CA984847A - Tetrahalogenated chromogenic compounds and their use - Google Patents

Tetrahalogenated chromogenic compounds and their use

Info

Publication number
CA984847A
CA984847A CA136,362A CA136362A CA984847A CA 984847 A CA984847 A CA 984847A CA 136362 A CA136362 A CA 136362A CA 984847 A CA984847 A CA 984847A
Authority
CA
Canada
Prior art keywords
tetrahalogenated
chromogenic compounds
chromogenic
compounds
tetrahalogenated chromogenic
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
CA136,362A
Other versions
CA136362S (en
Inventor
Sheldon Farber
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
Original Assignee
NCR Corp
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 filed Critical NCR Corp
Application granted granted Critical
Publication of CA984847A publication Critical patent/CA984847A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
    • C07D307/885—3,3-Diphenylphthalides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Color Printing (AREA)
  • Indole Compounds (AREA)
  • Furan Compounds (AREA)
  • Photoreceptors In Electrophotography (AREA)
CA136,362A 1971-04-27 1972-03-06 Tetrahalogenated chromogenic compounds and their use Expired CA984847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13795271A 1971-04-27 1971-04-27

Publications (1)

Publication Number Publication Date
CA984847A true CA984847A (en) 1976-03-02

Family

ID=22479769

Family Applications (1)

Application Number Title Priority Date Filing Date
CA136,362A Expired CA984847A (en) 1971-04-27 1972-03-06 Tetrahalogenated chromogenic compounds and their use

Country Status (12)

Country Link
US (1) US3736337A (en)
JP (6) JPS5525996B1 (en)
AU (1) AU459132B2 (en)
BE (1) BE782653A (en)
CA (1) CA984847A (en)
CH (1) CH606276A5 (en)
DE (2) DE2265772C2 (en)
ES (1) ES402057A1 (en)
FR (1) FR2136694A5 (en)
GB (1) GB1349503A (en)
IT (1) IT954848B (en)
ZA (1) ZA722506B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102893A (en) * 1971-11-26 1978-07-25 Ciba-Geigy Ag Process for the manufacture of color formers of indoles and anhydrides of aromatic or heteroaromatic, vicinal dicarboxylic acids, new color formers of these classes of substance and their use
US4186134A (en) * 1973-05-21 1980-01-29 Ciba-Geigy Corporation 3-Indolyl-3-phenyl-phthalides
GB1460151A (en) * 1973-05-21 1976-12-31 Ciba Geigy Nitrophthalides their mahufacture and their use in recording systems-
GB1460751A (en) * 1973-05-21 1977-01-06 Ciba Geigy Ag 3-indolyl-3-phenyl-phthalide compounds their manufacture and their use
GB1467898A (en) * 1974-04-09 1977-03-23 Ciba Geigy Ag Heterocyclic substituted lactone compounds their manufacture and use
US4020056A (en) * 1975-04-10 1977-04-26 Ncr Corporation Di-vinyl phthalides color formers
US4026883A (en) * 1975-04-10 1977-05-31 Ncr Corporation Derivatives of dianhydrides as vinyl color formers
US4016174A (en) * 1975-04-10 1977-04-05 Ncr Corporation Benzoindole phthalides
CH594511A5 (en) * 1976-01-16 1978-01-13 Ciba Geigy Ag
US4189171A (en) * 1977-03-01 1980-02-19 Sterling Drug Inc. Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides
JPS553804A (en) * 1978-06-23 1980-01-11 Denpatsu Furaiatsushiyu Kk Manufacture of granular active substance
US4275206A (en) * 1979-03-05 1981-06-23 Appleton Papers Inc. Lactone compounds containing an indolizine radical
JPS6085986A (en) * 1983-10-18 1985-05-15 Yamada Kagaku Kogyo Kk Color forming recording material
JPS6216914A (en) * 1985-07-12 1987-01-26 Seiko Giken Kk Transfer method for powdery granule by exclusive transporting device
US4808567A (en) * 1986-04-15 1989-02-28 Yamada Chemical Co., Ltd. Divinyl compounds and chromogenic recording-material prepared by using thereof
US4835291A (en) * 1986-04-16 1989-05-30 Yamada Chemical Co., Ltd. Divinyl compounds and chromogenic recording-material prepared by using thereof
JPS6367179A (en) * 1986-09-08 1988-03-25 Fuji Photo Film Co Ltd Recording sheet
JPS6367180A (en) * 1986-09-09 1988-03-25 Fuji Photo Film Co Ltd Recording sheet
EP0787764B1 (en) * 1996-02-03 2003-04-09 Mitsubishi Gas Chemical Company, Inc. Oxygen-absorbing resin composition and packing material, multi-layered packing material, package and packing method using the same
WO1998000077A1 (en) * 1996-07-02 1998-01-08 Japan Pionics Co., Ltd. Sheet-shaped heating element and method of manufacturing same
DE69909902T2 (en) 1998-06-03 2004-05-06 Mitsubishi Gas Chemical Co., Inc. Oxygen absorbing composition, oxygen absorbing resin and preservation method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491112A (en) * 1967-01-30 1970-01-20 Ncr Co 3-(phenyl)-3-(heterocyclic-substituted)-phthalides
JPS4833208A (en) * 1971-09-03 1973-05-08
JPS5127251B2 (en) * 1972-06-02 1976-08-11
JPS4916727A (en) * 1972-06-03 1974-02-14

Also Published As

Publication number Publication date
BE782653A (en) 1972-08-16
CH606276A5 (en) 1978-10-31
US3736337A (en) 1973-05-29
ES402057A1 (en) 1975-03-16
JPS5945516B2 (en) 1984-11-07
DE2218895A1 (en) 1972-11-09
JPS5948756B2 (en) 1984-11-28
GB1349503A (en) 1974-04-03
JPS5829239B2 (en) 1983-06-21
JPS5633979A (en) 1981-04-04
DE2265772C2 (en) 1983-09-22
JPS5525996B1 (en) 1980-07-10
AU4121272A (en) 1973-10-25
JPS5633980A (en) 1981-04-04
JPS5633981A (en) 1981-04-04
JPS5633982A (en) 1981-04-04
ZA722506B (en) 1973-01-31
FR2136694A5 (en) 1972-12-22
DE2265772A1 (en) 1982-09-16
AU459132B2 (en) 1975-02-26
IT954848B (en) 1973-09-15
JPS5633978A (en) 1981-04-04
DE2218895C2 (en) 1983-12-08

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