ZA724233B - Colourless colour formers for use in copying processes - Google Patents
Colourless colour formers for use in copying processesInfo
- Publication number
- ZA724233B ZA724233B ZA724233A ZA724233A ZA724233B ZA 724233 B ZA724233 B ZA 724233B ZA 724233 A ZA724233 A ZA 724233A ZA 724233 A ZA724233 A ZA 724233A ZA 724233 B ZA724233 B ZA 724233B
- Authority
- ZA
- South Africa
- Prior art keywords
- copying processes
- colour formers
- colourless colour
- colourless
- formers
- Prior art date
Links
Classifications
-
- 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
- C09B11/02—Diaryl- or thriarylmethane dyes derived from diarylmethanes
-
- 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
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
- B41M5/0253—Duplicating 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
- C07C309/46—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
- C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
- C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
- C07C2603/18—Fluorenes; Hydrogenated fluorenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogenated Pyridines (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2990871 | 1971-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA724233B true ZA724233B (en) | 1973-05-30 |
Family
ID=10299167
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA724186A ZA724186B (en) | 1971-06-25 | 1972-06-19 | Spirit reproducing carbon papers |
ZA724233A ZA724233B (en) | 1971-06-25 | 1972-06-20 | Colourless colour formers for use in copying processes |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA724186A ZA724186B (en) | 1971-06-25 | 1972-06-19 | Spirit reproducing carbon papers |
Country Status (14)
Country | Link |
---|---|
AR (1) | AR193997A1 (en) |
AU (1) | AU4383372A (en) |
BE (2) | BE785403A (en) |
BR (2) | BR7204129D0 (en) |
CH (1) | CH577390A5 (en) |
CS (1) | CS156547B2 (en) |
DD (2) | DD100485A5 (en) |
DE (1) | DE2231135A1 (en) |
ES (1) | ES404239A1 (en) |
FR (2) | FR2143446B1 (en) |
IT (2) | IT959969B (en) |
LU (2) | LU65574A1 (en) |
NL (2) | NL7208639A (en) |
ZA (2) | ZA724186B (en) |
-
1972
- 1972-06-19 ZA ZA724186A patent/ZA724186B/en unknown
- 1972-06-20 ZA ZA724233A patent/ZA724233B/en unknown
- 1972-06-22 LU LU65574D patent/LU65574A1/xx unknown
- 1972-06-22 LU LU65575D patent/LU65575A1/xx unknown
- 1972-06-23 BR BR4129/72A patent/BR7204129D0/en unknown
- 1972-06-23 BE BE785403A patent/BE785403A/en unknown
- 1972-06-23 FR FR727222909A patent/FR2143446B1/fr not_active Expired
- 1972-06-23 BR BR4130/72A patent/BR7204130D0/en unknown
- 1972-06-23 AU AU43833/72A patent/AU4383372A/en not_active Expired
- 1972-06-23 BE BE785402A patent/BE785402A/en unknown
- 1972-06-23 FR FR7222908A patent/FR2143445A1/en active Granted
- 1972-06-23 NL NL7208639A patent/NL7208639A/xx unknown
- 1972-06-23 CH CH944572A patent/CH577390A5/xx not_active IP Right Cessation
- 1972-06-23 NL NL7208640A patent/NL7208640A/xx unknown
- 1972-06-23 AR AR242744A patent/AR193997A1/en active
- 1972-06-24 ES ES404239A patent/ES404239A1/en not_active Expired
- 1972-06-24 IT IT26198/72A patent/IT959969B/en active
- 1972-06-24 IT IT26192/72A patent/IT968397B/en active
- 1972-06-26 CS CS450072A patent/CS156547B2/cs unknown
- 1972-06-26 DD DD163976A patent/DD100485A5/xx unknown
- 1972-06-26 DE DE2231135A patent/DE2231135A1/en active Pending
- 1972-06-26 DD DD163974A patent/DD98045A5/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7208640A (en) | 1972-12-28 |
LU65574A1 (en) | 1972-10-26 |
FR2143445B1 (en) | 1973-07-13 |
BE785403A (en) | 1972-12-27 |
IT968397B (en) | 1974-03-20 |
DE2231136B2 (en) | 1977-04-28 |
FR2143446A1 (en) | 1973-02-02 |
CS156547B2 (en) | 1974-07-24 |
DD98045A5 (en) | 1973-06-05 |
IT959969B (en) | 1973-11-10 |
DE2231136A1 (en) | 1973-01-11 |
ES404239A1 (en) | 1975-05-16 |
AR193997A1 (en) | 1973-06-12 |
FR2143445A1 (en) | 1973-02-02 |
ZA724186B (en) | 1973-05-30 |
NL7208639A (en) | 1972-12-28 |
AU4383372A (en) | 1974-01-03 |
DE2231135A1 (en) | 1973-01-11 |
BR7204130D0 (en) | 1973-06-05 |
DD100485A5 (en) | 1973-09-20 |
BE785402A (en) | 1972-12-27 |
LU65575A1 (en) | 1972-10-26 |
CH577390A5 (en) | 1976-07-15 |
BR7204129D0 (en) | 1973-06-14 |
FR2143446B1 (en) | 1973-07-13 |
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