Patents by Inventor Arnold A. Zweig
Arnold A. Zweig 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).
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Patent number: 5088873Abstract: A mixed freight handling system, particularly for limited access areas such as an end-opening trailer at a dock, includes a telescoping conveyor overlapping a fixed conveyor and translatable into the trailer to receive hand liftable articles. A freight manipulator includes an appropriate and changeable freight manipulator tool mounted on an extendible boom and is translatable adjacent and along the conveyors to the dock edge. The tool is extendible into the trailer for engaging and supporting manually nonliftable freight for transfer to or from a freight conveyor extending alongside the path of the manipulator. The telescoping conveyor includes a base section engaged with a track, an inclinable lift section, and a liftable and laterally swingable head section. The manipulator includes a chassis engaged with a track straddling the fixed and telescoping conveyors and has a tunnel formed therethrough, allowing the passage of articles on the conveyors therebeneath.Type: GrantFiled: January 14, 1991Date of Patent: February 18, 1992Assignee: Yellow Freight System, Inc.Inventors: Carl J. Ruder, Ronald J. Haney, Richard J. Chutorash, Wayne W. Bostad, Arnold A. Zweig, Lyle B. Payne
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Patent number: 5067867Abstract: A mixed freight handling system, particularly for limited access areas such as an end-opening trailer at a dock, includes a telescoping conveyor overlapping a fixed conveyor and translatable into the trailer to receive hand liftable articles. A freight manipulator includes an appropriate and changeable freight manipulator tool mounted on an extendible boom and is translatable adjacent and along the conveyors to the dock edge. The tool is extendible into the trailer for engaging and supporting manually nonliftable freight for transfer to or from a freight conveyor extending alongside the path of the manipulator. The telescoping conveyor includes a base section engaged with a track, an inclinable lift section, and a liftable and laterally swingable head section. The manipulator includes a chassis engaged with a track straddling the fixed and telescoping conveyors and has a tunnel formed therethrough, allowing the passage of articles on the conveyors therebeneath.Type: GrantFiled: January 14, 1991Date of Patent: November 26, 1991Assignee: Yellow Freight System, Inc.Inventors: Carl J. Ruder, Ronald J. Haney, Richard J. Chutorash, Wayne W. Bostad, Arnold A. Zweig, Lyle B. Payne
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Patent number: 5009560Abstract: A mixed freight handling system, particularly for limited access areas such as an end-opening trailer at a dock, includes a telescoping conveyor overlapping a fixed conveyor and translatable into the trailer to receive hand liftable articles. A freight manipulator includes an appropriate and changeable freight manipulator tool mounted on an extendible boom and is translatable adjacent and along the conveyors to the dock edge. The tool is extendible into the trailer for engaging and supporting manually nonliftable freight for transfer to or from a freight conveyor extending alongside the path of the manipulator. The telescoping conveyor includes a base section engaged with a track, an inclinable lift section, and a liftable and laterally swingable head section. The manipulator includes a chassis engaged with a track straddling the fixed and telescoping conveyors and has a tunnel formed therethrough; allowing the passage of articles on the conveyors therebeneath.Type: GrantFiled: December 6, 1988Date of Patent: April 23, 1991Assignee: Yellow Freight System, Inc.Inventors: Carl J. Ruder, Ronald J. Haney, Richard J. Chutorash, Wayne W. Bostad, Arnold A. Zweig, Lyle B. Payne
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Patent number: 4394527Abstract: There is provided a process for effecting fluorination of benzene, p-difluorobenzene or p-dichlorobenzene by subjecting the same to the action of argentic fluoride (AgF.sub.2) in the liquid phase to obtain fluorobenzene from benzene or a fluorinated cyclohexadiene from halogenated benzene, respectively, in good yield and purity.Type: GrantFiled: October 22, 1979Date of Patent: July 19, 1983Assignee: American Cyanamid CompanyInventors: Robert G. Fischer, Jr., Arnold Zweig
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Patent number: 4339603Abstract: There is provided a process for racemizing an undesirable, optically active compound for conversion to levamisole, namely, l-N-(2-amino-2-phenethyl)-2-methoxyethylamine, by converting the latter to optically active l-(2-methoxyethyl)-4-phenyl-2-imidazolidone, which is next converted to the corresponding optically inactive imidazolidone derivative, which derivative is hydrolyzed to the optically inactive racemate, dl-N-(2-amino-2-phenethyl)-2-methoxyethylamine. The latter can be resolved to obtain the d and l components of the racemate, the d component being utilized directly in levamisole synthesis and the l component being again subjected to the above procedure.Type: GrantFiled: January 8, 1979Date of Patent: July 13, 1982Assignee: American Cyanamid CompanyInventors: Sivaraman Raghu, Arnold Zweig
