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:
Jan. 24, 2006
Filed:
Jan. 08, 2003
Applicants:
Gerfried Pruckmayr, Media, PA (US);
Charles Francis Palmer, Jr., Waynesboro, VA (US);
Gary Arthur Lodoen, Waynesboro, VA (US);
Inventors:
Gerfried Pruckmayr, Media, PA (US);
Charles Francis Palmer, Jr., Waynesboro, VA (US);
Gary Arthur Lodoen, Waynesboro, VA (US);
Assignee:
Invista North America S.a.r.l., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/20 (2006.01); C08G 65/08 (2006.01); C07C 43/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A copolymer with recurring constituent units derived by polymerizing tetrahydrofuran, ethylene oxide and at least one additional cyclic ether that can be substituted or unsubstituted that decreases the hydrophilicity imparted to the copolymer by the ethylene oxide.