GB700109A - Method of producing visual indications on record material - Google Patents

Method of producing visual indications on record material

Info

Publication number
GB700109A
GB700109A GB1032/51A GB103251A GB700109A GB 700109 A GB700109 A GB 700109A GB 1032/51 A GB1032/51 A GB 1032/51A GB 103251 A GB103251 A GB 103251A GB 700109 A GB700109 A GB 700109A
Authority
GB
United Kingdom
Prior art keywords
weight
attapulgite
parts
water
visual indications
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
GB1032/51A
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Publication of GB700109A publication Critical patent/GB700109A/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
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/128—Desensitisers; Compositions for fault correction, detection or identification of the layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/29—Printing involving a color-forming phenomenon

Landscapes

  • Paper (AREA)
  • Color Printing (AREA)
GB1032/51A 1950-01-18 1951-01-15 Method of producing visual indications on record material Expired GB700109A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US139323A US2695245A (en) 1950-01-18 1950-01-18 Process of recording by decoloring

Publications (1)

Publication Number Publication Date
GB700109A true GB700109A (en) 1953-11-25

Family

ID=22486101

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1032/51A Expired GB700109A (en) 1950-01-18 1951-01-15 Method of producing visual indications on record material

Country Status (6)

Country Link
US (1) US2695245A (fr)
BE (1) BE500662A (fr)
CH (1) CH292825A (fr)
DE (1) DE855406C (fr)
FR (1) FR1031089A (fr)
GB (1) GB700109A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852270A1 (de) * 1977-12-02 1979-06-07 Barry Graham Charles Mit geheimtinte versehenes blattmaterial, sowie entwickler und loeschsubstanzen fuer geheimtinte

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755203A (en) * 1954-02-03 1956-07-17 Du Pont Process of converting a polyamino-triarylmethane dye coating on a base from a stabilized leuco form to a colored form
BE542642A (fr) * 1954-11-09
US3079271A (en) * 1959-07-22 1963-02-26 Allied Chem Pressure sensitive sheet record material and method of making
US3364052A (en) * 1965-02-17 1968-01-16 Frank D. Martino Method for desensitizing sensitized record sheets and resultant article
US3414423A (en) * 1965-11-04 1968-12-03 Eastman Kodak Co Process for erasing and regenerating thermographic materials
US4199618A (en) * 1975-09-02 1980-04-22 Champion International Corporation Hidden entry system
USRE30803E (en) * 1977-11-09 1981-11-24 Scott Paper Company Colorless recording paper
USRE30797E (en) * 1977-11-09 1981-11-17 Scott Paper Company Associated dye salts and method of forming colored indicia therewith
JP2770409B2 (ja) * 1989-04-28 1998-07-02 ソニー株式会社 表示組成物、着色顔料および記録材
US5179065A (en) * 1989-04-28 1993-01-12 Sony Corporation Recording material with a display composition including a coloring pigment
NL1029806C2 (nl) 2005-08-25 2007-02-27 Reich Benelux Office Aandrijfrol en hulpaandrijving voorzien van een dergelijke aandrijfrol.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1971683A (en) * 1930-04-19 1934-08-28 Nat Aniline & Chem Co Inc Colored coal and process of producing the same
US2208288A (en) * 1938-07-11 1940-07-16 Robert N Cook Ink for writing on blueprints
US2331575A (en) * 1940-08-03 1943-10-12 George La Monte & Son Safety paper and method of making same
US2505481A (en) * 1944-01-31 1950-04-25 Ncr Co Process of making pressure sensitive record material
US2484019A (en) * 1945-08-06 1949-10-11 Devores Edward Process for correcting negatives
US2550468A (en) * 1948-07-13 1951-04-24 Ncr Co Manifold record material and process for making it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852270A1 (de) * 1977-12-02 1979-06-07 Barry Graham Charles Mit geheimtinte versehenes blattmaterial, sowie entwickler und loeschsubstanzen fuer geheimtinte

Also Published As

Publication number Publication date
CH292825A (fr) 1953-08-31
US2695245A (en) 1954-11-23
FR1031089A (fr) 1953-06-19
DE855406C (de) 1952-11-13
BE500662A (fr)

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