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:
Sep. 17, 2013
Filed:
Jan. 19, 2010
Frederick Herbert Walker, Allentown, PA (US);
Michael Ian Cook, De Meern, NL;
Gamini Ananda Vedage, Bethlehem, PA (US);
Robert Marjo Theodoor Rasing, Didam, NL;
Vipul P. Dholakia, Macungie, PA (US);
Frederick Herbert Walker, Allentown, PA (US);
Michael Ian Cook, De Meern, NL;
Gamini Ananda Vedage, Bethlehem, PA (US);
Robert Marjo Theodoor Rasing, Didam, NL;
Vipul P. Dholakia, Macungie, PA (US);
Air Products & Chemicals, Inc., Allentown, PA (US);
Abstract
The present invention provides N,N'-dimethyl secondary diamine polymers including methylamine-terminated poly-(N-methylazetidine) and methylamine-terminated poly-(N-methylazacycloheptane). Amine compositions and amine-epoxy compositions comprising N,N′-dimethyl secondary diamine polymers are also disclosed.