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:
Feb. 08, 2000
Filed:
Jan. 23, 1998
Applicant:
Inventors:
Bing Wu, Marina del Rey, CA (US);
Timothy G Costello, Irvine, CA (US);
Kathy M Jun, Cerritos, CA (US);
Assignee:
National Starch and Chemical Investment Holding Corporation, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4283202 ; 428 402 ; 428200 ; 428402 ; 428325 ; 428327 ; 252514 ; 257717 ;
Abstract
This invention is an improved adhesive composition prepared from at least one organic polymer resin, an inorganic filler, and a fugitive liquid, in which the liquid and organic polymer resin are each substantially insoluble in the other; and in which the improvement comprises that the at least one organic polymer resin be present in particulate form of particle size that is 25.mu. or smaller. Adhesive compositions so prepared can be used on dies-400 mil.times.400 mil or greater on metal substrates without significant delamination.