Chalcogen Bonded Directly To The Chalcogen Patents (Class 548/166)
  • Patent number: 5059613
    Abstract: This invention is directed to compounds of the formula ##STR1## and pharmaceutically acceptable salts thereof wherein R.sub.6 is hydrogen or lower alkyl;each R.sub.1 is hydrogen, lower alkyl, halogen, nitro, trihaloalkyl, lower alkoxy, formyl, lower alkanoyl, loweralkylamino or diloweralkylamino ##STR2## X is O, S or NR.sub.5 ; R.sub.2 is OR.sub.7 or NR.sub.7 R.sub.8 ;each R.sub.3 and R.sub.4 are independently hydrogen or lower alkyl;R.sub.5 R.sub.7 and R.sub.8 are independently hydrogen or lower alkyl;n is 0-3 andm is 0-6.These compounds are useful for treating glaucoma or assessing corneal function in mammals.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: October 22, 1991
    Assignee: Research Corporation Technologies, Inc.
    Inventor: William M. Pierce, Jr.
  • Patent number: 5055582
    Abstract: This invention relates to a process for preparing useful thromboxane A.sub.2 inhibiting (.+-.)7-[3.alpha.-[1-[[(phenylamino)thioxomethyl]hydrazono]ethyl]-1.alpha. ,4.alpha.-bicyclo[2.2.1]hept-2.beta.-yl]-heptenoic acids and useful derivatives thereof from (.+-.)octahydro-1.alpha.-methyl-3a.alpha.,7a.alpha.-4.alpha.,7.alpha.-meth ano-2H-inden-2-ones.
    Type: Grant
    Filed: December 13, 1988
    Date of Patent: October 8, 1991
    Assignee: National Research Development Corporation
    Inventors: Robert B. Garland, Masateru Miyano
  • Patent number: 5037840
    Abstract: Compounds having the formula: ##STR1## are leukotriene antagonists and inhibitors of leukotriene biosynthesis. These compounds are useful an anti-asthmatic, antiallergic, anti-inflammatory, and cytoprotective agents.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: August 6, 1991
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Robert N. Young, Robert Zamboni
  • Patent number: 5034050
    Abstract: Derivatives of 4-((aryloxy)phenoxy)alkenols, their preparation and use as active herbicides for the postemergent control of grassy weeds and especially the control of said weeds in the presence of corn plants are disclosed.
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: July 23, 1991
    Assignee: DowElanco
    Inventors: James A. Turner, Paul S. Zorner, Wendy S. Jacks
  • Patent number: 5006534
    Abstract: Substituted benzyl ethers, benzyl thioethers, and benzylamines of the formula ##STR1## in which R.sup.1 and R.sup.2 are identical or different and represent hydrogen, alkyl, alkenyl, cycloalkyl, alkoxy, alkylthio, halogenoalkyl, sulphonylalkyl, halogenoalkoxy, halogenoalkylthio, aralkoxy, aralkylthio, halogen, nitro, cyano or hydroxyl, or represent a group of the formula ##STR2## wherein R.sup.4 and R.sup.5 are identical or different and represent hydrogen, alkyl, alkenyl, cycloalkyl, aralkyl, aryl or acyl,R.sup.3 represents a group of the formula ##STR3## in which R.sup.6 represents hydrogen, alkyl or acyl,R.sup.7 represents hydrogen or alkyl andn represents a number from 3 to 10,B represents --CH.sub.2 --X-- or --X--CH.sub.2 --,wherein X represents O, S or NR.sup.7,and wherein R.sup.7 has the abovementioned meaning and the group ##STR4## represents a benzo-fused heterocyclic system, A in the heterocyclic radical being 3-, 4- or 5-membered and containing nitrogen, oxygen and/or sulphur as hetero-atoms.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: April 9, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Mohrs, Romanis Fruchtmann, Christian Kohlsdorfer
  • Patent number: 4975448
    Abstract: A topical composition for eye treatment of glaucoma, comprising a small but pharmaceutically effective amount of an analog of benzothiazole-2-sulfonamide. The most preferred compound is 6-amino-2-benzothiazolesulfonamide. The invention also relates to a method of topically treating glaucoma with eye drops to reduce intraocular pressure. Finally, disclosed is a method of synthesis of the preferred and highly effective benzothiazole-2-sulfonamide analogs, particularly the 6-amino-2-benzothiazolesulfonamide compound.
    Type: Grant
    Filed: April 4, 1985
    Date of Patent: December 4, 1990
    Assignee: University of Iowa Research Foundation
    Inventors: Ronald D. Schoenwald, Charles F. Barfknecht
  • Patent number: 4975447
    Abstract: A topical composition for eye treatment of glaucoma, comprising a small but pharmaceutically effective amount of an analog of benzothiazole-2-sulfonamide. The most preferred compound is 6-hydroxyethoxy-2-benzothiazolesulfonamide. The invention also relates to a method of topically treating glaucoma with eye drops to reduce intraocular pressure. Finally, disclosed is a method of synthesis of the preferred and highly effective benzothiazole-2-sulfonamide analogs, particularly the 6-hydroxyethoxy-2-benzothiazolesulfonamide compound.
    Type: Grant
    Filed: April 4, 1985
    Date of Patent: December 4, 1990
    Assignee: University of Iowa Research Foundation
    Inventors: Ronald D. Schoenwald, Charles F. Barfknecht
  • Patent number: 4958043
    Abstract: A composition useful for incorporation into polymer compositions employed for food packaging or the like comprising a bis- or tris-methine compound having the structural formula ##STR1## wherein A is selected from the radicals ##STR2## wherein R' and R" are each selected from chlorine, bromine, fluorine, alkyl, alkoxy, aryl, aryloxy and arylthio;each n is independently 0, 1, 2;R.sub.1 is selected from a large variety of radicals such as cycloalkyl, phenyl, and straight or branched alkyl which may be substituted;R.sub.2 is alkylene or the like;R.sub.3, R.sub.4, and R.sub.5 are each selected from hydrogen and alkyl; andP and Q and P.sup.1 and Q.sup.1 are selected from cyano, carbalkoxy, carbaryloxy, carbaralkyloxy, or the like.The invention compositions are especially useful in combination with molding or fiber-grade condensation polymer; most preferably such polymer having copolymerized therein a total of from 1.
    Type: Grant
    Filed: April 18, 1988
    Date of Patent: September 18, 1990
    Assignee: Eastman Kodak Company
    Inventors: Max A. Weaver, Wayne P. Pruett, Samuel D. Hilbert
  • Patent number: 4866068
    Abstract: Novel HMG-CoA reductase inhibitors of formulae (I) and (II) are disclosed: ##STR1##
    Type: Grant
    Filed: February 1, 1988
    Date of Patent: September 12, 1989
    Assignee: Merck & Co., Inc.
    Inventor: Clarence S. Rooney
  • Patent number: 4790868
    Abstract: This invention relates to herbicidally active substituted benzoxazolone (or benzthiazolone) compounds and to the use of such compounds to control the growth of noxious plants, i.e., weeds.
    Type: Grant
    Filed: January 7, 1987
    Date of Patent: December 13, 1988
    Assignee: PPG Industries, Inc.
    Inventor: Donald R. Nielsen
  • Patent number: 4762931
    Abstract: An improved work-up of aqueous mother liquors which originate from the oxidative preparation of benzothiazolylsulphenamides and which contain unreacted amine or a low-boiling alcohol employed as solubilizer, or both, the work-up being carried out in such a fashion that the mother liquor is saturated by additives until two phases form, the phases are separated from one another, the aqueous phase is extracted with further alcohol or amine, amine, alcohol and the extracted components are isolated from the combined organic phases, and amine or alcohol dissolved in the aqueous phase is removed therefrom by distillation.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: August 9, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gabriel Denecker, Domien Sluyts, Jean-Marie Biot, Tony van Osselaer, Jan de Roos, Pol Bamelis
  • Patent number: 4747865
    Abstract: Novel substituted phenoxyalkanecarboxylic acid esters of the formula ##STR1## in which R.sup.1 and R.sup.2, independently of one another, are a hydrogen atom, a halogen atom, a lower alkyl group or a nitro group, orR.sup.1 and R.sup.2, together with the benzene ring to which they are bonded, are a naphthalene ring,R.sup.3 and R.sup.4, independently of one another, are a hydrogen atom or a methyl group,n is 1 or 2,m is 0 or 1,X is an oxygen atom, a sulfur atom, a sulfonyl group or a group of the formula ##STR2## in which R.sup.6 is a lower alkyl group, R.sup.5 is a hydrogen atom or a halogen atom, andY is an oxygen atom or a sulfur atom, and the use of the new compounds as herbicides.
    Type: Grant
    Filed: November 25, 1986
    Date of Patent: May 31, 1988
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Kozo Shiokawa, Koichi Moriya, Toshio Goto, Atsumi Kamochi, Seishi Ito, Mitsugu Horita
  • Patent number: 4732984
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, lower alkyl, aryl or halo, or R.sup.1 and R.sup.2 taken together represent --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --O--, --NH--, ##STR2## where the dotted lines represent optional double bonds; R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each, independently, hydrogen, lower alkyl, aryl or halo;R.sup.7 is 2-pyridinyl, 2-pyrimidinyl, 2-pyrazinyl, 3-pyridazinyl or phenyl or any of the foregoing R.sup.7 moieties substituted by lower alkyl, trifluoromethyl, cyano, nitro or halo, with the proviso that when R.sup.1 and R.sup.2 taken together represent ##STR3## then R.sup.7 is other than 2-pyridinyl, 2-pyrimidinyl or substituted pyrimidin-2-yl;Z is --(CH.sub.2).sub.
    Type: Grant
    Filed: August 5, 1986
    Date of Patent: March 22, 1988
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, Guy A. Schiehser, Scott J. Childress
  • Patent number: 4731108
    Abstract: Derivatives of 4-((aryloxy)phenoxy)alkenols, their preparation and use as active herbicides for the postemergent control of grassy weeds and especially the control of said weeds in the presence of corn plants are disclosed.
    Type: Grant
    Filed: March 7, 1986
    Date of Patent: March 15, 1988
    Assignee: The Dow Chemical Company
    Inventors: James A. Turner, Wendy S. Jacks, Paul S. Zorner
  • Patent number: 4684394
    Abstract: Novel aryloxyphenoxyalkanoates, alkenoates, R-enantiomers and derivatives thereof possess herbicidal activity selectively in the presence of broadleaf crops with preemergent or postemergent applications.
    Type: Grant
    Filed: October 29, 1985
    Date of Patent: August 4, 1987
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, Cleve A. I. Goring
  • Patent number: 4678789
    Abstract: Compounds of the general formula: ##STR1## wherein Ar is naphthyl, biphenylyl, phenyl or substituted phenyl; n is 0, 1 or 2; and Het is a heterocyclic group which may optionally be substituted or fused to a phenyl, substituted phenyl or further heterocyclic ring; and their pharmaceutically acceptable salts are antifungal agents useful in combatting fungal infections in animals, including humans.
    Type: Grant
    Filed: March 28, 1983
    Date of Patent: July 7, 1987
    Assignee: Pfizer Inc.
    Inventors: Kenneth Richardson, Peter J. Whittle
  • Patent number: 4666503
    Abstract: Novel substituted phenoxyalkanecarboxylic acid esters of the formula ##STR1## in which R.sup.1 and R.sup.2, independently of one another, are a hydrogen atom, a halogen atom, a lower alkyl group or a nitro group, orR.sup.1 and R.sup.2, together with the benzene ring to which they are bonded, are a naphthalene ring,R.sup.3 and R.sup.4, independently of one another, are a hydrogen atom or a methyl group,n is 1 or 2,m is 0 or 1,X is an oxygen atom, a sulfur atom, a sulfonyl group or a group of the formula ##STR2## in which R.sup.6 is a lower alkyl group,R.sup.5 is a hydrogen atom or a halogen atom, andY is an oxygen atom or a sulfur atom,and the use of the new compounds as herbicides.
