BE812406A - Compose de lactone d'acide pyridine-carboxylique et papier de copie sensible a la pression en contenant - Google Patents
Compose de lactone d'acide pyridine-carboxylique et papier de copie sensible a la pression en contenantInfo
- Publication number
- BE812406A BE812406A BE142096A BE142096A BE812406A BE 812406 A BE812406 A BE 812406A BE 142096 A BE142096 A BE 142096A BE 142096 A BE142096 A BE 142096A BE 812406 A BE812406 A BE 812406A
- Authority
- BE
- Belgium
- Prior art keywords
- carboxylic acid
- pressure sensitive
- paper container
- copy paper
- lactone compound
- Prior art date
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
- C07D491/02—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 two hetero rings
- C07D491/04—Ortho-condensed systems
-
- 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
-
- 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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Plural Heterocyclic Compounds (AREA)
- Color Printing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48029468A JPS49118514A (es) | 1973-03-15 | 1973-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE812406A true BE812406A (fr) | 1974-07-01 |
Family
ID=12276921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE142096A BE812406A (fr) | 1973-03-15 | 1974-03-15 | Compose de lactone d'acide pyridine-carboxylique et papier de copie sensible a la pression en contenant |
Country Status (5)
Country | Link |
---|---|
US (1) | US3916070A (es) |
JP (1) | JPS49118514A (es) |
BE (1) | BE812406A (es) |
DE (1) | DE2412640C3 (es) |
GB (1) | GB1425547A (es) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4211872A (en) * | 1978-12-11 | 1980-07-08 | Hung William M | Substituted furopyridinones and furopyrazinones |
US4243250A (en) * | 1979-06-14 | 1981-01-06 | Sterling Drug Inc. | Carbonless duplicating systems |
US4337340A (en) | 1979-06-14 | 1982-06-29 | Sterling Drug Inc. | Processes for preparing substituted furopyridinones and furopyrazinones |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4046941A (en) * | 1972-09-27 | 1977-09-06 | Sanko Chemical Company Ltd. | Support sheet with sensitized coating of organic acid substance and organic high molecular compound particulate mixture |
JPS585210B2 (ja) * | 1973-07-24 | 1983-01-29 | 保土谷化学工業株式会社 | シキソ ノ セイソクウホウホウ |
AT340954B (de) * | 1975-06-06 | 1978-01-10 | Koreska Ges Mbh W | Ubertragungsmaterial |
US4232887A (en) * | 1979-03-05 | 1980-11-11 | Appleton Papers Inc. | Lactone compounds containing an indolizine radical |
US4242513A (en) * | 1979-03-05 | 1980-12-30 | Appleton Papers Inc. | Lactone compounds containing a heterocyclic radical |
EP0036117B1 (de) * | 1980-03-14 | 1986-02-05 | Spezial-Papiermaschinenfabrik August Alfred Krupp GmbH & Co | Druckempfindliches Aufzeichnungsmaterial |
JPS56151597A (en) * | 1980-04-28 | 1981-11-24 | Yamamoto Kagaku Gosei Kk | Recording material |
JPS5798391A (en) * | 1980-12-12 | 1982-06-18 | Mitsui Toatsu Chem Inc | Microcapsule liquid containing coloring matter for recording material |
CH652733A5 (de) * | 1983-04-07 | 1985-11-29 | Ciba Geigy Ag | Verfahren zur herstellung von 4-azaphthalidverbindungen. |
US4668790A (en) * | 1981-12-23 | 1987-05-26 | Ciba-Geigy Corporation | Chromogenic dihydrofuropyridinones |
US4508897A (en) * | 1981-12-23 | 1985-04-02 | Ciba Geigy Corporation | Preparation of chromogenic azaphthalides |
CH653353A5 (de) * | 1983-05-09 | 1985-12-31 | Ciba Geigy Ag | Chromogene 3,3-bisindolyl-4-azaphthalide. |
CH664578A5 (de) * | 1985-01-15 | 1988-03-15 | Ciba Geigy Ag | Ringsubstituierte 4-azaphthalide. |
ES2167303T3 (es) * | 1986-10-28 | 2002-05-16 | Ciba Sc Holding Ag | Ftalidas cromogenas. |
US20050165131A1 (en) * | 2003-10-06 | 2005-07-28 | Terry Stovold | Invisible ink |
WO2005037905A1 (en) * | 2003-10-06 | 2005-04-28 | Nocopi Technologies, Inc. | Invisible ink |
US8053494B2 (en) * | 2003-10-06 | 2011-11-08 | Nocopi Technologies, Inc. | Invisible ink and scratch pad |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3594369A (en) * | 1969-01-21 | 1971-07-20 | Ncr Co | 3,5(6)-disubstituted-3-(para-diloweralkyl-aminophenyl) phthalides |
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 |
BE791793A (fr) * | 1971-12-06 | 1973-03-16 | Ncr Co | Composes chromogenes |
-
1973
- 1973-03-15 JP JP48029468A patent/JPS49118514A/ja active Pending
-
1974
- 1974-03-14 GB GB1151174A patent/GB1425547A/en not_active Expired
- 1974-03-15 BE BE142096A patent/BE812406A/xx not_active IP Right Cessation
- 1974-03-15 DE DE2412640A patent/DE2412640C3/de not_active Expired
- 1974-03-15 US US451400A patent/US3916070A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4211872A (en) * | 1978-12-11 | 1980-07-08 | Hung William M | Substituted furopyridinones and furopyrazinones |
US4243250A (en) * | 1979-06-14 | 1981-01-06 | Sterling Drug Inc. | Carbonless duplicating systems |
US4337340A (en) | 1979-06-14 | 1982-06-29 | Sterling Drug Inc. | Processes for preparing substituted furopyridinones and furopyrazinones |
Also Published As
Publication number | Publication date |
---|---|
GB1425547A (en) | 1976-02-18 |
DE2412640A1 (de) | 1974-09-26 |
US3916070A (en) | 1975-10-28 |
JPS49118514A (es) | 1974-11-13 |
DE2412640C3 (de) | 1978-11-30 |
DE2412640B2 (de) | 1978-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: FUJI PHOTO FILM CO. LTD Effective date: 19850315 Owner name: HODOGYA CHEMICAL CO. LTD Effective date: 19850315 |