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公开(公告)号:US3684477A
公开(公告)日:1972-08-15
申请号:US3684477D
申请日:1969-08-28
Applicant: FMC CORP
Inventor: BLUMBERGS JOHN H , MACKELLAR DONALD G
CPC classification number: C02F1/50 , A01N59/00 , A01N2300/00
Abstract: A METHOD FOR CONTROLLING THE GROWTH OF MICROORGANISMS, PARTICULARLY IN AQUEOUS SYSTEMS, BY CONTACTING THE MICROORGANISMS WITH: (A) HYDROGEN PEROXIDE (OR A COMPOUND CAPABLE OF RELEASING HYDROGEN PEROXIDE IN WATER), AND (B) ONE OF A CLASS OF ORGANIC COMPOUNDS CONTAINING AT LEAST ONE ACETYL GROUP AND CAPABLE OF GIVING A VALUE OF AT LEAST ONE ML. IN THE "ACTIVITY TEST" DEFINED BELOW.
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公开(公告)号:US3513136A
公开(公告)日:1970-05-19
申请号:US3513136D
申请日:1968-09-10
Applicant: FMC CORP
Inventor: BLUMBERGS JOHN H , MACKELLAR DONALD G
CPC classification number: C08F22/04
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公开(公告)号:US3462480A
公开(公告)日:1969-08-19
申请号:US3462480D
申请日:1967-01-04
Applicant: FMC CORP
Inventor: MACKELLAR DONALD G , BLUMBERGS JOHN H , FALKENSTEIN RAINER VON
IPC: C07C409/24 , C07C409/30 , C07C73/10 , C07C73/12
CPC classification number: C07C407/00 , C07C407/003 , C07C409/30
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14.
公开(公告)号:US3231605A
公开(公告)日:1966-01-25
申请号:US26842463
申请日:1963-03-27
Applicant: FMC CORP
Inventor: BLUMBERGS JOHN H
IPC: C07C407/00 , C07C409/24 , C07C409/26 , C07C409/28 , C07C409/30
CPC classification number: C07C407/003 , C07C2601/14 , C07C409/24 , C07C409/30 , C07C409/28
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公开(公告)号:US3637609A
公开(公告)日:1972-01-25
申请号:US3637609D
申请日:1970-06-01
Applicant: FMC CORP
Inventor: BLUMBERGS JOHN H , FINLEY JOSEPH H , RIZZO JOHN J
CPC classification number: C11D3/3761 , C08F8/00 , C08F20/02
Abstract: THE SODIUM SALT OF POLY(MALEIC ACID), USEFUL AS A DETERGENT BUILDER, IS PREPARED BY HYDROLYZING POLY(MALEIC ANHYDRIDE) WITH WATER AT 60 TO 80*C., AND SIMULTANEOUSLY ADDING THE AQUEOUS SOLUTION AND A SOURCE OF SODIUM OXIDE INTO A HEEL OF WATER AT PH 9.2 TO 10.6, MAITAINING THIS PH THROUGHOUT THE ADDITION THEN BLEACHING THE SLURRY, AND RECOVERING THE SALT.
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公开(公告)号:US3562334A
公开(公告)日:1971-02-09
申请号:US3562334D
申请日:1964-09-21
Applicant: FMC CORP
Inventor: BERKOWLTZ SIDNEY , BLUMBERGS JOHN H
Abstract: A HIGH-PURITY DICHLOROACETALDEHYDE (DCA) IS OBTAINED WHICH IS STABLE AGAINST LINEAR POLYMERIZATION BY MAINTAINING THE HYDROGEN CHLORIDE CONCENTRATION AT NO GREATER THAN 0.5% BY WEIGHT, MAINTAINING THE MONOCHLOROACETALDEHYDE CONCENTRATION AT NO GREATER THAN 1% AND BY MAINTAINING THE DCA PRODUCT FREE OF METAL IMPURITES; IF METAL IMPURITIES ARE PRESENT, THEY CAN BE NEUTRALIZED BY ADDITION OF EFFECTIVE AMOUNTS OF EITHER 2-BENZOTHIAZYL DISULFIDE, THIOUREA OR ETHANOLAMINE.
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公开(公告)号:US3560529A
公开(公告)日:1971-02-02
申请号:US3560529D
申请日:1968-09-10
Applicant: FMC CORP
Inventor: BLUMBERGS JOHN H , MACKELLAR DONALD G
CPC classification number: C08F22/04
Abstract: ITACONIC ANHYDRIDE IS HOMOPOLYMERIZED BY HEATING SAID ANHYDRIDE AT A TEMPERATURE OF AT LEAST ABOUT 70*C. IN THE PRESENCE OF AN INITIATING AMOUNT OF A MIXED ITACONIC-ACYL PEROXIDE.
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公开(公告)号:US3542815A
公开(公告)日:1970-11-24
申请号:US3542815D
申请日:1968-09-10
Applicant: FMC CORP
Inventor: BLUMBERGS JOHN H , MACKELLAR DONALD G
IPC: C08F22/04
CPC classification number: C08F22/04
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19.
公开(公告)号:US3539629A
公开(公告)日:1970-11-10
申请号:US3539629D
申请日:1968-03-13
Applicant: FMC CORP
Inventor: MACKELLAR DONALD G , BLUMBERGS JOHN H , FALKENSTEIN RAINER VON
IPC: A23N15/12 , C07C233/90 , C11D3/00 , C07C103/44
CPC classification number: C07C233/90
Abstract: 1,216,294. Acetylated diamines. FMC CORP. 11 March, 1969 [13 March, 1968], No. 12809/69. Heading C2C. A process for the production of tetraacetylated diamines of the formula wherein R is an aliphatic hydrocarbon radical having 1 to 3 carbon atoms between the flanking nitrogen atoms and which may be substituted by aliphatic or cycloaliphatic groups having up to 16 carbon atoms or by phenyl or substituted phenyl groups or R is a phenylene or substituted phenylene group, comprises reacting ketene with either or with where R 1 represents the same groups as R but must have at least two carbon atoms between the two nitrogen atoms, in the presence of a catalytic amount of phosphoric acid, preferably orthophosphoric acid at a temperature of 40‹ C. to 100‹ C.; preferably sulphur or a sulphur compound e.g. phenothiazine or methyl-thio-mcresol is present as an auxiliary catalyst. Examples describe the preparation of compounds wherein R = -CH 2 -; -CH 2 -CH 2 -; -CH-; -CH-; p-phenylene. CH 3 Ph Reference has been directed by the Comptroller to Specification 907,357.
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公开(公告)号:US3485869A
公开(公告)日:1969-12-23
申请号:US3485869D
申请日:1967-01-31
Applicant: FMC CORP
Inventor: MACKELLAR DONALD G , BLUMBERGS JOHN H , FALKENSTEIN RAINER VON
IPC: C07C409/24 , C07C409/30 , C07C73/10
CPC classification number: C07C407/00 , C07C407/003 , C07C409/30
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