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:
May. 19, 2015
Filed:
Nov. 21, 2012
Applicants:
Jin Yang, Pleasanton, CA (US);
Kulandaivelu Sivanandan, Fremont, CA (US);
Jonathan Pistorino, Oakland, CA (US);
Hany Basam Eitouni, Oakland, CA (US);
Inventors:
Jin Yang, Pleasanton, CA (US);
Kulandaivelu Sivanandan, Fremont, CA (US);
Jonathan Pistorino, Oakland, CA (US);
Hany Basam Eitouni, Oakland, CA (US);
Assignee:
Seeo, Inc., Hayward, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/26 (2006.01); C08G 65/00 (2006.01);
U.S. Cl.
CPC ...
C08G 65/2612 (2013.01); C08G 65/2675 (2013.01);
Abstract
A new synthetic method to prepare high molecular weight poly(ethylene oxide) with a very narrow molecular weight distribution (PDI<1.5) is described. The method involves a metal free initiator system, thus avoiding dangerous, flammable organometallic compounds.