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Houghton Technical Corp patents

Recent patent applications related to Houghton Technical Corp. Houghton Technical Corp is listed as an Agent/Assignee. Note: Houghton Technical Corp may have other listings under different names/spellings. We're not affiliated with Houghton Technical Corp, we're just tracking patents.

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Compositions and methods of using polyamidopolyamines and non-polymeric amidoamines

Compositions comprising a polyamidopolyamine and/or a non-poly-meric amidoamine are disclosed for imparting multiple desired characteristics to a variety of industrial compositions. In certain embodiments, these compositions are prepared by condensing a c4 to c16 poly basic acid, monobasic acid or derivative thereof with a polyamine comprising a primary amino group, and in the presence of an optional organic diluent. ... Houghton Technical Corp

Methods and compositions for acid treatment of a metal surface

The invention relates to compositions and methods that are useful in etching a metal surface. In particular, the invention relates to novel acid compositions and methods of using such compositions in etching a metal surface, preferably an aluminum surface prior to anodizing to dissolve impurities, imperfections, scale, and oxide. ... Houghton Technical Corp

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Houghton Technical Corp in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Houghton Technical Corp with additional patents listed. Browse our Agent directory for other possible listings. Page by