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:
Sep. 26, 2000
Filed:
Mar. 17, 1998
Applicant:
Inventors:
Vinci Martinez Felix, Kennett Square, PA (US);
Pidatala Krishna Mohan, West Chester, PA (US);
William Francis McHale, Oxford, PA (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ; C23C / ;
U.S. Cl.
CPC ...
427449 ; 427452 ; 427456 ;
Abstract
A method for preparing a scratch and abrasion resistant surface on unroughened aluminum or stainless steel cookware, for subsequent coating with a nonstick polymer resin, such as a fluoropolymer, in a liquid and/or powder medium. The scratch and abrasion resistant surface consists of a thermally sprayed aluminum or stainless steel, respectively. A metal coated substrate produced by this method and an article subsequently coated with a fluoropolymer surface by this method are also described.