GB470909A - Improvements in processes for reproduction of designs - Google Patents

Improvements in processes for reproduction of designs

Info

Publication number
GB470909A
GB470909A GB11804/37A GB1180437A GB470909A GB 470909 A GB470909 A GB 470909A GB 11804/37 A GB11804/37 A GB 11804/37A GB 1180437 A GB1180437 A GB 1180437A GB 470909 A GB470909 A GB 470909A
Authority
GB
United Kingdom
Prior art keywords
processes
reproduction
designs
paper
hectograph
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
GB11804/37A
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.)
Ditto Inc
Original Assignee
Ditto Inc
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 Ditto Inc filed Critical Ditto Inc
Publication of GB470909A publication Critical patent/GB470909A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/04—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using solvent-soluble dyestuffs on the master sheets, e.g. alcohol-soluble

Abstract

470,909. Paper. DITTO, Inc. April 24, 1937, No. 11804. Convention date, May 23, 1936. [Class 96] [Also in Group XVI] Paper for use as copy-sheets in hectograph and like processes has incorporated therein during manufacture or applied thereto as a part of the surface coating or glaze, a small amount, e.g. 1 to 7 per cent, of bentonite to increase the fastness of the print to light and water.
GB11804/37A 1936-05-23 1937-04-24 Improvements in processes for reproduction of designs Expired GB470909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81514A US2088417A (en) 1936-05-23 1936-05-23 Method of securing light fastness in transfer copies

Publications (1)

Publication Number Publication Date
GB470909A true GB470909A (en) 1937-08-24

Family

ID=22164681

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11804/37A Expired GB470909A (en) 1936-05-23 1937-04-24 Improvements in processes for reproduction of designs

Country Status (2)

Country Link
US (1) US2088417A (en)
GB (1) GB470909A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537359A (en) * 1948-06-15 1951-01-09 Rembert A Marquardt Block out system for duplicating
US2757085A (en) * 1950-11-06 1956-07-31 Ncr Co Method for making paper filled with alumino-silicate
US2902399A (en) * 1950-11-06 1959-09-01 Ncr Co Filled paper
US3049994A (en) * 1959-10-19 1962-08-21 Ditto Inc Duplicating process
US3839956A (en) * 1970-07-30 1974-10-08 Bell & Howell Co Process for making dye transfer copies of improved quality
US3876496A (en) * 1973-05-14 1975-04-08 Ernesto B Lozano Method and means for protecting documents

Also Published As

Publication number Publication date
US2088417A (en) 1937-07-27

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