    Type: Grant
    Filed: October 17, 1984
    Date of Patent: May 19, 1987
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Kozo Shiokawa, Koichi Moriya, Toshio Goto, Atsumi Kamochi, Seishi Ito, Mitsugu Horita
  • Patent number: 4632927
    Abstract: A class of bicyclic nitrogen heterocyclic ether and thioether compounds exhibiting pharmacological activity including cytoprotective, H.sub.2 -antagonist, anti-secretory and anti-ulcerogenic activity, pharmaceutical compositions comprising these compounds, and methods for the treatment of gastrointestinal hyperacidity and ulcerogenic disorders in mammals using said compositions are disclosed.
    Type: Grant
    Filed: March 20, 1984
    Date of Patent: December 30, 1986
    Assignee: William H. Rorer, Inc.
    Inventors: Henry F. Campbell, Donald E. Kuhla, William L. Studt, Stuart A. Dodson
  • Patent number: 4520199
    Abstract: 3-Alkoxy-4-substituted phenoxy alkanoic acid esters, derivatives thereof, and the use thereof for the control of weeds.
    Type: Grant
    Filed: August 13, 1982
    Date of Patent: May 28, 1985
    Assignee: Zoecon Corporation
    Inventors: Gustave K. Kohn, Joe T. Bamberg
  • Patent number: 4508906
    Abstract: 3-Amino-4-substituted phenoxy alkanoic (alkenoic) acid esters, derivatives thereof, and the use thereof for the control of weeds.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: April 2, 1985
    Assignee: Zoecon Corporation
    Inventors: Joe T. Bamberg, Gustave K. Kohn
  • Patent number: 4505923
    Abstract: Novel ethers of hydroxy-2-benzothiazolesulfonamide are useful for the topical treatment of elevated intraocular pressure. Ophthalmic compositions include drops and inserts.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: March 19, 1985
    Assignee: Merck & Co., Inc.
    Inventors: Jacob M. Hoffman, Jr., Otto W. Woltersdorf, Jr.
  • Patent number: 4500538
    Abstract: Novel carbonates of 6(or 5)-hydroxy-2-benzothiazolesulfonamide are useful for the topical treatment of elevated intraocular pressure. Ophthalmic compositions include drops and inserts.
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: February 19, 1985
    Assignee: Merck & Co., Inc.
    Inventor: Otto W. Woltersdorf
  • Patent number: 4483992
    Abstract: 3-Alkylthio (arylthio)-4-substituted phenoxy alkanoic acid esters, derivatives thereof, and the use thereof for the control of weeds.
    Type: Grant
    Filed: August 10, 1982
    Date of Patent: November 20, 1984
    Assignee: Zoecon Corporation
    Inventors: Gustave K. Kohn, Joe T. Bamberg
  • Patent number: 4477672
    Abstract: 3-Alkylsulfonyloxy-4-substituted phenoxy alkanoic acid esters and the use thereof as intermediates for and as herbicides.
    Type: Grant
    Filed: August 6, 1982
    Date of Patent: October 16, 1984
    Assignee: Zoecon Corporation
    Inventors: Gustave K. Kohn, Joe T. Bamberg
  • Patent number: 4472417
    Abstract: Novel carbamates of 6(or 5)-hydroxy-2- benzothiazolesulfonamide are useful for the topical treatment of elevated intraocular pressure. Ophthalmic compositions include drops and inserts.
    Type: Grant
    Filed: April 22, 1983
    Date of Patent: September 18, 1984
    Assignee: Merck & Co., Inc.
    Inventor: Otto W. Woltersdorf, Jr.
  • Patent number: 4472418
    Abstract: Novel sulfamates of 6(or 5)-hydroxy-2-benzothiazolesulfonamide are useful for the topical treatment of elevated intraocular pressure. Ophthalmic compositions include drops and inserts.
    Type: Grant
    Filed: April 22, 1983
    Date of Patent: September 18, 1984
    Assignee: Merck & Co., Inc.
    Inventor: Otto W. Woltersdorf, Jr.
  • Patent number: 4470991
    Abstract: Novel sulfonates of 6(or 5)-hydroxy-2-benzothiazolesulfonamide are useful for the topical treatment of elevated intraocular pressure. Ophthalmic compositions include drops and inserts.
    Type: Grant
    Filed: April 22, 1983
    Date of Patent: September 11, 1984
    Assignee: Merck & Co., Inc.
    Inventor: Otto W. Woltersdorf, Jr.
  • Patent number: 4469872
    Abstract: Substituted phenoxyhydroxyketones, intermediates therefor, synthesis thereof, and the use of said compounds for the control of weeds.
    Type: Grant
    Filed: August 20, 1982
    Date of Patent: September 4, 1984
    Assignee: Zoecon Corporation
    Inventors: Richard J. Anderson, Shy-Fuh Lee
  • Patent number: 4467092
    Abstract: N-alkyl (aryl) carbamates and thiocarbamates of 3-hydroxy-4-substituted phenoxy alkanoic acid esters which are useful for the control of weeds.
    Type: Grant
    Filed: August 20, 1982
    Date of Patent: August 21, 1984
    Assignee: Zoecon Corporation
    Inventors: Gustave K. Kohn, Joe T. Bamberg
  • Patent number: 4426388
    Abstract: Novel carboxylic acid esters of 5-hydroxy-2-benzothiazolesulfonamide are shown to be useful for the topical treatment of elevated intraocular pressure. Ophthalmic compositions including drops and inserts are also disclosed, as well as methods for preparing the novel compounds.
    Type: Grant
    Filed: April 2, 1982
    Date of Patent: January 17, 1984
    Assignee: Merck & Co., Inc.
    Inventor: Otto W. Woltersdorf, Jr.
  • Patent number: 4416890
    Abstract: Novel carboxylic acid esters of 6-hydroxy-2-benzothiazolesulfonamide are shown to be useful for the topical treatment of elevated intraocular pressure. Ophthalmic compositions including drops and inserts are also disclosed, as well as methods for preparing the novel compounds.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: November 22, 1983
    Assignee: Merck & Co., Inc.
    Inventor: Otto W. Woltersdorf, Jr.
  • Patent number: 4410704
    Abstract: N-substituted benzothiazole-2-sulfonamide compounds represented by the general formula: ##STR1## wherein R is selected from the group consisting of benzothiazolyl or substituted benzothiazolyl represented by the general formula: ##STR2## wherein X is selected from the group consisting of halogen, lower alkyl, lower alkoxy, acetamido or nitro;R' is selected from the group consisting of hydrogen, alkyl, cycloalkyl, benzyl, phenyl, naphthyl, R"--S--, or substituted aryl represented by the general formula: ##STR3## wherein Y is selected from the group consisting of halogen, lower alkyl, or nitro, or mixtures thereof; andR" being selected from the group consisting of alkyl, cycloalkyl, benzyl, phenyl, naphthyl, trichloromethyl or substituted aryl represented by the general formula: ##STR4## wherein Z is selected from the group consisting of halogen, lower alkyl, nitro or carboxy.Methods of making and using the inventive compounds, including their use as scorch retardants.
    Type: Grant
    Filed: April 15, 1981
    Date of Patent: October 18, 1983
    Assignee: Sanshin Kagaku Kogyo Co., Ltd.
    Inventors: Yutaka Kawaoka, Hideo Oda, Masataka Yasumoto, Kazuya Hirota, Yuji Ishinaga, Masakazu Morita
  • Patent number: 4371698
    Abstract: Process for the purification of mercaptobenzothiazole in which the crude product resulting from the reaction of aniline, sulfur and carbon disulfide according to the known process is treated with aniline.
    Type: Grant
    Filed: February 14, 1980
    Date of Patent: February 1, 1983
    Assignee: P C U K Produits Chimiques Ugine Kuhlmann
    Inventors: Michel J. C. Alicot, Adrien P. N. Tignol
  • Patent number: 4351945
    Abstract: Azole and azoline disulfides useful as corrosion inhibitors and antiwear agents are prepared by the halogen-induced coupling of a thiol reactant e.g., hydrocarbyl mercaptans, with a metal azole thiolate, e.g. the potassium salt of 3,5-bis-mercapto 1,2,4-thiadiazole or 2,5-bis-mercapto 1,3,4 thiadiazole in a 2-phase reaction medium comprising a mixture of a hydrocarbon and water.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: September 28, 1982
    Assignee: Exxon Research & Engineering Co.
    Inventors: Stanley J. Brois, Antonio Gutierrez
  • Patent number: 4350818
    Abstract: There is disclosed a novel class of vulcanization accelerators, specifically compounds such as 2-(isopropylsulfinyl)-benzothiazole.
    Type: Grant
    Filed: January 14, 1981
    Date of Patent: September 21, 1982
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Roger J. Hopper, Budd H. Sturm, Joseph F. Geiser
  • Patent number: 4324793
    Abstract: 4-Nitro-2-trichloromethylphenyl disulfides, their manufacture, agents containing these compounds as active ingredients for use on microorganisms, and the use of these compounds for protecting substrates against microorganisms.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: April 13, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Wolfgang Reuther, Ernst-Heinrich Pommer
  • Patent number: 4287349
    Abstract: Beta-alkyl (or aryl) beta-hydroxyethyl heterocyclic sulfoxides are prepared by reacting an olefin and 2-mercaptobenzothiazole with oxygen in the presence of a dye sensitizer using visible light as an energy source at a temperature from -10.degree. to 70.degree. C.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: September 1, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventor: Ellis K. Fields
  • Patent number: 4286096
    Abstract: Azole and azoline disulfides useful as corrosion inhibitors and antiwear agents are prepared by the halogen-induced coupling of a thiol reactant e.g., hydrocarbyl mercaptans, with a metal azole thiolate, e.g. the potassium salt of 3,5-bis-mercapto 1,2,4-thiadiazole or 2,5-bis-mercapto 1,3,4-thiadiazole in a 2-phase reaction medium comprising a mixture of a hydrocarbon and water.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: August 25, 1981
    Assignee: Exxon Research & Engineering Co.
    Inventors: Stanley J. Brois, Antonio Gutierrez
  • Patent number: 4258193
    Abstract: A disulfide derivative, having S--S exchange reactivity, of the formulaR.sub.1 --S--S--R.sub.2 --CO--R.sub.3).sub.n R.sub.4 [I]wherein R.sub.1 is 2-benzothiazolyl or 2-pyridyl-N-oxide, R.sub.2 is alkylene having optionally free or protected functional groups, R.sub.3 is the carboxyl residue of an amino acid or lower polypeptide, R.sub.4 is carboxyl or a reactive derivative thereof or protected carboxyl or imidate, and n is 0 or 1.
    Type: Grant
    Filed: July 13, 1979
    Date of Patent: March 24, 1981
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Tadashiro Fujii, Nobuaki Nakagawa, Kikuo Kotani
  • Patent number: 4238405
    Abstract: Novel biocidal compounds have the general structural formula ##STR1## wherein n is 0, 1, or 2 and R is alkyl, alkylcarbalkoxy, cyclohexyl, halophenyl, benzyl, N,N-di-lower alkyl carbamoyl, hexamethyleneimino carbonyl, pyrimidyl, lower alkyl substituted pyrimidyl, benzimidazole, lower alkyl substituted imidazole, benzothiazole and O,O-di-lower alkyl thiophosphoryl; with the proviso that when n is 0, R is other than alkyl or cyclohexyl.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: December 9, 1980
    Assignee: Stauffer Chemical Company
    Inventor: Raymond A. Felix
  • Patent number: 4237267
    Abstract: A disulfide compound of a carrier, having S--S exchange reactivity, of the formulaR--S--S--X.sub.1 --X.sub.2 --A [I]wherein R is 2-benzothiazolyl, X.sub.1 is a spacer group directly bound to the --S--S-- and comprises a plurality of carbon atoms in a straight or branched chain, X.sub.2 is an imide or amide bonding group, and A is an insoluble carrier selected from the group consisting of beads gel agarose residue, gamma-aminopropylated nylon beads residue and a residual group of partially reduced polyacrylonitrile porous granules or fibers.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: December 2, 1980
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Tsuneo Okuyama, Tadashiro Fujii, Nobuaki Nakagawa, Kikuo Kotani