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.)
FRANK EDWARD SMITH and PETER JOHN SMITH LESLIE EDWARD LAWSON
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.)
Howson Algraphy Ltd
Original Assignee
Howson Algraphy 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
Application filed by Howson Algraphy LtdfiledCriticalHowson Algraphy Ltd
Priority to AU48277/68ApriorityCriticalpatent/AU424530B2/en
Publication of AU4827768ApublicationCriticalpatent/AU4827768A/en
Application grantedgrantedCritical
Publication of AU424530B2publicationCriticalpatent/AU424530B2/en
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
G03F7/004—Photosensitive materials
G03F7/022—Quinonediazides
AU48277/68A1968-12-231968-12-23Improvements in or relating to lithographic printing plates
ExpiredAU424530B2
(en)