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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.:

US 9611352 B1

PDFFull Text
Date of Patent:
Apr. 04, 2017

Filed:

Sep. 15, 2015

Synthesis and molecular weight control of aliphatic polyester diols

Applicant:

Trent University, Peterborough, CA;

Inventors:

Suresh Narine, Peterborough, CA;

Shaojun Li, Peterborough, CA;

Jesmy Jose, Peterborough, CA;

Shegufta Shetranjiwalla, Peterborough, CA;

Laziz Bouzidi, Peterborough, CA;

Assignee:

Trent University, Peterborough, Ontario, CA;

Attorneys:

Bereskin & Parr LLP/S.E.N.C.R.L., s.r.l.

Michael Fenwick

Primary Examiner:

Terressa Boykin

Int. Cl.
CPC ...
C08G 63/02 (2006.01); C08G 63/16 (2006.01); C08G 63/78 (2006.01); C08G 63/90 (2006.01);
U.S. Cl.
CPC ...
C08G 63/16 (2013.01); C08G 63/78 (2013.01); C08G 63/90 (2013.01);
Abstract

The synthesis of certain polyester diols (PEDs) is disclosed. This application also discloses the purification and polymerization kinetics of lipid based PEDs. Molecular weight and distribution controls were achieved by initial and induced stoichiometric imbalance and optimization of the purification protocol. Thermal degradation and thermal transition behavior of the PEDs were also investigated by TGA and DSC.

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Narine, Suresh. (2017). Synthesis and molecular weight control of aliphatic polyester diols (U.S. Patent No. 9611352). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9611352

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