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:
Jun. 26, 2018
Filed:
Aug. 15, 2014
Dow Global Technologies Llc, Midland, MI (US);
Xinrui Yu, Midland, MI (US);
Yiyong He, Midland, MI (US);
John W. Hull, Jr., Midland, MI (US);
Daryoosh Beigzadeh, Midland, MI (US);
Duane Romer, Midland, MI (US);
Thomas Clark, Midland, MI (US);
Peter Margl, Midland, MI (US);
Congcong Lu, Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
A process to prepare polycarbamate comprising adding urea to a polyol in the presence of at least one catalyst selected from the group consisting of compounds having the following formula MZ; wherein M is a trivalent metal, and Z is an anionic functionality or a functionality capable of forming a covalent bond with M and wherein n times a valence number of Z equals X and m times three equals Y wherein the absolute value of X equals the absolute value of Y is provided. Also provided are a polycarbamate produced according to the process and a coating composition comprising the polycarbamate.