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.:

US 8741979 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 03, 2014

Filed:

Jul. 20, 2011
Applicants:

Christian Herzig, Waging, DE;

Christine Sivac, Kirchdorf, DE;

Inventors:

Christian Herzig, Waging, DE;

Christine Sivac, Kirchdorf, DE;

Assignee:

Wacker Chemie AG, Munich, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 7/18 (2006.01); G03F 7/029 (2006.01);
U.S. Cl.
CPC ...
Abstract

Readily emulsifyable silicone copolymers containing urethanesulfonamido linking groups are prepared by reacting a hydroxyl-functional organic polymer with a halo- or pseudohalo-sulfonyl isocyanate, and then reacting the halo- or pseudohalo-sulfonyl product with an organopolysiloxane bearing aminoalkyl groups, preferably in stoichiometric excess.


Find Patent Forward Citations

Herzig, Christian. (2014). Process for producing siloxane copolymers with urethane-sulphonamido linking groups (U.S. Patent No. 8741979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8741979

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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