GB374735A - Improvements in anti-halation layers for photographic plates and films - Google Patents

Improvements in anti-halation layers for photographic plates and films

Info

Publication number
GB374735A
GB374735A GB26575/31A GB2657531A GB374735A GB 374735 A GB374735 A GB 374735A GB 26575/31 A GB26575/31 A GB 26575/31A GB 2657531 A GB2657531 A GB 2657531A GB 374735 A GB374735 A GB 374735A
Authority
GB
United Kingdom
Prior art keywords
films
photographic plates
halation layers
halation
layers
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
GB26575/31A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB374735A publication Critical patent/GB374735A/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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • 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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/7614—Cover layers; Backing layers; Base or auxiliary layers characterised by means for lubricating, for rendering anti-abrasive or for preventing adhesion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/156—Precursor compound
    • Y10S430/16—Blocked developers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The compound <PICT:0374735/IV/1> is obtained by condensing p-cresol dialcohol with p-cresolcarboxylic acid in the presence of concentrated hydrochloric acid.
GB26575/31A 1930-11-01 1931-09-23 Improvements in anti-halation layers for photographic plates and films Expired GB374735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE547599T 1930-11-01

Publications (1)

Publication Number Publication Date
GB374735A true GB374735A (en) 1932-06-16

Family

ID=34427999

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26575/31A Expired GB374735A (en) 1930-11-01 1931-09-23 Improvements in anti-halation layers for photographic plates and films

Country Status (4)

Country Link
US (1) US2075144A (en)
DE (1) DE547599C (en)
FR (1) FR724619A (en)
GB (1) GB374735A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744882A (en) * 1949-01-26 1956-05-08 Union Carbide & Carbon Corp Unsymmetrical diphenylol methanes
US2548982A (en) * 1949-03-18 1951-04-17 Dominion Tar & Chemical Co Polyaryl polyparaffins
US2849325A (en) * 1952-06-28 1958-08-26 Hercules Powder Co Ltd Stabilized cellulose ether composition

Also Published As

Publication number Publication date
FR724619A (en) 1932-04-29
US2075144A (en) 1937-03-30
DE547599C (en) 1932-03-26

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