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:
Oct. 24, 2017
Filed:
Jul. 31, 2013
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Xinrui Yu, Midland, MI (US);
Yiyong He, Midland, MI (US);
John W. Hull, Jr., Midland, MI (US);
Paul Foley, Traverse City, MI (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 71/04 (2006.01); C08G 65/333 (2006.01);
U.S. Cl.
CPC ...
C08G 71/04 (2013.01); C08G 65/33303 (2013.01);
Abstract
A first process to produce polycarbamate comprising providing urea in liquid form; and adding the liquid urea to a polyol is provided. A second process for producing polycarbamate comprising adding solid urea to a polyol in liquid form to form a reaction mixture is provided. Also provided is a reaction product produced by the first process or second process.