4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From sulfur-containing reactant

Helmut Möhwald

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Composite bodies used as separators in electrochemical cells

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate

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Composite body suitable for utilization as a lithium ion...

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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Composites bodies used as separators in electrochemical cells

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Reexamination Certificate

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Compositions containing silicates and ion-conducting films...

Compositions – Light transmission modifying compositions – Modification caused by energy other than light
Reexamination Certificate

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Compositions suitable for electrochemical cells

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2073221

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