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:
Apr. 02, 1991
Filed:
Jun. 04, 1987
Applicant:
Inventors:
Francois Boinot, Lievin, FR;
Michel Cousin, Loison s/Lens, FR;
Pierre-Michel Francois, Bethune, FR;
Francois Michel-Dansac, Bully-les-Mines, FR;
Assignee:
Societe Chimiques des Charbonnages S.A., Paris la Defence, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08C / ; C08K / ; B32B / ;
U.S. Cl.
CPC ...
525506 ; 525504 ; 524 13 ; 524 95 ; 524 96 ; 524405 ; 524594 ; 4273898 ; 4273899 ; 428 96 ; 523343 ; 156355 ;
Abstract
Compositions of phenolic resins, for example, phenol formaldehyde resins, containing an additive of triethanolamine borate or an amine/oxygen-containing boron derivative mixture, e.g., triethanolamine and boric anhydride, are particularly useful for the manufacture of prepeg mats.