4. Radiation imagery chemistry: process, composition, or product th
  5. Silver halide colloid tanning process, composition, or product

Pierre De Clercq

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Photographic material containing a new hydrazide type

Radiation imagery chemistry: process – composition – or product th – Silver halide colloid tanning process – composition – or product
Patent

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Photographic useful group releasing system

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent

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Precursors of the A-ring of vitamin D and method and...

Organic compounds -- part of the class 532-570 series – Organic compounds – 9,10-seco-cyclopentanohydrophenanthrene ring system or...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1022775

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