NL250081A - - Google Patents

Info

Publication number
NL250081A
NL250081A NL250081DA NL250081A NL 250081 A NL250081 A NL 250081A NL 250081D A NL250081D A NL 250081DA NL 250081 A NL250081 A NL 250081A
Authority
NL
Netherlands
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.)
Publication of NL250081A publication Critical patent/NL250081A/xx

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
    • G03C1/00—Photosensitive materials
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6561—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Color Printing (AREA)
  • Indole Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
NL250081D 1959-04-03 NL250081A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80383659A 1959-04-03 1959-04-03
US108710A US3100778A (en) 1959-04-03 1961-05-09 Derivatives of 1,3,3 trimethyl-spiro (2'h-1'-benzopyran-2,2'-indolene)

Publications (1)

Publication Number Publication Date
NL250081A true NL250081A (ja)

Family

ID=26806185

Family Applications (2)

Application Number Title Priority Date Filing Date
NL113671D NL113671C (ja) 1959-04-03
NL250081D NL250081A (ja) 1959-04-03

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL113671D NL113671C (ja) 1959-04-03

Country Status (6)

Country Link
US (1) US3100778A (ja)
CH (1) CH462812A (ja)
DE (1) DE1293773B (ja)
FR (1) FR1253042A (ja)
GB (1) GB887958A (ja)
NL (2) NL250081A (ja)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL127064C (ja) * 1959-07-16
US3320067A (en) * 1963-09-03 1967-05-16 Polaroid Corp Composition and process utilizing photospirans
US3243428A (en) * 1963-11-18 1966-03-29 Hoffmann La Roche Certain 5, 6-dihydro-6, 12-diphenyldibenzo-[b, f] [1, 5] diazocine compounds
FR1394163A (fr) * 1964-02-18 1965-04-02 Saint Gobain Compositions photochromes notamment pour la fabrication de vitrages à transmission variable
US3290331A (en) * 1964-03-30 1966-12-06 Ncr Co 6'no2, 7'-methoxy indolino-benzospiropyrans
US3445225A (en) * 1965-10-01 1969-05-20 Xerox Corp Electrophotographic imaging process
US3485765A (en) * 1966-07-06 1969-12-23 Eastman Kodak Co Azo modifier containing phototropic compositions
US3528926A (en) * 1966-10-27 1970-09-15 Ncr Co Mixed photochromic compound composition
US3507563A (en) * 1967-02-01 1970-04-21 Itek Corp Color-reversible anti-glare mirror
US3532540A (en) * 1967-10-26 1970-10-06 Ncr Co Differential adhesion process for making high resolution thin film patterns
US3584934A (en) * 1968-04-12 1971-06-15 Itek Corp Nonmechanical shutter
US3671543A (en) * 1970-05-28 1972-06-20 Sumitomo Chemical Co Imidomethyl derivatives of 1,3,3-trimethylindolino-spiropyran
JPS4913354B1 (ja) * 1970-12-19 1974-03-30
US3761942A (en) * 1971-07-28 1973-09-25 Ibm Low energy thermochromic image recording device
JPS491566A (ja) * 1972-04-28 1974-01-08
US3914510A (en) * 1972-06-16 1975-10-21 Ncr Co Thermal sensitive transparency
CH594675A5 (ja) * 1976-01-30 1978-01-13 Ciba Geigy Ag
US4931220A (en) * 1987-11-24 1990-06-05 Ppg Industries, Inc. Organic photochromic pigment particulates
US5403702A (en) * 1991-03-13 1995-04-04 Otsuka Kagaku Kabushiki Kaisha Crystals consisting of an indolinospirobenzopyran derivative
US6211374B1 (en) * 1997-04-23 2001-04-03 Joseph Thomas Ippoliti Water soluble, pyran-based photochromic compounds having carboxylate functionality
WO2007082239A2 (en) * 2006-01-10 2007-07-19 Verification Technologies, Inc. Data-protected digital recording medium
US20210284778A1 (en) 2020-03-11 2021-09-16 Alcon Inc. Photochromic polydiorganosiloxane vinylic crosslinkers
WO2021245551A1 (en) 2020-06-02 2021-12-09 Alcon Inc. Method for making photochromic contact lenses
WO2022090967A1 (en) 2020-10-28 2022-05-05 Alcon Inc. Method for making photochromic contact lenses
EP4240578A1 (en) 2020-11-04 2023-09-13 Alcon Inc. Method for making photochromic contact lenses
EP4240579A1 (en) 2020-11-04 2023-09-13 Alcon Inc. Method for making photochromic contact lenses
US20220281193A1 (en) 2021-03-08 2022-09-08 Alcon Inc. Method for making photofunctional contact lenses
WO2022208450A1 (en) 2021-04-01 2022-10-06 Alcon Inc. Method for making photochromic contact lenses
US20230364832A1 (en) 2022-04-28 2023-11-16 Alcon Inc. Method for making uv and hevl-absorbing ophthalmic lenses

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL226920A (ja) * 1957-04-23

Also Published As

Publication number Publication date
NL113671C (ja)
GB887958A (en) 1962-01-24
DE1293773B (de) 1969-04-30
FR1253042A (fr) 1961-02-03
CH462812A (fr) 1968-09-30
US3100778A (en) 1963-08-13

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