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. 15, 1976
Filed:
Feb. 25, 1975
Applicant:
Inventor:
Edward Johnson Deyrup, Northeast, MD (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 30 ; 29195 ; 204 / ; 204 / ; 204 / ; 427304 ; 427306 ; 427307 ; 427322 ;
Abstract
An improved process for electroplating polyoxymethylene is provided wherein a shaped article of polyoxymethylene is treated with quinoline or .gamma.-butyrolactone preferably by immersion techniques prior to subjecting the shaped article to surface treatment with an acid etching agent.