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Process for forming a resinous coating from an autodepositing composition which includes internally stabilized vinylidene chloride copolymer
   
Document Number
US Patent 6224947
Issued Date
May 1, 2001
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Abstract
Improved autodeposited coatings on metallic surfaces are formed by contacting the metallic surfaces with an autodepositing composition comprising an acidic aqueous coating solution containing dispersed solid resin particles or either an internally stabilized or externally stabilized vinylidene chloride polymer, an exemplary internally stabilized polymer being prepared from vinylidene chloride and a monomeric surfactant which includes an inorganic ionizable group, and an exemplary externally stabilized polymer being prepared from vinylidene chloride and a reactive comonomer, the resulting resin particles having surfactant adsorbed thereon, said autodeposited coatings having extremely good corrosion resistant properties without treatment with a reaction rinse such as a chromium rinse.
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Number of Claims:
41
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Owner
Henkel Corporation (Gulph Mills, PA)
Published
May 1, 2001
Application Number
08/467,622
Filed
June 6, 1995
US Classification
427/435   427/309
Int'l Classification
B05D   7/14   (20060101)   C08F   214/08   (20060101)   C08F   214/00   (20060101)   C09D   5/08   (20060101)  
Parent Case
CROSS-REFERENCE TO RELATED APPLICATION This is a divisional of application Ser. No. 08/287,643 filed on Aug. 9, 1994 which is a continuation-in-part of application Ser. No. 06/629,911, filed Jul. 11, 1984 (now abandoned), which is a continuation-in-part of application Ser. No. 06/517,133, filed Jul. 25, 1983, now abandoned.
USPTO Field of Search
427/435   427/309  
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