4. Refrigeration
  5. Cryogenic treatment of gas or gas mixture
  6. Separation of gas mixture

David R. Lumgair

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Maintaining acid catalyst sites in sapo molecular sieves

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same
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Maintaining acid catalyst sites in SAPO molecular sieves

Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
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Process for removing contaminants from a compressor...

Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
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Process of removing contaminants from an olefin stream using...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
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Processor for removing contaminants from a compressor in a...

Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
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