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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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