The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1999
Filed:
Aug. 21, 1997
Applicant:
Inventors:
Torsten Jeschke, Wehrendorf, DE;
Arne Kriesmann, Bohmte, DE;
Ute Bruns, Lingen, DE;
Wolfgang Scholz, Lemfoerde, DE;
Michael-Christian Luderwald, Ulm, DE;
Hartmut Peuker, Bissendorf, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ;
U.S. Cl.
CPC ...
521 49 ; 521 495 ; 521 54 ; 521137 ;
Abstract
Polyurethanes are recycled by comminution to particle sizes of from 0.01 to 2 mm and addition to the polyaddition mixture for preparing polyurethanes from
Jeschke, Torsten. (1999). Recycling of microcellular polyurethanes (U.S. Patent No. 5891927). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5891927
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile