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:
Nov. 27, 2007
Filed:
Sep. 13, 2005
Michael Matthew Satkowski, Oxford, OH (US);
James Terry Knapmeyer, Cincinnati, OH (US);
David Patrick Kreuzer, Fairfield, OH (US);
Michael Matthew Satkowski, Oxford, OH (US);
James Terry Knapmeyer, Cincinnati, OH (US);
David Patrick Kreuzer, Fairfield, OH (US);
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
The present invention provides a process for crystallizing a polymer having at least 20 mole percent of hydroxyalkanoate repeat units, comprising admixing the polymer and a compound of the formula R—C(O)N(R), R—C(O)NH—(R)—NHC(O)—R, R—NHC(O)NH—(R)—NHC(O)NH—R, R—NHC(O)—R, R—NHC(O)—(R)—C(O)NH—R, R—C(O)NH—(R)—C(O)NH—R, R—NHC(O)NH—(R)—C(O)NH—R, R—NHC(O)NH—(R)—NHC(O)—R, or a combination thereof, at a first temperature, which is from about 5° C. to about 15° C. above the melting point of the polymer; and cooling the polymer at a second temperature, which is from about the glass transition temperature of the polymer to about the melting point of the compound. The present invention also provides a composition comprising a polymer having at least about 20 mole percent of hydroxyalkanoate repeat units, and a compound of the formula R—C(O)N(R), R—C(O)NH—(R)—NHC(O)—R, R—NHC(O)NH—(R)—NHC(O)NH—R, R—NHC(O)—R, R—NHC(O)—(R)—C(O)NH—R, R—C(O)NH—(R)—C(O)NH—R, R—NHC(O)NH—(R)—C(O)NH—R, R—NHC(O)NH—(R)—NHC(O)—R, or a combination thereof.