LU78774A1 - - Google Patents

Info

Publication number
LU78774A1
LU78774A1 LU78774A LU78774A LU78774A1 LU 78774 A1 LU78774 A1 LU 78774A1 LU 78774 A LU78774 A LU 78774A LU 78774 A LU78774 A LU 78774A LU 78774 A1 LU78774 A1 LU 78774A1
Authority
LU
Luxembourg
Application number
LU78774A
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 claimed from US05/821,927 external-priority patent/US4168378A/en
Priority claimed from US05/821,926 external-priority patent/US4182714A/en
Application filed filed Critical
Publication of LU78774A1 publication Critical patent/LU78774A1/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic 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
    • C07D307/87Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/90Benzo [c] furans; Hydrogenated benzo [c] furans with an oxygen atom in position 1 and a nitrogen atom in position 3, or vice versa
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/0253Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using a chemical colour-forming ink, e.g. chemical hectography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating 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
    • B41M5/132Chemical colour-forming components; Additives or binders therefor
    • B41M5/136Organic colour formers, e.g. leuco dyes
    • B41M5/145Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323Organic colour formers, e.g. leuco dyes
    • B41M5/327Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
LU78774A 1976-12-29 1977-12-23 LU78774A1 (xx)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US75518376A 1976-12-29 1976-12-29
US75537676A 1976-12-29 1976-12-29
US05/821,927 US4168378A (en) 1976-12-29 1977-08-04 3-(9-Julolidinyl)-3-(diphenylamino)phthalides
US05/821,926 US4182714A (en) 1976-12-29 1977-08-04 Carbazole containing phthalides

Publications (1)

Publication Number Publication Date
LU78774A1 true LU78774A1 (xx) 1978-07-11

Family

ID=27505669

Family Applications (1)

Application Number Title Priority Date Filing Date
LU78774A LU78774A1 (xx) 1976-12-29 1977-12-23

Country Status (16)

Country Link
JP (1) JPS5390255A (xx)
AR (1) AR221587A1 (xx)
AT (1) AT366037B (xx)
BE (1) BE862217A (xx)
BR (1) BR7708649A (xx)
CA (1) CA1082708A (xx)
CH (1) CH628923A5 (xx)
DE (1) DE2758771A1 (xx)
DK (1) DK580877A (xx)
ES (1) ES465507A1 (xx)
FR (1) FR2376144A1 (xx)
GB (1) GB1564559A (xx)
IE (1) IE46494B1 (xx)
IT (1) IT1092182B (xx)
LU (1) LU78774A1 (xx)
NL (1) NL7714563A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243250A (en) * 1979-06-14 1981-01-06 Sterling Drug Inc. Carbonless duplicating systems
US4211872A (en) 1978-12-11 1980-07-08 Hung William M Substituted furopyridinones and furopyrazinones
CA1137477A (en) * 1978-12-11 1982-12-14 Paul J. Schmidt Substituted furopyridinones and furopyrazinines as color formers in pressure- sensitive and thermal imaging systems
JPS6085986A (ja) * 1983-10-18 1985-05-15 Yamada Kagaku Kogyo Kk 発色性記録材料
JP5853381B2 (ja) 2011-03-09 2016-02-09 Tdk株式会社 アンテナ用磁性材料、並びに、アンテナ及び無線通信機器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE35853B1 (en) * 1970-05-15 1976-06-09 Hodogaya Chemical Co Ltd Novel phthalide compounds and their use as colour formers in pressure sensitive recording
GB1460751A (en) * 1973-05-21 1977-01-06 Ciba Geigy Ag 3-indolyl-3-phenyl-phthalide compounds their manufacture and their use
JPS5125529A (en) * 1974-08-28 1976-03-02 Hodogaya Chemical Co Ltd Futaridoshikiso no seizoho

Also Published As

Publication number Publication date
JPS625191B2 (xx) 1987-02-03
FR2376144B1 (xx) 1984-11-09
CH628923A5 (en) 1982-03-31
DE2758771A1 (de) 1978-07-06
ATA934177A (de) 1981-07-15
CA1082708A (en) 1980-07-29
AR221587A1 (es) 1981-02-27
BE862217A (fr) 1978-06-22
IT1092182B (it) 1985-07-06
GB1564559A (en) 1980-04-10
NL7714563A (nl) 1978-07-03
IE46494B1 (en) 1983-06-29
JPS5390255A (en) 1978-08-08
IE46494L (en) 1978-06-29
ES465507A1 (es) 1978-12-01
BR7708649A (pt) 1978-08-01
AT366037B (de) 1982-03-10
DK580877A (da) 1978-06-30
FR2376144A1 (fr) 1978-07-28

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