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:
Jan. 31, 2006
Filed:
Jul. 03, 2003
Val J. Cupples, Canyon Lake, CA (US);
David M. Bartels, Carlsbad, CA (US);
Pijush K. Dewanjee, Carlsbad, CA (US);
Humayun Khan, Oceanside, CA (US);
Steven S. Ogg, Carlsbad, CA (US);
Val J. Cupples, Canyon Lake, CA (US);
David M. Bartels, Carlsbad, CA (US);
Pijush K. Dewanjee, Carlsbad, CA (US);
Humayun Khan, Oceanside, CA (US);
Steven S. Ogg, Carlsbad, CA (US);
Callaway Golf Company, Carlsbad, CA (US);
Abstract
A curative blend for a thermosetting polyurethane material that allows for a polyurethane material with greater durability is disclosed herein. The curative blend is composed of 4,4'-methylenebis-(2,6-diethyl)-aniline and a second curing agent selected from the group consisting of N,N′-bis-alkyl-p-phenylenediamine, N,N′-dialkylamino-diphenylmethane with tetrapropoxylated ethylenediamine and an aliphatic diamine. A preferred polyurethane prepolymer is polytetramethylene ether glycol terminated toluene diisocyanate prepolymer. The thermosetting polyurethane is preferably utilized as a cover for a golf ball. The cover is preferably formed over a core and boundary layer.