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:
Oct. 05, 1993
Filed:
May. 20, 1991
Applicant:
Inventors:
Jack H Enloe, Columbia, MD (US);
John W Lau, Gaithersburg, MD (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; B32B / ;
U.S. Cl.
CPC ...
156 89 ; 156289 ; 264 57 ; 264 60 ; 264 61 ; 264319 ; 419 48 ;
Abstract
A green body to be hot pressed by heating the body and applying pressure in a uniaxial direction to the body for an amount of time wherein the body has at least one non-uniform composition cross section relative to the uniaxial direction which cross section has regions which require differing amounts of shrinkage in the uniaxial direction to achieve maximum density under the pressure and heating for the amount of time, may be hot pressed according to a method including: