GB889186A - Derivatives of 3-alkyl, 3-methyl-spiro-[benzoxazole-2, 2-(2h-1-benzopyran)] - Google Patents

Derivatives of 3-alkyl, 3-methyl-spiro-[benzoxazole-2, 2-(2h-1-benzopyran)]

Info

Publication number
GB889186A
GB889186A GB23083/60A GB2308360A GB889186A GB 889186 A GB889186 A GB 889186A GB 23083/60 A GB23083/60 A GB 23083/60A GB 2308360 A GB2308360 A GB 2308360A GB 889186 A GB889186 A GB 889186A
Authority
GB
United Kingdom
Prior art keywords
compounds
irradiation
methyl
derivatives
substituents
Prior art date
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.)
Expired
Application number
GB23083/60A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 US827468A external-priority patent/US3036684A/en
Application filed by NCR Corp, National Cash Register Co filed Critical NCR Corp
Publication of GB889186A publication Critical patent/GB889186A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
    • C07D263/54—Benzoxazoles; Hydrogenated benzoxazoles
    • C07D263/56—Benzoxazoles; Hydrogenated benzoxazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
GB23083/60A 1959-07-16 1960-07-01 Derivatives of 3-alkyl, 3-methyl-spiro-[benzoxazole-2, 2-(2h-1-benzopyran)] Expired GB889186A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US82746359A 1959-07-16 1959-07-16
US827468A US3036684A (en) 1959-07-16 1959-07-16 Toll collecting machine
US173355A US3149120A (en) 1959-07-16 1962-02-15 3, 3'-dimethyl-6'-nitro-spiro

Publications (1)

Publication Number Publication Date
GB889186A true GB889186A (en) 1962-02-07

Family

ID=27390266

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23083/60A Expired GB889186A (en) 1959-07-16 1960-07-01 Derivatives of 3-alkyl, 3-methyl-spiro-[benzoxazole-2, 2-(2h-1-benzopyran)]

Country Status (4)

Country Link
US (1) US3149120A (enrdf_load_stackoverflow)
CH (1) CH398598A (enrdf_load_stackoverflow)
GB (1) GB889186A (enrdf_load_stackoverflow)
NL (2) NL253899A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1394163A (fr) * 1964-02-18 1965-04-02 Saint Gobain Compositions photochromes notamment pour la fabrication de vitrages à transmission variable
NL6600777A (enrdf_load_stackoverflow) * 1965-01-25 1966-07-26
US3450531A (en) * 1965-09-03 1969-06-17 Xerox Corp Adhesive imaging on photochromic layers
US3450530A (en) * 1965-09-03 1969-06-17 Xerox Corp Photographic imaging by means of the surface tension created by photochromic materials
US3482973A (en) * 1965-10-01 1969-12-09 Xerox Corp Imaging system
US3507563A (en) * 1967-02-01 1970-04-21 Itek Corp Color-reversible anti-glare mirror
US3532638A (en) * 1967-04-28 1970-10-06 Eastman Kodak Co Phototropic compositions
JPS491566A (enrdf_load_stackoverflow) * 1972-04-28 1974-01-08

Also Published As

Publication number Publication date
CH398598A (fr) 1966-03-15
US3149120A (en) 1964-09-15
NL253899A (enrdf_load_stackoverflow)
NL123451C (enrdf_load_stackoverflow)

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