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:
Feb. 09, 1993
Filed:
Jun. 21, 1991
Applicant:
Inventors:
Cornelia Diessel, Wolthausen, DE;
Carsten Kliwer, Nienhagen, DE;
Gerhard Burak, Adelheidsdorf, DE;
Ehrenfried Blumel, Adelheidsdorf, DE;
Christoph Kittel, Nienhagen, DE;
Assignee:
Stankiewicz GmbH, , DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ;
U.S. Cl.
CPC ...
521 49 ; 521 455 ; 264115 ; 264126 ; 264D / ;
Abstract
The invention relates to a process for recycling thermosetting polyurethane soft foams in which they are comminuted in a mill, irrespective of their initial shape, density and structure, and are then pressed under the influence of pressure and elevated temperatures to high-strength sheets of various structures.