PatentVote.com: Vote on your favourite invention!

Next ten patents ordered by date:
Cathodic electrodeposition of paints
Method of making secondary-electron emitters
Partial oxygen measurement system
Crosslinkable mixtures of oligomers or polymers and diamines
Curing photopolymerizable compositions containing n-substituted acryloyloxyethyl amines
Treatment of aqueous dispersions
Electrophoretic transfer process
Apparatus for conveying a gas sample through an analyzer chamber
Electrolytic cell having membrane enclosed anodes
Selenium- and tellurium-coated metal electrodes
Translate:
En
De
Es
Fr
It
Pt
Ja
Ko
Zh 

 

Title: Cataphoretic electrodeposition baths containing water-soluble lead salts

Abstract: Cataphoretic electrodeposition baths for coating ferrous metal articles, particularly untreated ferrous metal articles, are disclosed. The baths comprise aqueous dispersions of cationic electrodepositable resins and lead ions which are introduced into said bath by the addition of water-soluble lead compounds. Coatings electrodeposited on ferrous metal articles from such baths have excellent corrosion resistance.


Do you think this is a good invention? Vote now:

 Votes so far: For:(0) Against:(0)
Other info:


Inventors: Zwack, Robert R. (New Kensington, PA, US)
Jerabek, Robert D. (Glenshaw, PA, US)

Application Number: 785154
Filing Date: 1977-04-06
Publication_date: 1978-09-19
Assignee: PPG Industries, Inc. (Pittsburgh, PA)
Primary Class(es): 204/499
Other Classes:
US Patent Ref:
3682814Aug, 1972Gilchrist204/181.
3692714Sep, 1972Keyman et al.204/181.

Other Refs:
Primary Examiner: Williams, Howard S.
Assistant Examiner:
Attorney: Uhl; William J.