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:
Jul. 31, 2018
Filed:
Oct. 24, 2013
Perfluoropolyether-modified polysilazane, making method, surface treating agent, and treated article
Applicant:
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Inventors:
Yuji Yamane, Annaka, JP;
Noriyuki Koike, Annaka, JP;
Assignee:
SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/10 (2006.01); C07F 7/18 (2006.01);
U.S. Cl.
CPC ...
C07F 7/10 (2013.01); C07F 7/1836 (2013.01);
Abstract
A perfluoropolyether-modified polysilazane of silazane units of formula (1), where Q is a divalent organic group, p and q are an integer of at least 1, r and s are an integer of at least 0, and x is an integer of 1 to 3. A surface treating agent comprising the polysilazane is improved in water/oil repellency, surface slip and smear wipe-off.F(CFO)(CFCFO)(CFCFCFO)(CFCFCFCFO)—CF-Q-Si(NH)  (1)