DD109635A5 - - Google Patents
Info
- Publication number
- DD109635A5 DD109635A5 DD176157A DD17615774A DD109635A5 DD 109635 A5 DD109635 A5 DD 109635A5 DD 176157 A DD176157 A DD 176157A DD 17615774 A DD17615774 A DD 17615774A DD 109635 A5 DD109635 A5 DD 109635A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
- C07D491/20—Spiro-condensed systems
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- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/26—Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic
-
- 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
- B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2303483A DE2303483A1 (de) | 1973-01-25 | 1973-01-25 | Lactone der benzazaxanthenreihe und farbbildner fuer kopierverfahren |
Publications (1)
Publication Number | Publication Date |
---|---|
DD109635A5 true DD109635A5 (xx) | 1974-11-12 |
Family
ID=5869871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD176157A DD109635A5 (xx) | 1973-01-25 | 1974-01-23 |
Country Status (11)
Country | Link |
---|---|
US (1) | US3946017A (xx) |
JP (1) | JPS49110721A (xx) |
BE (1) | BE810165A (xx) |
CA (1) | CA1019742A (xx) |
CH (1) | CH590288A5 (xx) |
DD (1) | DD109635A5 (xx) |
DE (1) | DE2303483A1 (xx) |
FR (1) | FR2215423B3 (xx) |
GB (1) | GB1454304A (xx) |
IT (1) | IT1002758B (xx) |
SE (1) | SE389118B (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4025505A (en) * | 1975-02-04 | 1977-05-24 | Ciba-Geigy Corporation | Aromatic dicarboxamides |
DE2734222A1 (de) * | 1977-07-29 | 1979-02-15 | Thomae Gmbh Dr K | Neue schwefelhaltige isochinolindione |
JPS5489817A (en) * | 1977-12-27 | 1979-07-17 | Fuji Photo Film Co Ltd | Recording material |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3822270A (en) * | 1971-08-09 | 1974-07-02 | Eastman Kodak Co | Pyrylium dyes having a fused,rigidized nitrogen-containing ring |
-
1973
- 1973-01-25 DE DE2303483A patent/DE2303483A1/de active Pending
-
1974
- 1974-01-22 SE SE7400821A patent/SE389118B/xx unknown
- 1974-01-22 FR FR7402084A patent/FR2215423B3/fr not_active Expired
- 1974-01-22 CA CA190,803A patent/CA1019742A/en not_active Expired
- 1974-01-22 CH CH85074A patent/CH590288A5/xx not_active IP Right Cessation
- 1974-01-23 DD DD176157A patent/DD109635A5/xx unknown
- 1974-01-24 GB GB331974A patent/GB1454304A/en not_active Expired
- 1974-01-24 US US05/436,043 patent/US3946017A/en not_active Expired - Lifetime
- 1974-01-24 IT IT47912/74A patent/IT1002758B/it active
- 1974-01-25 BE BE140181A patent/BE810165A/xx unknown
- 1974-01-25 JP JP49010326A patent/JPS49110721A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3946017A (en) | 1976-03-23 |
CA1019742A (en) | 1977-10-25 |
SE389118B (sv) | 1976-10-25 |
DE2303483A1 (de) | 1974-08-01 |
FR2215423A1 (xx) | 1974-08-23 |
JPS49110721A (xx) | 1974-10-22 |
CH590288A5 (xx) | 1977-07-29 |
FR2215423B3 (xx) | 1976-11-05 |
BE810165A (fr) | 1974-07-25 |
IT1002758B (it) | 1976-05-20 |
GB1454304A (en) | 1976-11-03 |