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. 17, 2000
Filed:
Jul. 26, 1993
Applicant:
Inventors:
George Edward Green, Stapleford, GB;
John Cook, Little Shelford, GB;
Assignee:
Ciba Specialty Chemicals Corp., Tarrytown, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
442 65 ; 442 64 ; 442164 ; 442168 ; 442169 ; 442175 ; 264548 ; 264554 ; 264241 ; 264257 ; 264258 ; 264260 ; 2642974 ; 4274071 ; 4274072 ; 4274073 ; 427412 ;
Abstract
A method of producing a curable prepreg which comprises (i) sandwiching a multi-ply fabric layer comprising at least two superposed sheets of woven reinforcing fabric between solid films of a curable resin composition and (ii) heating the resulting sandwich under pressure so that the resin composition impregnates the sheets of woven reinforcing fabric to form a coherent curable structure.