FR2049297A5 - - Google Patents

Info

Publication number
FR2049297A5
FR2049297A5 FR6918619A FR6918619A FR2049297A5 FR 2049297 A5 FR2049297 A5 FR 2049297A5 FR 6918619 A FR6918619 A FR 6918619A FR 6918619 A FR6918619 A FR 6918619A FR 2049297 A5 FR2049297 A5 FR 2049297A5
Authority
FR
France
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
FR6918619A
Other languages
French (fr)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
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 by Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Priority to FR6918619A priority Critical patent/FR2049297A5/fr
Priority to NL7008081A priority patent/NL7008081A/xx
Priority to DE19702027581 priority patent/DE2027581A1/de
Priority to GB2728970A priority patent/GB1310918A/en
Priority to LU61071D priority patent/LU61071A1/xx
Priority to BE751582D priority patent/BE751582A/xx
Application granted granted Critical
Publication of FR2049297A5 publication Critical patent/FR2049297A5/fr
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)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR6918619A 1969-06-06 1969-06-06 Expired FR2049297A5 (zh)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR6918619A FR2049297A5 (zh) 1969-06-06 1969-06-06
NL7008081A NL7008081A (zh) 1969-06-06 1970-06-03
DE19702027581 DE2027581A1 (de) 1969-06-06 1970-06-04 Photochrome Verbindungen
GB2728970A GB1310918A (en) 1969-06-06 1970-06-05 Indoline-2-spiro-2,-benzo-b-pyrans
LU61071D LU61071A1 (zh) 1969-06-06 1970-06-05
BE751582D BE751582A (fr) 1969-06-06 1970-06-05 Substances photochromiques perfectionnees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6918619A FR2049297A5 (zh) 1969-06-06 1969-06-06

Publications (1)

Publication Number Publication Date
FR2049297A5 true FR2049297A5 (zh) 1971-03-26

Family

ID=9035234

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6918619A Expired FR2049297A5 (zh) 1969-06-06 1969-06-06

Country Status (6)

Country Link
BE (1) BE751582A (zh)
DE (1) DE2027581A1 (zh)
FR (1) FR2049297A5 (zh)
GB (1) GB1310918A (zh)
LU (1) LU61071A1 (zh)
NL (1) NL7008081A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0600668A1 (en) * 1992-12-03 1994-06-08 Pilkington Plc Photochromic compounds
EP0600667A1 (en) * 1992-12-03 1994-06-08 Pilkington Plc Bridged photochromics
US5446151A (en) * 1992-12-03 1995-08-29 Pilkington Plc Photo reactive spiro-benzoxazine compounds

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0600668A1 (en) * 1992-12-03 1994-06-08 Pilkington Plc Photochromic compounds
EP0600667A1 (en) * 1992-12-03 1994-06-08 Pilkington Plc Bridged photochromics
US5446151A (en) * 1992-12-03 1995-08-29 Pilkington Plc Photo reactive spiro-benzoxazine compounds
US5446150A (en) * 1992-12-03 1995-08-29 Pilkington Plc Photochromic spiroxazine compounds
US5446149A (en) * 1992-12-03 1995-08-29 Pilkington Plc Bridged spiroxazine photochromic compounds

Also Published As

Publication number Publication date
DE2027581A1 (de) 1971-01-28
NL7008081A (zh) 1970-12-08
LU61071A1 (zh) 1971-07-01
GB1310918A (en) 1973-03-21
BE751582A (fr) 1970-12-07

Similar Documents

Publication Publication Date Title
AU2270770A (zh)
AU465452B2 (zh)
AU429630B2 (zh)
AU450150B2 (zh)
AU2355770A (zh)
AU442375B2 (zh)
AU427401B2 (zh)
AU470301B1 (zh)
AU442380B2 (zh)
AU442554B2 (zh)
AU428074B2 (zh)
AU428129B2 (zh)
AU428131B2 (zh)
AU417208B2 (zh)
AU470661B1 (zh)
AU438128B2 (zh)
AU425297B2 (zh)
AU442285B2 (zh)
AU442322B2 (zh)
AU442357B2 (zh)
AU414607B2 (zh)
AU410358B2 (zh)
AU442463B2 (zh)
AU442535B2 (zh)
AU4815038A (zh)

Legal Events

Date Code Title Description
ST Notification of lapse