JPS503426A - - Google Patents

Info

Publication number
JPS503426A
JPS503426A JP5369073A JP5369073A JPS503426A JP S503426 A JPS503426 A JP S503426A JP 5369073 A JP5369073 A JP 5369073A JP 5369073 A JP5369073 A JP 5369073A JP S503426 A JPS503426 A JP S503426A
Authority
JP
Grant status
Application
Patent type
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.)
Pending
Application number
JP5369073A
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

Links

JP5369073A 1973-05-16 1973-05-16 Pending JPS503426A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5369073A JPS503426A (en) 1973-05-16 1973-05-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5369073A JPS503426A (en) 1973-05-16 1973-05-16

Publications (1)

Publication Number Publication Date
JPS503426A true true JPS503426A (en) 1975-01-14

Family

ID=12949796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5369073A Pending JPS503426A (en) 1973-05-16 1973-05-16

Country Status (1)

Country Link
JP (1) JPS503426A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5452095A (en) * 1977-09-29 1979-04-24 Ncr Co Method of manufacturing color developing pyridine compound
FR2445231A1 (en) * 1978-12-29 1980-07-25 Appleton Paper Inc self-copiante sheet, process for its production and formulation of coating pigment used in this process and package formed with the sheet
FR2445333A2 (en) * 1978-12-29 1980-07-25 Appleton Paper Inc Chromogenic cpd. used in pressure sensitive registration materials - is 7-(1-ethyl-2-methylindole-3-yl)-7-(4-diethylamino-2-ethodyphenyl)- -5,7-di:hydro:furo (3,4-b) pyridine-5 or-7-one
FR2445360A1 (en) * 1978-12-29 1980-07-25 Appleton Paper Inc Chromogenic composition, process for its preparation and its application to the production of a copying sensitive material to the pressure
JPS55135695A (en) * 1979-04-09 1980-10-22 Appleton Paper Inc Heat sensitive recording material and its preparation
US4299411A (en) * 1978-12-29 1981-11-10 Appleton Papers Inc. Pressure-sensitive record material
DE3116815A1 (en) * 1980-04-28 1982-02-11 Yamamoto Kagaku Gosei Kk chromogenic material
JPS59190993A (en) * 1983-04-07 1984-10-29 Ciba Geigy Ag Manufacture of 4-azaphthalide compound
JPS61168664A (en) * 1985-01-15 1986-07-30 Ciba Geigy Ag Ring substituted 4-azaphthalide
US4668790A (en) * 1981-12-23 1987-05-26 Ciba-Geigy Corporation Chromogenic dihydrofuropyridinones
JPS63122760A (en) * 1986-10-28 1988-05-26 Ciba Geigy Ag Chromogen phthalide and aza-phthalide

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5452095A (en) * 1977-09-29 1979-04-24 Ncr Co Method of manufacturing color developing pyridine compound
FR2445231A1 (en) * 1978-12-29 1980-07-25 Appleton Paper Inc self-copiante sheet, process for its production and formulation of coating pigment used in this process and package formed with the sheet
FR2445333A2 (en) * 1978-12-29 1980-07-25 Appleton Paper Inc Chromogenic cpd. used in pressure sensitive registration materials - is 7-(1-ethyl-2-methylindole-3-yl)-7-(4-diethylamino-2-ethodyphenyl)- -5,7-di:hydro:furo (3,4-b) pyridine-5 or-7-one
FR2445360A1 (en) * 1978-12-29 1980-07-25 Appleton Paper Inc Chromogenic composition, process for its preparation and its application to the production of a copying sensitive material to the pressure
US4299411A (en) * 1978-12-29 1981-11-10 Appleton Papers Inc. Pressure-sensitive record material
JPS55135695A (en) * 1979-04-09 1980-10-22 Appleton Paper Inc Heat sensitive recording material and its preparation
DE3116815A1 (en) * 1980-04-28 1982-02-11 Yamamoto Kagaku Gosei Kk chromogenic material
US4668790A (en) * 1981-12-23 1987-05-26 Ciba-Geigy Corporation Chromogenic dihydrofuropyridinones
JPS59190993A (en) * 1983-04-07 1984-10-29 Ciba Geigy Ag Manufacture of 4-azaphthalide compound
JPH0316954B2 (en) * 1983-04-07 1991-03-06 Ciba Geigy
JPS61168664A (en) * 1985-01-15 1986-07-30 Ciba Geigy Ag Ring substituted 4-azaphthalide
US4675407A (en) * 1985-01-15 1987-06-23 Ciba-Geigy Corporation Ring-substituted 4-azaphthalides
JPS63122760A (en) * 1986-10-28 1988-05-26 Ciba Geigy Ag Chromogen phthalide and aza-phthalide