JPS5611594B2 - - Google Patents
Info
- Publication number
- JPS5611594B2 JPS5611594B2 JP4440373A JP4440373A JPS5611594B2 JP S5611594 B2 JPS5611594 B2 JP S5611594B2 JP 4440373 A JP4440373 A JP 4440373A JP 4440373 A JP4440373 A JP 4440373A JP S5611594 B2 JPS5611594 B2 JP S5611594B2
- Authority
- JP
- Japan
- 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
Links
Classifications
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4440373A JPS5611594B2 (US06265458-20010724-C00033.png) | 1973-04-19 | 1973-04-19 | |
| US05/461,769 US3930671A (en) | 1973-04-19 | 1974-04-17 | Color former and pressure-sensitive copying paper |
| DE2418953A DE2418953A1 (de) | 1973-04-19 | 1974-04-19 | 1,3-dihydro-l-oxo-benzo- (eckige klammer auf) b (eckige klammer zu) -thieno- (eckige klammer auf) 2,3-c (eckige klammer zu) furanderivate und diese enthaltende druckempfindliche kopierpapiere |
| GB1737474A GB1421103A (en) | 1973-04-19 | 1974-04-19 | Benzothienofurans and their use as colour-formers for pressure- sensitive recording material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4440373A JPS5611594B2 (US06265458-20010724-C00033.png) | 1973-04-19 | 1973-04-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49133114A JPS49133114A (US06265458-20010724-C00033.png) | 1974-12-20 |
| JPS5611594B2 true JPS5611594B2 (US06265458-20010724-C00033.png) | 1981-03-16 |
Family
ID=12690531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4440373A Expired JPS5611594B2 (US06265458-20010724-C00033.png) | 1973-04-19 | 1973-04-19 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3930671A (US06265458-20010724-C00033.png) |
| JP (1) | JPS5611594B2 (US06265458-20010724-C00033.png) |
| DE (1) | DE2418953A1 (US06265458-20010724-C00033.png) |
| GB (1) | GB1421103A (US06265458-20010724-C00033.png) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3331854A (en) * | 1964-12-14 | 1967-07-18 | American Cyanamid Co | Novel furan and thiophene compounds |
| IE33221B1 (en) * | 1968-07-15 | 1974-04-17 | Fuji Photo Film Co Ltd | Pressure-sensitive copying paper |
| US3849164A (en) * | 1970-11-16 | 1974-11-19 | Ncr | Pressure-sensitive record unit comprising a mixture of two chromogenic compounds |
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1973
- 1973-04-19 JP JP4440373A patent/JPS5611594B2/ja not_active Expired
-
1974
- 1974-04-17 US US05/461,769 patent/US3930671A/en not_active Expired - Lifetime
- 1974-04-19 DE DE2418953A patent/DE2418953A1/de not_active Withdrawn
- 1974-04-19 GB GB1737474A patent/GB1421103A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2418953A1 (de) | 1974-11-07 |
| US3930671A (en) | 1976-01-06 |
| JPS49133114A (US06265458-20010724-C00033.png) | 1974-12-20 |
| GB1421103A (en) | 1976-01-14 |
