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:
Jun. 28, 2011
Filed:
Dec. 05, 2007
Applicant:
Frederic Malet, Rouen, FR;
Inventor:
Frederic Malet, Rouen, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/48 (2006.01); C08G 65/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a segmented block copolymer including polyamide blocks, polyester blocks and polyether blocks, of general formula: (I) -[BD-BM]- in which: BD or hard block is a polyamide block; BM or soft block represents a mixture of polyether blocks and polyester blocks; and n is the number of -BD-BM- units in said copolymer, characterized in that the percentage of polyether blocks (PE blocks) is strictly higher than 15 wt % of said copolymer, and in that said polyester blocks (PES blocks) have a glass transition temperature Tbelow 10° C.