4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Heterocyclic carbon compounds containing a hetero ring...

Heinz Rütter

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Catalyst and method for the production of polytetrahydrofuran

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From heterocyclic reactant containing as ring atoms oxygen,...
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Method for hydrogenating unsaturated heterocyclic compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
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Method for producing polytetrahydrofuran

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
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Method for suspension hydrogenation of an anthraquinone...

Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system wherein two...
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Process for fractionating water-containing crude amine...

Distillation: processes – separatory – With disparate physical separation – Utilizing liquid-liquid extracting of distillation product
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