GB1355972A - Developing composition and process - Google Patents

Developing composition and process

Info

Publication number
GB1355972A
GB1355972A GB1355972DA GB1355972A GB 1355972 A GB1355972 A GB 1355972A GB 1355972D A GB1355972D A GB 1355972DA GB 1355972 A GB1355972 A GB 1355972A
Authority
GB
United Kingdom
Prior art keywords
sulphonic acid
water
benzene
sulphonic
soluble
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
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.)
Polychrome Corp
Original Assignee
Polychrome Corp
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 Polychrome Corp filed Critical Polychrome Corp
Publication of GB1355972A publication Critical patent/GB1355972A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/26—Processing photosensitive materials; Apparatus therefor
    • G03F7/30—Imagewise removal using liquid means
    • G03F7/32—Liquid compositions therefor, e.g. developers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1355972 Developing lithographic plates POLYCHROME CORP 15 June 1971 28037/71 Heading G2C A developer composition, for developing an exposed light-sensitive, negative-acting lithographic plate to remove water-insoluble and organic solvent soluble light-sensitizer from a non-exposed area, comprises an aqueous solution of a water-soluble sulphonic acid or a water-soluble sulphonic acid salt and contains a water-miscible organic solvent in an amount up to 20 wt per cent based on the water content of the composition. The sulphonic acid or acid salt may be the sulphonic acids of benzene, toluene, naphthalene and ethane; 2, 5-dimethyl benzene sulphonic acid, 1-naphthol-2-(or -4-) sulphonic acid, 2, 4-dinitro-1-naphthol-7-sulphonic acid, 2-hydroxy-4-methoxy-benzophenone- 5-sulphonic acid, o-toluidine-m-sulphonic acid; benzene sodium sulphonate, m(p<SP>1</SP>-anilino-phenylazo)-benzene sodium sulphonate and alizarin sodium sulphonate. The developer may also contain a surfactant and phosphoric or oxalic acid. The light-sensitizer is the reaction product of a diazo-aromatic compound and a compound containing a hydroxy or sulphonic acid group e.g. p-diazo-diphenylamine reacted with formaldehyde zinc chloride and paraformaldehyde.
GB1355972D 1971-06-15 1971-06-15 Developing composition and process Expired GB1355972A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2803771 1971-06-15

Publications (1)

Publication Number Publication Date
GB1355972A true GB1355972A (en) 1974-06-12

Family

ID=10269250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1355972D Expired GB1355972A (en) 1971-06-15 1971-06-15 Developing composition and process

Country Status (1)

Country Link
GB (1) GB1355972A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385015A1 (en) * 1987-09-03 1990-09-05 W.R. Grace & Co.-Conn. Terpene-based solvents for washout of photopolymer printing plates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385015A1 (en) * 1987-09-03 1990-09-05 W.R. Grace & Co.-Conn. Terpene-based solvents for washout of photopolymer printing plates

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee