Patents by Inventor Gong-Zhou CHEN

Gong-Zhou CHEN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PERFLUOROPOLYETHER COMPOUND CONTAINING CARBOXYL GROUP
    Publication number: 20210206917
    Abstract: The present invention relates to a carboxyl group containing perfluoropolyether compound of formula (I): Rf—X1—X2(I). In the formula Rf—X1—X2(I), Rf represents F—(CF2)m—(OC4F8)p—(OC3F6)q—(OC2F4)r—(OCF2)s—OC(Z)F—(CF2)n—, wherein p, q, r and s are each independently an integer of 0 or more and 200 or less, and the sum of p, q, r and s is at least 1; in the formula, the occurrence order and number of the respective repeating units in parentheses with the subscript p, q, r or s are arbitrary in the formula; m and n are each independently an integer of 0 or more and 30 or less, Z is F or CF3; X1 represents a divalent organic group; and X2 represents a COOH group.
    Type: Application
    Filed: May 7, 2019
    Publication date: July 8, 2021
    Applicant: Guangzhou ur Materials Technology Co., Ltd.
    Inventors: Yi-Jing CHEN, Qi-Guan WANG, Gong-Zhou CHEN