PH15202A - 4-pyridone-3-carboxylic acid and process for the preparation thereof - Google Patents

4-pyridone-3-carboxylic acid and process for the preparation thereof

Info

Publication number
PH15202A
PH15202A PH22054A PH22054A PH15202A PH 15202 A PH15202 A PH 15202A PH 22054 A PH22054 A PH 22054A PH 22054 A PH22054 A PH 22054A PH 15202 A PH15202 A PH 15202A
Authority
PH
Philippines
Prior art keywords
pyridone
preparation
carboxylic acid
carboxylic
acid
Prior art date
Application number
PH22054A
Inventor
Alexander Eduard Dr Wick
Original Assignee
Hoffmann La Roche
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
Priority claimed from CH51278A external-priority patent/CH639073A5/en
Priority claimed from CH1175478A external-priority patent/CH642103A5/en
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of PH15202A publication Critical patent/PH15202A/en

Links

PH22054A 1978-01-18 1979-01-12 4-pyridone-3-carboxylic acid and process for the preparation thereof PH15202A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH51278A CH639073A5 (en) 1978-01-18 1978-01-18 4-Pyridone-3-carboxylic acid derivatives and their preparation
CH1175478A CH642103A5 (en) 1977-12-19 1978-11-15 LIQUID CRYSTALLINE MATERIAL, AZINE-BASED, FOR LIGHT CONTROL DEVICES.

Publications (1)

Publication Number Publication Date
PH15202A true PH15202A (en) 1982-09-17

Family

ID=25684791

Family Applications (1)

Application Number Title Priority Date Filing Date
PH22054A PH15202A (en) 1978-01-18 1979-01-12 4-pyridone-3-carboxylic acid and process for the preparation thereof

Country Status (1)

Country Link
PH (1) PH15202A (en)

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