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

Steven William Doane

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Methods of forming superabsorbent polymer products for use...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant which is a cellular material derived from...
Reexamination Certificate

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Starch graft copolymers and method of making and using...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carbohydrate or derivative as a reactant
Reexamination Certificate

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Superabsorbent polymer product and use in agriculture

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant which is a cellular material derived from...
Reexamination Certificate

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Superabsorbent polymer product and use in agriculture

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant which is a cellular material derived from...
Reexamination Certificate

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Superabsorbent polymer products including a beneficial...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate

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