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:
Aug. 05, 1996
Filed:
Nov. 04, 1993
Applicant:
Inventor:
Jeffrey G Southwick, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ;
U.S. Cl.
CPC ...
524258 ;
Abstract
A method of reducing the color of a hot melt adhesive formulation comprising a coupled polymer of a conjugated diene which comprises adding to the formulation an amount of 4,4'-bis(alpha,alpha-dimethylbenzyl)diphenylamine sufficient to reduce color formation. This method is especially effective for epoxy resin coupled polymers and sequentially polymerized polymers.
Quick Actions:
Southwick, Jeffrey. (1996). Process for the reduction of diene polymer hot melt adhesive color (ii) (U.S. Patent No. H001581). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/H001581
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile