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. 06, 2006
Filed:
Nov. 06, 2002
Applicant:
Jayesh P. Shah, Plaistow, NH (US);
Inventor:
Jayesh P. Shah, Plaistow, NH (US);
Assignee:
National Starch and Chemical Investment Holding Corporation, New Castle, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 63/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A curable underfill encapsulant composition which is especially useful in the no-flow underfill encapsulation process. The composition contains an epoxy resin, a fluxing agent, a linear polyanhydride, a core shell polymer and a catalyst. In an alternative embodiment, the composition also contains a linear anhydride. Various additives, such as surfactants and coupling agents may also be added to the composition.