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:
Apr. 05, 2016
Filed:
Dec. 22, 2011
Applicants:
Jiguang Zhang, Shanghai, CN;
Shouxue Guo, Shanghai, CN;
Yujiang Wang, Shanghai, CN;
Shaoguang Feng, Shanghai, CN;
Siyuan Jiang, Shanghai, CN;
Caifeng Wang, Shanghai, CN;
Inventors:
Jiguang Zhang, Shanghai, CN;
Shouxue Guo, Shanghai, CN;
Yujiang Wang, Shanghai, CN;
Shaoguang Feng, Shanghai, CN;
Siyuan Jiang, Shanghai, CN;
Caifeng Wang, Shanghai, CN;
Assignees:
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 33/12 (2006.01); C09D 133/14 (2006.01); C08F 283/00 (2006.01); C09D 133/12 (2006.01); C08G 18/48 (2006.01); C08G 18/66 (2006.01); C08F 290/06 (2006.01); C08G 18/08 (2006.01); C08G 18/10 (2006.01); C08G 18/12 (2006.01); C08G 18/32 (2006.01); C08G 18/38 (2006.01); C08G 18/42 (2006.01);
U.S. Cl.
CPC ...
C09D 133/14 (2013.01); C08F 283/006 (2013.01); C08F 290/067 (2013.01); C08G 18/0823 (2013.01); C08G 18/10 (2013.01); C08G 18/12 (2013.01); C08G 18/3206 (2013.01); C08G 18/384 (2013.01); C08G 18/4238 (2013.01); C08G 18/4825 (2013.01); C08G 18/6674 (2013.01); C08G 18/6692 (2013.01); C08L 33/12 (2013.01); C09D 133/12 (2013.01);
Abstract
The present invention provides a new process of preparation for PUA with superior mechanical performance, such as elongation, and tensile strength. The process is solvent free, smooth, and robust. PU prepolymer prepared according to the present invention has low viscosity, and contains no particulate DMPA.