JPS4926249A - - Google Patents

Info

Publication number
JPS4926249A
JPS4926249A JP6808572A JP6808572A JPS4926249A JP S4926249 A JPS4926249 A JP S4926249A JP 6808572 A JP6808572 A JP 6808572A JP 6808572 A JP6808572 A JP 6808572A JP S4926249 A JPS4926249 A JP S4926249A
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
JP6808572A
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 JP6808572A priority Critical patent/JPS4926249A/ja
Priority to FR7324778A priority patent/FR2192096A1/fr
Priority to IT6900873A priority patent/IT991674B/it
Priority to DE19732334532 priority patent/DE2334532A1/de
Priority to NL7309527A priority patent/NL7309527A/xx
Publication of JPS4926249A publication Critical patent/JPS4926249A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP6808572A 1972-07-06 1972-07-06 Pending JPS4926249A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP6808572A JPS4926249A (ja) 1972-07-06 1972-07-06
FR7324778A FR2192096A1 (en) 1972-07-06 1973-07-05 Aromatic isocyanates prepn - from nitro, nitroso, azo or azoxy cpds with carbon monoxide, using cobalt carbonyl catalysts
IT6900873A IT991674B (it) 1972-07-06 1973-07-05 Procedimento per la preparazione di isocianati organici aromatici
DE19732334532 DE2334532A1 (de) 1972-07-06 1973-07-06 Verfahren zur herstellung von aromatischen isocyanaten
NL7309527A NL7309527A (ja) 1972-07-06 1973-07-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6808572A JPS4926249A (ja) 1972-07-06 1972-07-06

Publications (1)

Publication Number Publication Date
JPS4926249A true JPS4926249A (ja) 1974-03-08

Family

ID=13363537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6808572A Pending JPS4926249A (ja) 1972-07-06 1972-07-06

Country Status (5)

Country Link
JP (1) JPS4926249A (ja)
DE (1) DE2334532A1 (ja)
FR (1) FR2192096A1 (ja)
IT (1) IT991674B (ja)
NL (1) NL7309527A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523602A (en) * 1978-06-23 1980-02-20 Ricoh Co Ltd Read-in and delivery system of document information
JPS5662449A (en) * 1979-10-26 1981-05-28 Sony Corp Data pickup circuit
JPS5683125A (en) * 1979-12-07 1981-07-07 Sony Corp Data extracting circuit
JPS5940862U (ja) * 1982-09-07 1984-03-15 日本電気株式会社 ピ−ク値電圧検出回路
JPH0284885A (ja) * 1988-06-11 1990-03-26 Samsung Electron Co Ltd ビデオ輪郭強調信号に対する雑音除去回路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN157412B (ja) * 1982-06-25 1986-03-22 Iel Limited Formerly Known As

Citations (1)

* 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

Patent Citations (1)

* 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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523602A (en) * 1978-06-23 1980-02-20 Ricoh Co Ltd Read-in and delivery system of document information
JPS6249778B2 (ja) * 1978-06-23 1987-10-21 Ricoh Kk
JPS5662449A (en) * 1979-10-26 1981-05-28 Sony Corp Data pickup circuit
JPS5683125A (en) * 1979-12-07 1981-07-07 Sony Corp Data extracting circuit
JPH0225292B2 (ja) * 1979-12-07 1990-06-01 Sony Corp
JPS5940862U (ja) * 1982-09-07 1984-03-15 日本電気株式会社 ピ−ク値電圧検出回路
JPH025420Y2 (ja) * 1982-09-07 1990-02-08
JPH0284885A (ja) * 1988-06-11 1990-03-26 Samsung Electron Co Ltd ビデオ輪郭強調信号に対する雑音除去回路

Also Published As

Publication number Publication date
IT991674B (it) 1975-08-30
NL7309527A (ja) 1974-01-08
FR2192096A1 (en) 1974-02-08
DE2334532A1 (de) 1974-01-24

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