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. 02, 1983
Filed:
Dec. 22, 1980
Applicant:
Inventors:
Hans U Hempel, Overath, DE;
Edmund Schmadel, Leichlingen, DE;
Herbert Reuter, Hilden, DE;
Gunther Vogt, Tonisvorst, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C08G / ; C08L / ;
U.S. Cl.
CPC ...
25217415 ; 252321 ; 252358 ; 525477 ;
Abstract
This invention is directed to a method of preparing block copolymers useful as foam inhibitors, which method comprises the steps of:
Hempel, Hans. (1983). Preparation of polysiloxane block polymers and their use as foam (U.S. Patent No. 4396524). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4396524
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile