4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Processes of preparing a desired or intentional composition...

Hans-Dieter Nägerl

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Derivative of phosphoric acid ester salt or phosphoric acid...

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Reexamination Certificate

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Process for the preparation of polyphosphates of organic bases

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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Process for the production of phosphoric acid esters or...

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2213645

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