Momentive Performance Materials Gmbh

Other

Chemetall Gmbh

Christopher M Carter

Bret Ja Chisholm

Donald Wayne Whisenhunt, Jr

Jeffrey I Melzer

Andrea Keys Eodice

Kendall L Guyer

Matthew M Hunter

Lingyun He

Donald W Whisenhunt

Edward A Rodzewich

Shiu-Chin Huang Su

David Birenbaum Engel

William S Carey

Philip D Deck

Shiu-Chin (Cindy) H Su

Jeffery Melzer

Donald W Whisenhunt Jr

Davidl B Engel

Conversion and passivation coatings and methods for metal surfaces such as steel and aluminum are disclosed. The coating compositions comprise an aqueous sol of cerium oxide and/or silica particles and a ureido silane compound. The methods of the invention comprise contacting the requisite metal surface with the coating composition.

No-rinse pretreatment methods and compositions

Conversion and passivation coatings and methods for treating metal surfaces such as steel and aluminum are disclosed. The coating compositions comprise a silane and a stabilizing agent. The methods herein comprise contacting the requisite metal surface with the coating composition.

Storage stable composition of partial and/or complete condensate of hydrolyzable organofunctional silane

Chromate-free and metal phosphate free treatments and compositions for applying a conversion or passivation coating for metals, more particularly, steel, zinc coated steel, and aluminum surfaces. The methods of the invention comprise contacting the requisite metal surface with a treatment composition comprising a member or members comprising one or more Group IV B elements, fluoride, and phosphonic acid or phosphonate. Optionally, a silane may be added as a treatment component.

Rinsable metal pretreatment methods and compositions

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Schenectady, NY, United States of America

Christopher M Carter