GB1303996A - - Google Patents

Info

Publication number
GB1303996A
GB1303996A GB3443069A GB1303996DA GB1303996A GB 1303996 A GB1303996 A GB 1303996A GB 3443069 A GB3443069 A GB 3443069A GB 1303996D A GB1303996D A GB 1303996DA GB 1303996 A GB1303996 A GB 1303996A
Authority
GB
United Kingdom
Prior art keywords
methoxy
photo
substituted
chromic
groups
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
GB3443069A
Other languages
English (en)
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
Application filed filed Critical
Publication of GB1303996A publication Critical patent/GB1303996A/en
Expired 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
    • G03C1/00—Photosensitive materials
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
GB3443069A 1969-07-08 1969-07-08 Expired GB1303996A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3443069 1969-07-08

Publications (1)

Publication Number Publication Date
GB1303996A true GB1303996A (OSRAM) 1973-01-24

Family

ID=10365551

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3443069A Expired GB1303996A (OSRAM) 1969-07-08 1969-07-08

Country Status (6)

Country Link
US (1) US3660094A (OSRAM)
JP (1) JPS4911562B1 (OSRAM)
BE (1) BE752319A (OSRAM)
DE (1) DE2031602A1 (OSRAM)
FR (1) FR2056282A5 (OSRAM)
GB (1) GB1303996A (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1431435A (en) * 1972-07-10 1976-04-07 Agfa Gevaert Image recording process including image stabilization
JPS5237259A (en) * 1975-09-19 1977-03-23 Okuma Howa Kikai Kk Heat-conductor structure
JPS55135213U (OSRAM) * 1980-03-13 1980-09-26
JPS60101619U (ja) * 1983-12-16 1985-07-11 東芝機器株式会社 床暖房具
JPH0723468B2 (ja) * 1984-12-10 1995-03-15 ソニー株式会社 フオトクロミツク感光性組成物
JPH0814696B2 (ja) * 1987-09-17 1996-02-14 富士写真フイルム株式会社 感光性樹脂組成物
US5501945A (en) * 1994-08-30 1996-03-26 The University Of Akron Method of using multichromic polymers in packaging
US5699182A (en) * 1995-05-25 1997-12-16 Xytronyx, Inc. Light fatigue resistant photochromic formulations

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355293A (en) * 1964-02-26 1967-11-28 Ncr Co Conversion of benzo-indolinospiropyran image to fixed red image

Also Published As

Publication number Publication date
US3660094A (en) 1972-05-02
JPS4911562B1 (OSRAM) 1974-03-18
BE752319A (nl) 1970-12-22
DE2031602A1 (de) 1971-01-14
FR2056282A5 (OSRAM) 1971-05-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PLNP Patent lapsed through nonpayment of renewal fees