USB456869I5 - - Google Patents

Info

Publication number
USB456869I5
USB456869I5 US45686974A USB456869I5 US B456869 I5 USB456869 I5 US B456869I5 US 45686974 A US45686974 A US 45686974A US B456869 I5 USB456869 I5 US B456869I5
Authority
US
United States
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US00202558A external-priority patent/US3816124A/en
Application filed filed Critical
Priority to US05/456,869 priority Critical patent/US4001277A/en
Publication of USB456869I5 publication Critical patent/USB456869I5/en
Application granted granted Critical
Publication of US4001277A publication Critical patent/US4001277A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/42—Structural details
    • G03C8/44—Integral units, i.e. the image-forming section not being separated from the image-receiving section
    • G03C8/48—Integral units, i.e. the image-forming section not being separated from the image-receiving section characterised by substances used for masking the image-forming section
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indole Compounds (AREA)
US05/456,869 1971-11-26 1974-04-01 3,3-disubstituted phthalides and naphthalides Expired - Lifetime US4001277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/456,869 US4001277A (en) 1971-11-26 1974-04-01 3,3-disubstituted phthalides and naphthalides

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00202558A US3816124A (en) 1971-11-26 1971-11-26 Photographic processes and products employing mixed indole/phenol phthaleins as optical filter agents
US05/456,869 US4001277A (en) 1971-11-26 1974-04-01 3,3-disubstituted phthalides and naphthalides

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US00202558A Continuation-In-Part US3816124A (en) 1971-11-26 1971-11-26 Photographic processes and products employing mixed indole/phenol phthaleins as optical filter agents

Publications (2)

Publication Number Publication Date
USB456869I5 true USB456869I5 (en) 1976-03-09
US4001277A US4001277A (en) 1977-01-04

Family

ID=26897798

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/456,869 Expired - Lifetime US4001277A (en) 1971-11-26 1974-04-01 3,3-disubstituted phthalides and naphthalides

Country Status (1)

Country Link
US (1) US4001277A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987000307A1 (en) * 1985-07-03 1987-01-15 Polaroid Corporation Color transfer photographic processes and products

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1704135A4 (en) * 2003-12-23 2007-10-24 Abraxis Bioscience Inc Propofol analogs, process for their preparation, and methods of use

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540911A (en) * 1967-01-30 1970-11-17 Ncr Co Pressure sensitive record sheets employing 3 - (phenyl) - 3-(indol - 3 - yl)-phthalides
US3829322A (en) * 1970-12-28 1974-08-13 Hodogaya Chemical Co Ltd Pressure-sensitive phthalide compound copying sheet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540911A (en) * 1967-01-30 1970-11-17 Ncr Co Pressure sensitive record sheets employing 3 - (phenyl) - 3-(indol - 3 - yl)-phthalides
US3829322A (en) * 1970-12-28 1974-08-13 Hodogaya Chemical Co Ltd Pressure-sensitive phthalide compound copying sheet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987000307A1 (en) * 1985-07-03 1987-01-15 Polaroid Corporation Color transfer photographic processes and products
EP0227823B1 (en) * 1985-07-03 1989-03-22 Polaroid Corporation Color transfer photographic processes and products

Also Published As

Publication number Publication date
US4001277A (en) 1977-01-04

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