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United States Utility Patents
4,540,630 - 4,540,639

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NumberTitle
4,540,630 Metal-backed layered composite and method of making same
4,540,631 Treatment of polymer using silver
4,540,632 Coating composition for elastomeric packaging components
4,540,633 Water dispersible polyurethane adhesive compositions and adhesive layer formed therefrom
4,540,634 Articles coated with transparent, abrasion resistant compositions
4,540,635 Modified colophony rosins, a process for their preparation, their use and paper-sizing agents containing such modified colophony rosins
4,540,636 Metal bearing element with a score-resistant coating
4,540,637 Process for the application of organic materials to galvanized metal
4,540,638 Non-magnetic substrate material
4,540,639 Method and apparatus for maintaining the pH in zinc-bromine battery systems



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