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:
May. 12, 1992
Filed:
Aug. 30, 1990
John R Boocock, Kingston, CA;
David A Harbourne, Kingston, CA;
Du Pont Canada Inc., Mississauga, CA;
Abstract
A concentrate comprising a copolymer and 65 to 300%, by weight of the copolymer, of a vinyl silane is disclosed. The vinyl silane is vinyl trimethoxysilane and/or vinyl triethoxysilane. The copolymer is a copolymer of ethylene with at least one comonomer selected from the group consisting of carbon monoxide, vinyl acetate, alkyl acrylates and alkyl methacrylates, in which the alkyl groups have 1-4 carbon atoms. The copolymer is in a particulate form and has a heat of crystallization of less than 70 J/g, and if said copolymer is ethylene/vinyl acetate copolymer, then the copolymer has a vinyl acetate content of at least 18% by weight. The concentrate is maintained in a moisture-free environment and is in solid form. The concentrates are used in the moisture cross-linking of alpha-olefin polymers and offer versatility in processes for such cross-linking.