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. 05, 2001
Filed:
Jul. 20, 1999
Patrick T. McGrail, Cleveland, GB;
Stephen D. Jenkins, Cleveland, GB;
Jeffrey T. Carter, Cleveland, GB;
Peter R. Ciriscioli, Phoenix, AZ (US);
Scott D. Lucas, Scottsdale, AZ (US);
Robin K. Maskell, Phoenix, AZ (US);
Cytec Industries Inc., Stamford, CT (US);
Abstract
A shaped article optionally containing a prepreg, or a composite derived from the shaped article with the prepreg, is prepared from a curable composition derived from the reaction in the presence of a catalyst of epoxy resin having at least 0.05% by weight of an epoxy resin oligomer with a solid rubber possessing at least 1% by weight of reactive groups and which is swellable or soluble in the reaction mixture, in a rubber epoxy resin weight ratio between 1:1 to 1:20, wherein said epoxy resin comprises (a) at least one first epoxy resin having an epoxy functionality of greater than three and (b) at least one second epoxy resin having a functionality of greater than one to three.