4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Four or more ring nitrogens in the bicyclo ring system

William D. Ramsden

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Blocked aliphatic thiol stabilizers for photothermographic...

Radiation imagery chemistry: process – composition – or product th – Thermographic process – Heat applied after imaging
Reexamination Certificate

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Composition comprising photochemical acid progenitor and specifi

Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
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Composition comprising photochemical acid progenitor and...

Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Reissue Patent

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Compositions and processes for photogeneration of acid

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface
Reexamination Certificate

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Developer dispersions for thermally developable materials

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