4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From aldehyde or derivative thereof as reactant

Erhard Guenther

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Composition for treating tanned leather, and its preparation

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate

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Condensation products based on triazines and formaldehyde

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From aldehyde or derivative thereof as reactant
Patent

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Continuous method for producing amino- and/or phenoplasts

Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work
Reexamination Certificate

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Defoamer and/or deareator on the basis of oil-in-water...

Colloid systems and wetting agents; subcombinations thereof; pro – Continuous liquid or supercritical phase: colloid systems;... – Aqueous continuous liquid phase and discontinuous phase...
Reexamination Certificate

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Fire protection covers made of melamine-formaldehyde resin fiber

Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Woven fabric – Including a free metal or alloy constituent
Patent

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Profile ID: LFUS-PAI-P-524382

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