FR1554989A - - Google Patents

Info

Publication number
FR1554989A
FR1554989A FR1554989DA FR1554989A FR 1554989 A FR1554989 A FR 1554989A FR 1554989D A FR1554989D A FR 1554989DA FR 1554989 A FR1554989 A FR 1554989A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1554989A publication Critical patent/FR1554989A/fr
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
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
FR1554989D 1967-01-30 1968-01-29 Expired FR1554989A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61249767A 1967-01-30 1967-01-30
US82154069A 1969-01-24 1969-01-24

Publications (1)

Publication Number Publication Date
FR1554989A true FR1554989A (enExample) 1969-01-24

Family

ID=27086773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1554989D Expired FR1554989A (enExample) 1967-01-30 1968-01-29

Country Status (3)

Country Link
US (2) US3491117A (enExample)
FR (1) FR1554989A (enExample)
GB (1) GB1161651A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306990A1 (fr) * 1975-04-10 1976-11-05 Ncr Co Composes chromogenes
US5655609A (en) * 1996-01-16 1997-08-12 Baroid Technology, Inc. Extension and retraction mechanism for subsurface drilling equipment

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491117A (en) * 1967-01-30 1970-01-20 Ncr Co Indole substituted pyromellitides
DE2147585C3 (de) * 1970-09-24 1979-07-26 Fuji Photo Film Co., Ltd., Ashigara, Kanagawa (Japan) Druckempfindliches Aufzeichnungsmaterial und Farbenrwicklerbeschichtungsmasse hierfür
GB1330984A (en) * 1970-09-28 1973-09-19 Fuji Photo Film Co Ltd Colour-developer compositions
US3769066A (en) * 1971-06-22 1973-10-30 Ncr Co Replacement of capsule contents
US3942903A (en) * 1973-02-27 1976-03-09 Glasrock Products, Inc. Unitary porous themoplastic writing nib
JPS5748397B2 (enExample) * 1973-10-12 1982-10-15
US4020056A (en) * 1975-04-10 1977-04-26 Ncr Corporation Di-vinyl phthalides color formers
JPS6054196B2 (ja) * 1978-08-09 1985-11-29 富士写真フイルム株式会社 記録シ−ト
US4417059A (en) * 1980-08-29 1983-11-22 Sterling Drug Inc. Diphenylamino and indolyl substituted pyromellitides
US4343493A (en) * 1980-08-29 1982-08-10 Sterling Drug Inc. Duplicating and marking systems
EP0261780A3 (en) * 1986-08-22 1989-07-19 Minnesota Mining And Manufacturing Company Hidden image system
US5932285A (en) * 1995-02-17 1999-08-03 Medlogic Global Corporation Encapsulated materials
US5849412A (en) * 1995-02-17 1998-12-15 Medlogic Global Corporation Encapsulated materials

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505486A (en) * 1944-01-31 1950-04-25 Ncr Co Process of making pressure sensitive record material
US3244549A (en) * 1961-08-31 1966-04-05 Burroughs Corp Manifold sheets coated with lactone and related chromogenous compounds and reactive phenolics and method of marking
US3268537A (en) * 1961-08-31 1966-08-23 Burroughs Corp Chromogenous aminophenyl derivatives of benzodifurandione
US3336337A (en) * 1961-08-31 1967-08-15 Burroughs Corp Chromogenous tetrakis(aminophenyl) derivatives of benzodifuran
US3455721A (en) * 1964-12-21 1969-07-15 Ncr Co Color sensitized record material comprising phenolic resin and acid type mineral
US3491117A (en) * 1967-01-30 1970-01-20 Ncr Co Indole substituted pyromellitides

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306990A1 (fr) * 1975-04-10 1976-11-05 Ncr Co Composes chromogenes
US5655609A (en) * 1996-01-16 1997-08-12 Baroid Technology, Inc. Extension and retraction mechanism for subsurface drilling equipment

Also Published As

Publication number Publication date
US3540914A (en) 1970-11-17
US3491117A (en) 1970-01-20
GB1161651A (en) 1969-08-20

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Legal Events

Date Code Title Description
ST Notification of lapse