4. Liquid purification or separation
  5. Processes
  6. Treating by enzyme

Robert W. Callahan

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Battery separators with reduced splitting propensity

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate

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Composite porous membranes and methods of making the same

Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent

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Ethylene-vinyl alcohol copolymer battery separator

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer – spacer or materials for use therewith
Patent

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Hydrophilic polyolefin having a coating containing a...

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer – spacer or materials for use therewith
Reexamination Certificate

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Liquid/liquid extractions with microporous membranes

Liquid purification or separation – Processes – Treating by enzyme
Patent

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Profile ID: LFUS-PAI-P-471934

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