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:
Jan. 27, 1998
Filed:
Nov. 20, 1995
Applicant:
Inventors:
Edward C Robinson, New Kensington, PA (US);
Robert E Bombalski, Brackenridge, PA (US);
Jean Ann Skiles, Gibsonia, PA (US);
Thomas L Levendusky, Greensburg, PA (US);
Mark L Weaver, Allison Park, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ; B41N / ;
U.S. Cl.
CPC ...
427202 ; 427203 ; 427205 ; 427375 ; 4273855 ; 101458 ;
Abstract
A process for making lithographic sheet material. A metal sheet substrate is coated with a thermoplastic adhesive layer, and a particle layer is adhered to and within the adhesive layer while it is near its melting point. The adhesive layer is preferably polyethylene terephthalate and the particle layer preferably contains alumina particles.