JPS4931640A - - Google Patents

Info

Publication number
JPS4931640A
JPS4931640A JP47075016A JP7501672A JPS4931640A JP S4931640 A JPS4931640 A JP S4931640A JP 47075016 A JP47075016 A JP 47075016A JP 7501672 A JP7501672 A JP 7501672A JP S4931640 A JPS4931640 A JP S4931640A
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.)
Pending
Application number
JP47075016A
Other languages
Japanese (ja)
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
Application filed filed Critical
Priority to JP47075016A priority Critical patent/JPS4931640A/ja
Publication of JPS4931640A publication Critical patent/JPS4931640A/ja
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/14—Preparation of derivatives of isocyanic acid by catalytic reaction of nitro compounds with carbon monoxide
JP47075016A 1972-07-28 1972-07-28 Pending JPS4931640A (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP47075016A JPS4931640A (xx) 1972-07-28 1972-07-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47075016A JPS4931640A (xx) 1972-07-28 1972-07-28

Publications (1)

Publication Number Publication Date
JPS4931640A true JPS4931640A (xx) 1974-03-22

Family

ID=13563949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47075016A Pending JPS4931640A (xx) 1972-07-28 1972-07-28

Country Status (1)

Country Link
JP (1) JPS4931640A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53133587A (en) * 1977-04-26 1978-11-21 Kuniichi Chiba Method of removing iron from quartite* quartz sand* porcelain clay or etc*

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3523964A (en) * 1967-04-10 1970-08-11 Olin Corp Preparation of aromatic isocyanates
US3576835A (en) * 1967-12-18 1971-04-27 Olin Corp Preparation of aromatic isocyanates

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3523964A (en) * 1967-04-10 1970-08-11 Olin Corp Preparation of aromatic isocyanates
US3576835A (en) * 1967-12-18 1971-04-27 Olin Corp Preparation of aromatic isocyanates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53133587A (en) * 1977-04-26 1978-11-21 Kuniichi Chiba Method of removing iron from quartite* quartz sand* porcelain clay or etc*

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