
| A thermoplastic sinterable powder for manufacturing grained, sintered plastic sheet is described, which is comprised 100 party by weight of an exclusively linear, aliphatic polyol mixture composed of 60 to 80 parts by weight of polycarbonate diol, having an MW of 2000 and a hydroxyl valu |
| 5496909 |
Polyurethane molding compound and biodegradable filaments manufactured from such molding compoun |
March 5, 1996 |
| A thermoplastic polyurethane molding compound, which is capable of being spun from the melt into filaments, is able to be enzymatically degraded within a few weeks. The compound contains exclusively linear components, and can be prepared from 100 parts by weight of a polyol combination f |
| 5140089 |
Method for preparing a latently reactive, pastly molding compound made from dimerized trimethylo |
August 18, 1992 |
| A pasty molding compound, which is reactive only above room temperature and is intended for manufacturing temperature-resistant, elasticized duromer molded components, consists of a dimerized trimethylol propane (melting point 109.degree. C., molecular weight 250, OH number 900) and of 1 |
| 5079329 |
Method of making a latently reactive, pasty molding material |
January 7, 1992 |
| This invention is directed to a latently reactive pasty molding material (masterbatch), which only becomes reactive above ambient temperature (about 25.degree. C.), for producing temperature-resistant, elasticized, molded, duromer components which is comprised of a mixture of a methy |
| 4321173 |
Method for the preparation of finely dispersed polyurethane ureas |
March 23, 1982 |
| The invention disclosed herein relates to a method for the preparation of finely dispersed polyurethane ureas. The method comprises the steps of first preparing a chain extended polyurethane from at least one diisocyanate, at least one polydiol, and diol chain extenders. The chain-ex |
| 4273911 |
Method for the manufacture of low-melting polyurethanes having improved strength properties usin |
June 16, 1981 |
| The invention described herein relates to a method for preparing a low-melting polyurethane which comprises the reaction of at least one diisocyanate, at least one polyol having a molecular weight between 500 and 5000, at least one diol which is branched or includes an ether group, a |
| 4111913 |
Polyurethane elastic molding material |
September 5, 1978 |
| Elastic, temporarily adhesive polyurethanes are produced by reaction of a polyol having a molecular weight in excess of about 500, a diisocyanate and a chain lengthener, the diisocyanate being present in about 0.4 to 1.4 times the weight of the polyol and in about 3.5 to 12.5 times the m |
