GB386338A - Improvements in and relating to type-writing and multiple-copying processes - Google Patents

Improvements in and relating to type-writing and multiple-copying processes

Info

Publication number
GB386338A
GB386338A GB2021131A GB2021131A GB386338A GB 386338 A GB386338 A GB 386338A GB 2021131 A GB2021131 A GB 2021131A GB 2021131 A GB2021131 A GB 2021131A GB 386338 A GB386338 A GB 386338A
Authority
GB
United Kingdom
Prior art keywords
acid
paper
tungstic
gallo
silico
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
GB2021131A
Other languages
English (en)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 FR741963D priority Critical patent/FR741963A/fr
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB2021131A priority patent/GB386338A/en
Priority to DEI42556D priority patent/DE575269C/de
Publication of GB386338A publication Critical patent/GB386338A/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

Landscapes

  • Credit Cards Or The Like (AREA)
  • Color Printing (AREA)
  • Duplication Or Marking (AREA)
GB2021131A 1931-07-14 1931-07-14 Improvements in and relating to type-writing and multiple-copying processes Expired GB386338A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR741963D FR741963A (enrdf_load_html_response) 1931-07-14
GB2021131A GB386338A (en) 1931-07-14 1931-07-14 Improvements in and relating to type-writing and multiple-copying processes
DEI42556D DE575269C (de) 1931-07-14 1931-09-11 Verfahren zum Herstellen lichtechter Schreibmaschinenschriftstuecke und Kopien

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2021131A GB386338A (en) 1931-07-14 1931-07-14 Improvements in and relating to type-writing and multiple-copying processes

Publications (1)

Publication Number Publication Date
GB386338A true GB386338A (en) 1933-01-16

Family

ID=10142254

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2021131A Expired GB386338A (en) 1931-07-14 1931-07-14 Improvements in and relating to type-writing and multiple-copying processes

Country Status (3)

Country Link
DE (1) DE575269C (enrdf_load_html_response)
FR (1) FR741963A (enrdf_load_html_response)
GB (1) GB386338A (enrdf_load_html_response)

Also Published As

Publication number Publication date
FR741963A (enrdf_load_html_response) 1933-02-23
DE575269C (de) 1933-04-26

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