FR1573549A - - Google Patents

Info

Publication number
FR1573549A
FR1573549A FR1573549DA FR1573549A FR 1573549 A FR1573549 A FR 1573549A FR 1573549D A FR1573549D A FR 1573549DA FR 1573549 A FR1573549 A FR 1573549A
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
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
Application granted granted Critical
Publication of FR1573549A publication Critical patent/FR1573549A/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)
FR1573549D 1967-06-09 1968-07-09 Expired FR1573549A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3687767 1967-06-09

Publications (1)

Publication Number Publication Date
FR1573549A true FR1573549A (fr) 1969-07-04

Family

ID=12481997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1573549D Expired FR1573549A (fr) 1967-06-09 1968-07-09

Country Status (2)

Country Link
US (1) US3578680A (fr)
FR (1) FR1573549A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114634546B (zh) * 2022-03-22 2023-07-28 湖州学院 一种由红色到近红外的高发光力致变色材料及其制备方法

Also Published As

Publication number Publication date
US3578680A (en) 1971-05-11

Similar Documents

Publication Publication Date Title
AU425114B2 (fr)
AT298283B (fr)
AU416737B2 (fr)
AU1273466A (fr)
AU610966A (fr)
BE692779A (fr)
BE692577A (fr)
BE711226A (fr)
BE711030A (fr)
BE710610A (fr)
BE710607A (fr)
BE710333A (fr)
BE709852A (fr)
AU97666A (fr)
BE709653A (fr)
BE709618A (fr)
BE708875A (fr)
BE708774A (fr)
BE708523A (fr)
BE706246A (fr)
BE704979A (fr)
BE704889A (fr)
BE704021A (fr)
BE692493A (fr)
BE692778A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse