Patents by Inventor Samuel E. Sherba

Samuel E. Sherba has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5464832
    Abstract: A thioacryloyl compound of the formula ##STR1## wherein Z is selected from the group consisting of OR, R and NR.sup.1 R.sup.2 ;R is selected from the group consisting of hydrogen; (C.sub.1 -C.sub.18)alkyl; (C.sub.1 -C.sub.8)alkenyl; (C.sub.1 -C.sub.8)haloalkynyl; 2-(5-chlorothienyl)methyl; phenyl optionally substituted with one or more substituents selected from the group consisting of halo-, (C.sub.1 -C.sub.3)alkoxy-, nitro-, and (C.sub.1 -C.sub.3)alkyl; phenacyl optionally substituted with one or more substituents selected from the group consisting of ring halo-, (C.sub.1 -C.sub.3)alkoxy-, nitro-, and (C.sub.1 -C.sub.3)alkyl; arylalkyl optionally substituted with one or more substituents selected from the group consisting of ring halo-, (C.sub.1 -C.sub.3)alkoxy-, nitro-, and (C.sub.1 -C.sub.3)alkyl;R.sup.1 and R.sup.2 are independently selected from (C.sub.1 -C.sub.8)alkyl and phenyl, or R.sup.1 and R.sup.
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: November 7, 1995
    Assignee: Rohm and Haas Company
    Inventors: Peter Osei-Gyimah, Samuel E. Sherba, Barry C. Lange, Rai J. Mehta, Rhoda W. Joseph
  • Patent number: 5464622
    Abstract: A synergistic antimicrobial composition comprising 2-mercaptopyridine N-oxide, and salts thereof, and iodopropargyl butylcarbamate in a ratio to each other which exhibits synergism is disclosed.
    Type: Grant
    Filed: November 4, 1992
    Date of Patent: November 7, 1995
    Assignee: Rohm and Haas Company
    Inventors: Raj I. Mehta, Barry C. Lange, Samuel E. Sherba
  • Patent number: 5416210
    Abstract: In one aspect, compounds, methods of using them, compositions comprising such compounds, and uses of such compositions.These objects, and others which will become apparent from the following disclosure, are achieved by the present invention which comprises in one aspect compounds of the formula ##STR1## wherein R is alkyl, cycloalkyl, aryl, substituted aryl, alkaryl optionally substituted on the aryl portion or aralkyl optionally substituted on the aryl portion, R having up to 20 carbon atoms and is optionally branched, andA is (CH.sub.2).sub.p, (CH.sub.2).sub.q --O--(CH.sub.2).sub.r, or (CH.sub.2).sub.q --S--(CH.sub.2).sub.r,wherein p=2 to 8, q=1 to 8, and r=1 to 8.R.sub.1 =--(CH.sub.2).sub.m --, --(CH.sub.2 CH.sub.2 --O).sub.n --CH.sub.2 CH.sub.2 --, or --(CH.sub.2 CH.sub.2 CH.sub.2 --O).sub.n --CH.sub.2 CH.sub.2 CH.sub.2 --.
    Type: Grant
    Filed: June 10, 1992
    Date of Patent: May 16, 1995
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Raj J. Mehta, Margaret M. Bowers-Daines, Adam C. Hsu
  • Patent number: 5302592
    Abstract: Use as microbicides of thioacryloyl compounds of the formula ##STR1## Compounds and compositions are also disclosed.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: April 12, 1994
    Assignee: Rohm and Haas Company
    Inventors: Peter Osei-Gyimah, Samuel E. Sherba, Raj J. Mehta, Barry C. Lange, Rhoda W. Joseph
  • Patent number: 5227360
    Abstract: Synergistic antialgal compositions comprising substituted fluoroalkyl diphenylethers and a material selected from the group consisting of sodium hypochlorite, halodialkylhydantoin, n-alkyl dimethyl benzylammonium chloride, 2,2-dibromo-3-nitrilopropionamide, 2-bromo-2-nitro-1,3-propanediol, poly[oxyethylene(dimethylimino)ethylene(dimethylimino)ethylene dichloride], 3-iodo-2-propynylbutylcarbamate, sodium N-methyldithiocarbamate, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, N-(phosphonomethyl)glycine and salts thereof, zinc bis(dimethyldithiocarbamate), p-tolydiiodomethylsulfone and fatty acid salt in ratios to each other which exhibit synergism are disclosed. Particularly effective combinations are based on oxyfluorfen as the diphenylether for use in protecting aqueous systems, such as latices and cooling water systems, from algal growth.
    Type: Grant
    Filed: August 5, 1992
    Date of Patent: July 13, 1993
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Terry M. Williams, Gary L. Willingham
  • Patent number: 5219875
    Abstract: A synergistic antimicrobial composition comprising 1,2-benzisothiazolin-3-one and iodopropargyl butylcarbamate in a ratio to each other which exhibits synergism is disclosed.
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: June 15, 1993
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Raj J. Mehta, Barry C. Lange
  • Patent number: 5212193
    Abstract: A synergistic antimicrobial composition comprising a 2-alkyl-3-isothiazolone and a 3,4-dichloroanilide of the formula ##STR1## where n is an integer from 1 to 2, in a ratio to each other which exhibits synergism is disclosed.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: May 18, 1993
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Raj J. Mehta
  • Patent number: 5208057
    Abstract: A process for butchering fowl which comprises a step wherein said fowl is treated with water comprising introducing an effective amount of a bromide (for example, KBr, NH.sub.4 Br, or NaBr) and an oxidant into said water to control microorganisms. The process is especially suitable for poultry such as chicken and turkey.
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: May 4, 1993
    Assignee: Rohm and Haas Company
    Inventors: David E. Greenley, Adam Chi-Tung Hsu, Barry C. Lange, Eilenn F. Warwick, Samuel E. Sherba, John S. Chapman
  • Patent number: 5158596
    Abstract: Synergistic antialgal compositions comprising substituted fluoroalkyl diphenylethers and a material selected from the group consisting of sodium hypochlorite, halodialkylhydantoin, n-alkyl dimethyl benzylammonium chloride, 2,2-dibromo-3-nitrilopropionamide, 2-bromo-2-nitro-1,3-propanediol, poly[oxyethylene(dimethylimino)ethylene(dimethylimino)ethylene dichloride], 3-iodo-2-propynylbutylcarbamate, sodium N-methyldithiocarbamate, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, N-(phosphonomethyl)glycine and salts thereof, zinc bis(dimethyldithiocarbamate), p-tolyldiiodomethylsulfone and fatty acid salt in ratios to each other which exhibit synergism are disclosed. Particularly effective combinations are based on oxyfluorfen as the diphenylether for use in protecting aqueous systems, such as latices and cooling water systems, from algal growth.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: October 27, 1992
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Terry M. Williams, Gary L. Willingham
  • Patent number: 5156665
    Abstract: A synergistic antimicrobial composition comprising 2-alkyl-3-isothiazolones, preferably 4,5-dichloro-2-n-octyl-3-isothiazolone or 2-n-octyl-3-isothiazolone, and certain iodopropargyl compounds, in a ratio to each other which exhibits synergism is disclosed.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: October 20, 1992
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Raj J. Mehta
  • Patent number: 5149524
    Abstract: In one aspect, compounds, methods of using them, compositions comprising such compounds, and uses of such compositions . These objects, and others which will become apparent from the following disclosure, are achieved by the present invention which comprises in one aspect compounds of the formula ##STR1## wherein R is alkyl, cycloakyl, aryl, substituted aryl, alkaryl optionally substituted on the aryl portion or aralkyl optionally substituted on the aryl portion, R having up to 20 carbon atoms and is optionally branced, andA is (CH.sub.2).sub.p, (CH.sub.2).sub.q --O--(CH.sub.2).sub.r, or (CH.sub.2).sub.q --S--(CH.sub.2).sub.r,wherein p=2 to 8, q=1 to 8, and r=1 to 8.R.sub.1 =--(CH.sub.2).sub.m --,--(CH.sub.2 CH.sub.2 --O).sub.n --CH.sub.2 CH.sub.2 --, or--(CH.sub.2 CH.sub.2 CH.sub.2 --O).sub.n --CH.sub.2 CH.sub.2 CH.sub.2 --.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: September 22, 1992
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Raj J. Mehta, Margaret M. Bowers-Daines, Adam Chi-Tung Hsu
  • Patent number: 5110822
    Abstract: A synergistic antimicrobial composition comprising 4,5-dichloro-2-n-octyl-3-isothiazolone or 2-methyl-3-isothiazolone and ferric dimethyldithiocarbamate, in a ratio to each other which exhibits synergism is disclosed.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: May 5, 1992
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Raj J. Mehta, Barry C. Lange
  • Patent number: 5091399
    Abstract: Compound having antimicrobial activity having the formula ##STR1## wherein R is (C.sub.1 -C.sub.18)alkyl, (C.sub.3 -C.sub.8)cycloalkyl, (C.sub.6 -C.sub.18)aryl, (C.sub.7 -C.sub.18)aralkyl, or (C.sub.7 -C.sub.18)alkaryl,provided that aryl or the aryl portion of said aralkyl or alkaryl are optionally substituted with halo or methyl; andR.sub.1 is H, Cl or methyland method for inhibiting growth of microorganisms using said compound.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: February 25, 1992
    Assignee: Rohm and Haas Company
    Inventors: Peter Osei-Gyimah, Samuel E. Sherba
  • Patent number: 5069717
    Abstract: A synergistic antialgal composition comprising substituted fluoroalkyl diphenylethers and lysozyme in a ratio to each other which exhibits synergism is disclosed. A particularly effective combination is based on oxyfluorfen and lysozyme for use in protecting aqueous systems, such as latices and cooling water systems, from algal growth.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: December 3, 1991
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Rai J. Mehta
  • Patent number: 5028261
    Abstract: Disclosed herein is a composition useful for controlling algae comprising (A) a compound of the formula ##STR1## wherein X.sup.1, X.sup.2 are independently selected from hydrogen, halogen, trihalomethyl, cyano, and (C.sub.1 to C.sub.4) alkyl;Z is selected from the group consisting of hydrogen, halogen, cyano, carboxy or salt thereof, alkylthio, carbalkoxy, carboxyalkyl, carbalkoxyalkyl, carbalkoxyalkoxycarbonyl, carbalkoxyalkoxy, alkoxy, cycloalkoxy, alkenyl, alkyl, cycloalkyl, unsubstituted or substituted amino, R.sup.2 O in which R.sup.2 represents a hydrogen atom or the esterbonded acid radical of an inorganic or organic oxyacid and acyloxy;p is an integer from 1 to 2n+1;m is an integer of 0 to 2n;n is an integer of 1 to 5;m+p=2n+1and (B) a 3-isothiazolone.
    Type: Grant
    Filed: March 26, 1990
    Date of Patent: July 2, 1991
    Assignee: Rohm and Haas Company
    Inventors: Robert A. Woodruff, Samuel E. Sherba
  • Patent number: 4975111
    Abstract: Disclosed herein is a composition useful for controlling algae comprising (A) a compound of the formula ##STR1## wherein X.sup.1, X.sup.2 are independently selected from hydrogen, halogen, trihalomethyl, cyano, and (C.sub.1 to C.sub.4) alkyl;Z is selected from the group consisting of hydrogen, halogen, cyano, carboxy or salt thereof, alkylthio, carbalkoxy, carboxyalkyl, carbalkoxyalkyl, carbalkoxyalkoxycarbonyl, carbalkoxyalkoxy, alkoxy, cycloalkoxy, alkenyl, alkyl, cycloalkyl, unsubstituted or substituted amino, R.sup.2 O in which R.sup.2 represents a hydrogen atom or the esterbonded acid radical of an inorganic or organic oxyacid and acyloxy;p is an integer from 1 to 2n+1;m is an integer of 0 to 2n;n is an integer of 1 to 5;m+p=2n+1and (B) a 3-isothiazolone.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: December 4, 1990
    Assignee: Rohm and Haas Company
    Inventors: Robert A. Woodruff, Samuel E. Sherba