GB729454A - Improvements in photographic materials - Google Patents

Improvements in photographic materials

Info

Publication number
GB729454A
GB729454A GB1051952A GB1051952A GB729454A GB 729454 A GB729454 A GB 729454A GB 1051952 A GB1051952 A GB 1051952A GB 1051952 A GB1051952 A GB 1051952A GB 729454 A GB729454 A GB 729454A
Authority
GB
United Kingdom
Prior art keywords
photographic materials
polymerized
acetone
solvents
catalyst
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
GB1051952A
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.)
Kodak Ltd
Original Assignee
Kodak Ltd
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 to BE519493D priority Critical patent/BE519493A/xx
Application filed by Kodak Ltd filed Critical Kodak Ltd
Priority to GB1051952A priority patent/GB729454A/en
Priority to FR1076453D priority patent/FR1076453A/en
Publication of GB729454A publication Critical patent/GB729454A/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
    • 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
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Methacrylic acid is polymerized in solvents such as methyl formate, acetone or methylene dichloride using benzoyl peroxide as catalyst.
GB1051952A 1952-04-25 1952-04-25 Improvements in photographic materials Expired GB729454A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE519493D BE519493A (en) 1952-04-25
GB1051952A GB729454A (en) 1952-04-25 1952-04-25 Improvements in photographic materials
FR1076453D FR1076453A (en) 1952-04-25 1953-04-25 New photographic products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1051952A GB729454A (en) 1952-04-25 1952-04-25 Improvements in photographic materials

Publications (1)

Publication Number Publication Date
GB729454A true GB729454A (en) 1955-05-04

Family

ID=9969323

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1051952A Expired GB729454A (en) 1952-04-25 1952-04-25 Improvements in photographic materials

Country Status (3)

Country Link
BE (1) BE519493A (en)
FR (1) FR1076453A (en)
GB (1) GB729454A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800466C3 (en) * 1978-01-05 1981-12-03 Agfa-Gevaert Ag, 5090 Leverkusen Photographic material

Also Published As

Publication number Publication date
BE519493A (en)
FR1076453A (en) 1954-10-27

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