GB357548A - Improvements in or relating to carbon and like processes employed in colour photography - Google Patents

Improvements in or relating to carbon and like processes employed in colour photography

Info

Publication number
GB357548A
GB357548A GB19127/30A GB1912730A GB357548A GB 357548 A GB357548 A GB 357548A GB 19127/30 A GB19127/30 A GB 19127/30A GB 1912730 A GB1912730 A GB 1912730A GB 357548 A GB357548 A GB 357548A
Authority
GB
United Kingdom
Prior art keywords
water
colloid
carbon
stripping
colour
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
GB19127/30A
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.)
Colour Photographs British & F
WILLIAM GEORGE CLARE
Original Assignee
Colour Photographs British & F
WILLIAM GEORGE CLARE
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 Colour Photographs British & F, WILLIAM GEORGE CLARE filed Critical Colour Photographs British & F
Priority to GB19127/30A priority Critical patent/GB357548A/en
Priority to US541686A priority patent/US1891571A/en
Publication of GB357548A publication Critical patent/GB357548A/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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/20—Subtractive colour processes using differently sensitised films, each coated on its own base, e.g. bipacks, tripacks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printing Methods (AREA)
  • Laminated Bodies (AREA)

Abstract

357,548. Photographic processes. OLIVER, L. W., CLARE, W. G., and COLOUR PHOTOGRAPHS (BRITISH & FOREIGN), Ltd., Victoria Road, Willesden, London. June 23, 1930, No. 19127. [Class 98 (ii).] Bichromated colloid and catatype processes; photomechanical printing surfaces.-In the production, more especially for colour photography, of colloid relief images by a differential hardening process such as the carbon or " carbro " process, the colloid image layers are carried during development on temporary supports of regenerated cellulose (e.g. " cellophane "), which is transparent, homogeneous, permeable to water, and retentive of its strength and toughness when wet, and are transferred after development to a final support of paper, ivory, glass, canvas, silk, metal, &c. The transfer process comprises (1) soaking the developed sheet in water, (2) placing it face downwards on the final support after coating this with an adhesive such as dilute gelatin solution, (3) drying partially or completely, and if desired immersing in a hardening bath of alum, formalin or acrolein, and (4) stripping off the temporary support. If the intermediate drying step is carried-to completion, stripping may be preceded by immersion in water only. The relief images may be used as etching resists for photogravure, after transfer to metal supports, and may be used, in particular, for producing roller printing- surfaces. Specification 340,605 is referred to.
GB19127/30A 1930-06-23 1930-06-23 Improvements in or relating to carbon and like processes employed in colour photography Expired GB357548A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB19127/30A GB357548A (en) 1930-06-23 1930-06-23 Improvements in or relating to carbon and like processes employed in colour photography
US541686A US1891571A (en) 1930-06-23 1931-06-02 Printing process employed in color photography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19127/30A GB357548A (en) 1930-06-23 1930-06-23 Improvements in or relating to carbon and like processes employed in colour photography

Publications (1)

Publication Number Publication Date
GB357548A true GB357548A (en) 1931-09-23

Family

ID=10124196

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19127/30A Expired GB357548A (en) 1930-06-23 1930-06-23 Improvements in or relating to carbon and like processes employed in colour photography

Country Status (2)

Country Link
US (1) US1891571A (en)
GB (1) GB357548A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402534A1 (en) * 1977-09-12 1979-04-06 Standex Int Corp PROCESS FOR MAKING RELIEF PATTERNS ON SURFACES, ESPECIALLY ON MOLDS, CYLINDERS OR DIES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402534A1 (en) * 1977-09-12 1979-04-06 Standex Int Corp PROCESS FOR MAKING RELIEF PATTERNS ON SURFACES, ESPECIALLY ON MOLDS, CYLINDERS OR DIES

Also Published As

Publication number Publication date
US1891571A (en) 1932-12-20

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