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:
Oct. 28, 2025
Filed:
May. 27, 2020
Applicant:
Arkema France, Colombes, FR;
Inventors:
Blandine Testud, Serquigny, FR;
Quentin Pineau, Serquigny, FR;
Assignee:
ARKEMA FRANCE, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 293/00 (2006.01); C08L 77/12 (2006.01);
U.S. Cl.
CPC ...
C08F 293/00 (2013.01); C08L 77/12 (2013.01);
Abstract
The present invention concerns the use of PCL in preparing a block copolymer comprising at least one rigid block and at least one flexible block, for enhancing the sebum resistance of said block copolymer. The present invention also provides a sebum-resistant block copolymer, characterized in that it comprises rigid blocks and flexible blocks comprising at least 50% by weight of PCL, based on the total weight of flexible blocks, which represents 100%; a process for synthesizing said copolymer; and also compositions and articles comprising a sebum-resistant copolymer of this kind.