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Patent number: 4304949Abstract: A process for the preparation of ortho-methyldiphenylmethane, a compound useful as an intermediate in the synthesis of anthraquinone, using liquid hydrogen fluoride to catalyze the alkylation of benzene with .alpha.-chloro-o-xylene at temperatures from about -10.degree. C. to 10.degree. C.Type: GrantFiled: July 25, 1980Date of Patent: December 8, 1981Assignee: American Cyanamid CompanyInventors: Arnold Zweig, Robert G. Fischer
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Patent number: 4273764Abstract: Resmethrin and 4,5-benzospiro[2,4]hepta-4,6-diene-1-carboxylic acid, .alpha.-cyano-m-phenoxybenzyl ester are stabilized against degradation with stabilizing amounts of nickel complexes of 2,2'-thiobis(p-alkylphenols).Type: GrantFiled: August 30, 1979Date of Patent: June 16, 1981Assignee: American Cyanamid CompanyInventors: Arnold Zweig, Arthur K. Hoffmann
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Patent number: 4220640Abstract: Resmethrin and 4,5-benzospiro[2,4]hepta-4,6-diene-1-carboxylic acid, .alpha.-cyano-m-phenoxybenzyl ester are stabilized against degradation with stabilizing amounts of nickel complexes of 2,2'-thiobis(p-alkylphenols).Type: GrantFiled: May 13, 1976Date of Patent: September 2, 1980Assignee: American Cyanamid CompanyInventors: Arnold Zweig, Arthur K. Hoffman
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Patent number: 4199510Abstract: There is provided a process for the preparation of an amido or an ureido derivative of certain 4,5,6,7-tetrahydro-7-oxobenzo[b]thiophenes or certain 1,2,3,4-tetrahydro-4-oxonaphthalenes which can be employed as an animal growth regulant. The process comprises: oxidizing in the presence of a cobaltic carboxylate reactant and in the absence or presence of air, a compound having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each a substituent selected from the group consisting of alkanoyl C.sub.1 -C.sub.7, halogen-substituted alkanoyl C.sub.1 -C.sub.7, carboalkoxy C.sub.1 -C.sub.4, ##STR2## and ##STR3## R.sub.3 is selected from the group consisting of hydrogen and alkyl C.sub.1 -C.sub.4 ; R.sub.4 is selected from the group consisting of hydrogen, alkyl C.sub.1 -C.sub.8, alkanoyl C.sub.2 -C.sub.4, halogen-substituted alkanoyl (C.sub.2 -C.sub.Type: GrantFiled: April 4, 1978Date of Patent: April 22, 1980Assignee: American Cyanamid CompanyInventors: Arnold Zweig, Robert G. Fischer, Jr.
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Patent number: 4196297Abstract: Processes for the separation of enantiomers, such as those of 1-(2-methoxyethyl)-4-phenyl-2-imidazolidone, which comprises crystallizing a racemic mixture from a solution of the enriched enantiomer in a selective solvent.Type: GrantFiled: November 6, 1978Date of Patent: April 1, 1980Assignee: American Cyanamid CompanyInventors: Nancy S. Kurose, Arnold Zweig
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Patent number: 4168381Abstract: A method for the attainment of enhanced enantioselectivity in the reduction of 3-acyl derivatives of 1-(2-alkoxyethyl)-4-phenyl-imidazolin-2-ones to the optically active 3-acyl derivatives of 1-(2-alkoxyethyl)-4-phenyl-2-imidazolidones for use in the direct manufacture of levamisole, (-), 2, 3, 5, 6-tetrahydro-6-phenylimidazo-[2,1-b]-thiazole, useful as an anthelmintic has been discovered. The method involves the preferred use of iodide salts of Rh(I) complexes of optically active bis-tertiary phosphines to achieve maximum enantioselectivity. The methods for preparing the iodide salts are disclosed.Type: GrantFiled: April 14, 1978Date of Patent: September 18, 1979Assignee: American Cyanamid CompanyInventors: Robert G. Fischer, Jr., Arnold Zweig, Sivaraman Raghu
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Patent number: 4013620Abstract: Rubber stabilized against the deleterious effects of oxidation with stabilizing amounts of nickel complexes of 2,2'-thiobis(p-alkylphenols) and a method therefor, are disclosed.Type: GrantFiled: January 17, 1972Date of Patent: March 22, 1977Assignee: American Cyanamid CompanyInventors: William Arthur Henderson, Jr., Arnold Zweig
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Patent number: 3963555Abstract: A drive arrangement pressurizing system and method for a veneer edge gluer apparatus having a low pressure, constant-drive infeed crowder section and a high pressure intermittent-drive outfeed crowder section for producing a continuous veneer ribbon which is moved in a straight line path of travel as it issues from the edge gluer.Type: GrantFiled: December 28, 1973Date of Patent: June 15, 1976Assignee: Simpson Timber CompanyInventor: Arnold A. Zweig