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. 06, 2022
Filed:
Jul. 29, 2020
Applicant:
Polynt Composites France, Drocourt, FR;
Inventors:
Thierry Foussard, Hersin Coupigny, FR;
Paul Darby, Scartho Grimsby, GB;
Serge Herman, Noeux les Mines, FR;
Christine Dhersin, Sailly Labourse, FR;
Assignee:
Polynt Composites France, Drocourt, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/24 (2006.01); C08J 5/04 (2006.01); B29B 11/16 (2006.01); B29C 43/18 (2006.01); B29K 309/08 (2006.01); B29K 31/00 (2006.01); B29K 105/08 (2006.01);
U.S. Cl.
CPC ...
C08J 5/24 (2013.01); B29B 11/16 (2013.01); B29C 43/18 (2013.01); C08J 5/043 (2013.01); B29K 2031/00 (2013.01); B29K 2105/0872 (2013.01); B29K 2309/08 (2013.01); C08J 2363/10 (2013.01);
Abstract
The invention provides a powder pre-preg comprising as sole resin a vinyl ester resin having a Tg in the range of −5 to +30° C. and a melt viscosity @100° C. in the range of 2 to 75 dPa·s, which can be used in making a composite at a temperature as low as 80° C.