4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Mixing of two or more solid polymers; mixing of solid...

China Petroleum and Chemical Corporation

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Combined process of low degree solvent deasphalting and...

Mineral oils: processes and products – Chemical conversion of hydrocarbons – With preliminary treatment of feed
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Guard catalyst and a process for its preparation

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
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Highly active midbarrel hydrocracking catalyst and the...

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component
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Mesoporous molecular sieve and a process for the preparation...

Chemistry of inorganic compounds – Rare earth compound
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SAPO-11 molecular sieve, its synthetic method and a catalyst...

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Reforming
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