Patents Assigned to Chai-Tech Corporation
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Patent number: 5756491Abstract: Compounds having the formula ##STR1## wherein each A may be the same or different and is an alkyl group, a phenyl group or a substituted derivative of a phenyl group;Y may be the same or different and is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; B may be the same or different and each is hydrogen or an alkyl group;Z.sup.- is a soluble, pharmaceutically acceptable negative ion, andX may be the same or different and is an axial ligand selected from the group consisting of moieties having the formula: ##STR3## The compounds and compositions thereof exhibit antiviral activity.Type: GrantFiled: December 5, 1991Date of Patent: May 26, 1998Assignee: Chai-Tech CorporationInventor: Zvi Dori
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Patent number: 5587395Abstract: The present invention provides a complex compound having the structure: ##STR1## wherein R.sub.1 and R.sub.1' are the same or different and each is an alkyl group, a phenyl group or a substituted derivative of a phenyl group;wherein R.sub.2 and R.sub.2' are the same or different and each is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; wherein R.sub.3 and R.sub.3' are the same or different and each is hydrogen or an alkyl group;wherein X and X' are the same or different and each is a water soluble group having weak to intermediate ligand field strength; andQ is a soluble, pharmaceutically acceptable negative ion.The invention also provides a method of treating a subject having a condition associated with the presence of free radicals in quantities sufficient to cause undesirable symptoms.Type: GrantFiled: April 25, 1995Date of Patent: December 24, 1996Assignee: Chai-Tech CorporationInventors: Zvi Dori, David Gershon
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Patent number: 5409914Abstract: The present invention provides a pharmaceutical composition of a complex compound having the structure: ##STR1## wherein R.sub.1 and R.sub.1, are the same or different and each is an alkyl group, a phenyl group or a substituted derivative of a phenyl group;wherein R.sub.2 and R.sub.2, are the same or different and each is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; wherein R.sub.3 and R.sub.3, are the same or different and each is hydrogen or an alkyl group;wherein X and X' are the same or different and each is a water soluble group having weak to intermediate ligand field strength; andQ is a soluble, pharmaceutically acceptable negative ion.Type: GrantFiled: November 1, 1993Date of Patent: April 25, 1995Assignee: Chai-Tech CorporationInventors: Zvi Dori, David Gershon
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Patent number: 5258403Abstract: The present invention provides pharmaceutical compositions for the treatment of tumor cells in a subject of for the treating of undesirable symptoms associated with the presence of free radicals. The compositions comprising a complex compound having the structure: ##STR1## wherein R.sub.1 and R.sub.1, are the same or different and each is an alkyl group, a phenyl group or a substituted derivative of a phenyl group;wherein R.sub.2 and R.sub.2, are the same or different and each is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; wherein R.sub.3 and R.sub.3, are the same or different and each is hydrogen or an alkyl group;wherein X and X' are the same or different and each is a water soluble group having weak to intermediate ligand field strength; andQ is a soluble, pharmaceutically acceptable negative ion and a pharmaceutically acceptable carrier.Type: GrantFiled: June 2, 1992Date of Patent: November 2, 1993Assignee: Chai-Tech CorporationInventors: Zvi Dori, David Gershon
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Patent number: 5210096Abstract: Compositions having significant activity as antiviral agent are disclosed containing, as an active component, a compound having the structural formula: ##STR1## wherein R.sub.1 and R.sub.1' are the same or different and each is an alkyl group, a phenyl group or a substituted derivative of a phenyl group;wherein R.sub.2 and R.sub.2' are the same or different and each is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; wherein R.sub.3 and R.sub.3' are the same or different and each is hydrogen or an alkyl group;wherein X and X' are the same or different and each is a water soluble group having weak to intermediate ligand field strength; andQ.sup.- is a soluble, pharmaceutically acceptable negative ion.Methods of use of the inventive compositions are also disclosed.Type: GrantFiled: July 10, 1991Date of Patent: May 11, 1993Assignee: Chai-Tech CorporationInventor: David I. Scheer
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Patent number: 5142076Abstract: The present invention provides a complex compound having the structure: ##STR1## wherein R.sub.1 and R.sub.1, are the same or different and each is an alkyl group, a phenyl group or a substituted derivative of a phenyl group;wherein R.sub.2 and R.sub.2, are the same or different and each is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; wherein R.sub.3 and R.sub.3, are the same or different and each is hydrogen or an alkyl group;wherein X and X' are the same or different and each is a water soluble group having weak to intermediate ligand field strength; andQ is a soluble, pharmaceutically acceptable negative ion.The invention also provides a method of treating a subject having a condition associated with the presence of free radicals in quantities sufficient to cause undesirable symptoms.Type: GrantFiled: October 30, 1990Date of Patent: August 25, 1992Assignee: Chai-Tech CorporationInventors: Zvi Dori, David Gershon
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Patent number: 5106841Abstract: Compositions having significant activity as antiviral agent are disclosed containing, as an active component, a compound having the structural formula: ##STR1## wherein R.sub.1 and R.sub.1' are the same or different and each is an alkyl group, a phenyl group or a substituted derivative of a phenyl group;wherein R.sub.2 and R.sub.2' are the same or different and each is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; wherein R.sub.3 and R.sub.3' are the same or different and each is hydrogen or an alkyl group;wherein X and X' are the same or different and each is a water soluble group having weak to intermediate ligand field strength; andQ.sup.- is a soluble, pharmaceutically acceptable negative ion.Methods of use of the inventive compositions are also disclosed.Type: GrantFiled: March 30, 1990Date of Patent: April 21, 1992Assignee: Chai-Tech CorporationInventor: David I. Scheer
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Patent number: 5049557Abstract: The present invention provides a complex compound having the structure: ##STR1## wherein R.sub.1 and R.sub.1, are the same or different and each is an alkyl group, a phenyl group or a substituted derivative of a phenyl group;wherein R.sub.2 and R.sub.2, are the same or different and each is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; wherein R.sub.3 and R.sub.3, are the same or different and each is hydrogen or an alkyl group;wherein X and X' are the same or different and each is a water soluble group having weak to intermediate ligand field strength; andQ is a soluble, pharmaceutically acceptable negative ion.The invention also provides a method of treating a subject having a condition associated with the presence of free radicals in quantities sufficient to cause undesirable symptoms.Type: GrantFiled: December 2, 1988Date of Patent: September 17, 1991Assignee: Chai-Tech CorporationInventors: Zvi Dori, David Gershon
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Patent number: 4866054Abstract: A method of treating an inflammatory condition in a mammalian subject, particularly arthritis, comprising the steps of administering an effective and nontoxic dose for an inflammation ameliorating period to the subject of at least one metallo-organic complex capable of in vivo superoxide anti-oxidant effects and wherein the metal of the complex is selected from the group which consists of cobalt and iron.Type: GrantFiled: January 25, 1988Date of Patent: September 12, 1989Assignee: Chai-Tech CorporationInventors: Zvi Dori, David Gershon
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Patent number: 4866053Abstract: A new method of treating a burn is disclosed wherein a cobalt-containing metallo-organic complex is applied to the burn site to promote epithelialization and in some cases hair follicle preservation as well.Type: GrantFiled: January 25, 1988Date of Patent: September 12, 1989Assignee: Chai-Tech CorporationInventors: Zvi Dori, David Gershon, Yehuda Scharf