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04/17/08 - USPTO Class 148 |  34 views | #20080087357 | Prev - Next | About this Page  148 rss/xml feed  monitor keywords

Pretreatment of aluminum surfaces

USPTO Application #: 20080087357
Title: Pretreatment of aluminum surfaces
Abstract: A process for preparing the surface of aluminum products to receive colored coatings comprises a substantially pollution free, non-chromate pretreatment and aluminum conversion coating process. The process provides improved coating quality, increased process stability, increased throughput and extended operating life of the processing baths by controlling the electrical resistance of the deionized water used for washing the aluminum product being processed to at least about 50 k ohms and controlling the manner of washing between each step of the process. (end of abstract)



Agent: Koppel, Patrick & Heybl - Thousand Oaks, CA, US
Inventors: Michael D. Barnard, Douglas W. Hagen
USPTO Applicaton #: 20080087357 - Class: 148275000 (USPTO)

Related Patent Categories: Metal Treatment, Process Of Modifying Or Maintaining Internal Physical Structure (i.e., Microstructure) Or Chemical Properties Of Metal, Process Of Reactive Coating Of Metal And Process Of Chemical-heat Removing (e.g., Flame-cutting, Etc.) Or Burning Of Metal, Processes Of Coating Utilizing A Reactive Composition Which Reacts With Metal Substrate Or Composition Therefore, Liquid Reactive Coating Composition Utilized, Metal Substrate Contains Elemental Aluminum Or Magnesium Or Alloy Thereof

Pretreatment of aluminum surfaces description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20080087357, Pretreatment of aluminum surfaces.

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