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:
Sep. 10, 2014
Croda International Plc, Goole Yorkshire, GB;
Angela Leonarda Maria Smits, Zeist, NL;
Remco Benjamin Van Triet, Reeuwijk, NL;
Karin Van Der Helm-Rademaker, Gouda, NL;
Wilhelmus Adrianus Jacobus Honcoop, Bergambacht, NL;
CRODA INTERNATIONAL PLC, Yorkshire, GB;
Abstract
The present invention provides a co-polymer polyol which has an ABA block structure wherein each A block comprises a plurality of hydroxy-carboxylic acid residues and the B block comprises at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue, wherein the co-polymer polyol comprises at least two hydroxyl end groups. The invention also provides a method of making the co-polymer polyol and a polyurethane comprising the co-polymer polyol.