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:
Nov. 24, 1992
Filed:
Oct. 29, 1991
Applicant:
Inventors:
Michael T Pottiger, Bear, DE (US);
Brian C Auman, Newark, DE (US);
John C Coburn, Newton Square, PA (US);
Timothy D Krizan, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; C08F / ;
U.S. Cl.
CPC ...
526 59 ; 4273722 ; 526 60 ; 526 61 ; 528351 ; 528353 ;
Abstract
Formation of polyimide film with a preselected coefficient of thermal expansion is disclosed employing relationships between cure temperature and heating rates.