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:
Aug. 16, 1977
Filed:
Aug. 26, 1975
Applicant:
Inventors:
Helmut Lammerting, Herbede, DT;
Rolf-Dieter Langenhagen, Hattingen-Niederwenigern, DT;
Gerd Rossmy, Haltern, DT;
Peter Zaske, Essen-Bredeney, DT;
Assignee:
Th. Goldschmidt AG, Essen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ;
Abstract
In the disclosed foaming process for manufacturing soft polyurethane foams on the basis of polyethers containing at least two hydroxy groups, the foaming is carried out in the presence of selected low-molecular weight, low-viscosity methylpolysiloxanes which do not cause disorders in the boundary regions of the foam or shrinkage.
Lammerting, Helmut. (1977). Process for the manufacture of highly elastic soft polyurethane foams (U.S. Patent No. 4042540). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4042540
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile