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. 26, 1993
Filed:
Feb. 04, 1991
Applicant:
Inventors:
Juan Haydu, Orange, CT (US);
Vincent Paneccasio, Jr, Madison, CT (US);
Patricia A Cacciatore, Oakville, CT (US);
Assignee:
Enthone-OMI Inc., West Haven, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ; B05D / ;
U.S. Cl.
CPC ...
205213 ; 205244 ; 205310 ; 427406 ; 427436 ;
Abstract
A method for producing smooth metal coatings on zincated aluminum substrates using a specially formulated zincating bath containing an additive comprising a bath soluble cationic condensation polymer represented by the general formula: ##STR1## wherein: Z represents a group of atoms necessary to complete a heterocylic compound having a five or six membered ring containing at least 2 nitrogen atoms;