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:
Feb. 05, 2019
Filed:
Sep. 18, 2014
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Gary E. Spilman, Midland, MI (US);
Congcong Lu, Midland, MI (US);
Daryoosh Beigzadeh, Jr., Midland, MI (US);
Yiyong He, Midland, MI (US);
Paul J. Popa, Auburn, MI (US);
John N. Argyropoulos, Midland, MI (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/62 (2006.01); C08G 71/04 (2006.01); C09D 175/06 (2006.01); C08F 8/30 (2006.01);
U.S. Cl.
CPC ...
C08G 71/04 (2013.01); C08G 18/6229 (2013.01); C08G 18/6254 (2013.01); C09D 175/06 (2013.01);
Abstract
A method for producing polycarbamate comprising: contacting at least one carbamylating agent with a polyol in the presence of a carbamylation catalyst to form a reaction mixture having an acid value from 3 to 50 mg KOH/g dry polyol is provided. Further provided are a polycarbamate produced by the method and a coating comprising the polycarbamate.