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公开(公告)号：US3884775A
公开(公告)日：1975-05-20
申请号：US34060173
申请日：1973-03-12
Applicant: AGENCY IND SCIENCE TECHN
Inventor： NAGASE SHUNJI , BABA HAJIME , KODAIRA KAZUO , OKAZAKI KOOSHI
CPC classification number: C07C41/22 , C25B3/08 , C25B9/00 , C07C43/123
Abstract: Partially chlorinated ethers are electrolytically fluorinated in anhydrous hydrogen fluoride. The gas which is produced consequently is passed through water and the aqueous solution of sodium sulfite-sodium hydroxide for the removal of by-products and thereafter cooled and collected. The collected product is a mixture consisting of fluorinated ethers and fluorocarbons. Chlorofluoroethers which the present invention aims to obtain are separated from this mixture by additional treatments of distillation, gas chromatography, etc.
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公开(公告)号：US3650916A
公开(公告)日：1972-03-21
申请号：US3650916D
申请日：1970-07-17
Applicant: AGENCY IND SCIENCE TECHN
Inventor： NAGASE SHUNJI , BABA HAJIME , KODAIRA KAZUO , ABE TAKASHI
CPC classification number: C01B17/453
Abstract: CARBON MONOXIDE IS BLOWN INTO MOLTEN SULFUR TO PRODUCE CARBONYL SULFIDE. THE CARBONYL SULFIDE SO PRODUCED IS BLOWN INTO ANHYDROUS HYDROGEN FLUORIDE WHERE IT IS ELECTROLYTICALLY FLUORINATED TO PRODUCE SULFUR HEXAFLUORIDE.
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公开(公告)号：US3876515A
公开(公告)日：1975-04-08
申请号：US42434573
申请日：1973-12-10
Applicant: AGENCY IND SCIENCE TECHN
Inventor： NAGASE SHUNJI , BABA HAJIME , KODAIRA KAZUO , ABE TAKASHI , YONEKURA MICHIMASA
IPC: C09K5/00 , C07C17/00 , C07C17/10 , C07C23/10 , C07C67/00 , C09K5/08 , C25B3/04 , C25B3/08 , C07C17/22
CPC classification number: C25B3/08
Abstract: Aromatic hydrocarbons such as, for example, trifluoromethyl benzonitrile and bis-(trifluoromethyl)-benzonitrile which are composed of benzene derivatives having nitrile and trihalogenated methyl substituted for hydrogens of benzene are dissolved in anhydrous hydrogen fluoride and the solutions are electrolyzed to produce perfluoro-alicyclic hydrocarbons composed of perfluorocyclohexane derivatives having trifluoromethyl substituted for fluorine of perfluorocyclohexane.
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Patent Agency Ranking
公开(公告)号：US3497427A
公开(公告)日：1970-02-24
申请号：US3497427D
申请日：1968-03-26
Applicant: AGENCY IND SCIENCE TECHN
Inventor： NAGASE SHUNJI , BABA HAJIME , ABE TAKASHI
CPC classification number: C01B17/4569
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公开(公告)号：DE2313863A1
公开(公告)日：1973-12-13
申请号：DE2313863
申请日：1973-03-20
Applicant: AGENCY IND SCIENCE TECHN
Inventor： NAGASE SHUNJI , BABA HAJIME , KODAIRA KAZUO , ABE TAKASHI , YONEKURA MICHIMASA
Abstract: Aromatic hydrocarbons which have undergone nuclear substitution with a trifluoromethyl group are electrolytically fluorinated in anhydrous hydrogen fluoride. The mixed gas which is consequently formed is sent through the aqueous solution of sodium sulfite containing therein potassium iodide, thereafter cooled and collected, and subjected to refining treatment such as by trap-to-trap distillation, distillation, or gas chromatography to obtain perfluorocyclohexane derivatives.
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公开(公告)号：DE2313862A1
公开(公告)日：1974-01-03
申请号：DE2313862
申请日：1973-03-20
Applicant: AGENCY IND SCIENCE TECHN
Inventor： NAGASE SHUNJI , BABA HAJIME , KODAIRA KAZUO , OKAZAKI KOOSHI
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公开(公告)号：GB2121031B
公开(公告)日：1985-09-04
申请号：GB8302736
申请日：1983-02-01
Applicant: AGENCY IND SCIENCE TECHN
Inventor： ABE TAKASHI , NAGASE SHUNJI
IPC: A61K31/34 , A61P7/08 , C07D307/94 , C07D307/10
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公开(公告)号：GB2121031A
公开(公告)日：1983-12-14
申请号：GB8302736
申请日：1983-02-01
Applicant: AGENCY IND SCIENCE TECHN
Inventor： ABE TAKASHI , NAGASE SHUNJI
IPC: A61K31/34 , A61P7/08 , C07D307/94 , C07D307/10
Abstract: Perfluoro-(3-alkyl-1-oxa-spiro[4.5]decane)s of the general formula wherein Rf is a trifluoromethyl or pentafluoroethyl group are novel compounds which are useful as insoluble solvents and as materials for artificial blood.
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