Patents Assigned to Tristrata Technology, Inc.
-
Patent number: 6767924Abstract: A composition comprising an amphoteric or pseudo-amphoteric agent and a polyhydroxy alpha hydroxyacid existing as a free acid, lactone, or salt, and isomeric or non-isomeric forms thereof is provided. The amphoteric or pseudo-amphoteric agent can be selected from amino acids, dipeptides, aminoaldonic acid, aminouronic acid, lauryl aminoproplyglycine, aminoaldaric acid, neuraminic acid desulfated heparin, deacetylated hyaluronic acid, hyalobiuronic acid, chondrosine, deacetylated chondroitin, creatine, creatinine, hydroxyproline, homocysteine, homocystine, homoserine, ornithine, citrulline, phosphatidylserine, and sphingomyelin. The composition may contain other additives, including cosmetic or pharmaceutical agents for topical treatment of dermatological disorders.Type: GrantFiled: December 6, 2000Date of Patent: July 27, 2004Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 6191167Abstract: Preventive as well as therapeutic treatment to alleviate cosmetic conditions and symptoms of dermatologic disorders with amphoteric compositions containing alpha hydroxyacids, alpha ketoacids, related compounds or polymeric forms of hydroxyacids is disclosed. The cosmetic conditions and the dermatologic disorders in which the amphoteric compositions and the polymeric compounds may be useful include dry skin, dandruff, acne, keratoses, psoriasis, eczema, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, kyperkeratotic skin, inflammatory dermatoses, skin changes associated with aging, and skin requiring cleansers.Type: GrantFiled: February 23, 1999Date of Patent: February 20, 2001Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 6060512Abstract: Preventive as well as therapeutic treatment to alleviate cosmetic conditions and symptoms of dermatologic disorders with amphoteric compositions containing alpha hydroxyacids, alpha ketoacids, related compounds or polymeric forms of hydroxyacids is disclosed. The cosmetic conditions and the dermatologic disorders in which the amphoteric compositions and the polymeric compounds may be useful include dry skin, dandruff, acne, keratoses, psoriasis, eczema, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, kyperkeratotic skin, inflammatory dermatoses, skin changes associated with aging, and skin requiring cleansers.Type: GrantFiled: November 4, 1998Date of Patent: May 9, 2000Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 6051609Abstract: Composition and method for enhancing therapeutic effects of topically applied agents are disclosed. The cosmetic or therapeutic composition may include one or more of cosmetic or pharmaceutical agents present in a total amount of from 0.01 to 40 percent and one or more of hydroxycarboxylic acids or related compounds present in a total amount of from 0.01 to 99 percent by weight of the total composition. The cosmetic and pharmaceutical agents may include but not limited to age spots, wrinkles and keratoses removing agents; vitamins; aloes; sun screens; tanning, depigmenting and shampooing agents; antiyeasts; antifungal, antibacterial and antiviral agents; topical bronchial dilators and topical cardiovascular agents; hormonal agents; vasodilators; retinoids and other dermatological agents. The hydroxycarboxylic acids and related compounds include organic alpha and beta hydroxycarboxylic acids, alpha and beta ketocarboxylic acids and salts thereof.Type: GrantFiled: December 30, 1998Date of Patent: April 18, 2000Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5962526Abstract: Composition and method for enhancing therapeutic effects of topically applied agents are disclosed. The cosmetic or therapeutic composition may include one or more of cosmetic or pharmaceutical agents present in a total amount of from 0.01 to 40 percent and one or more of hydroxycarboxylic acids or related compounds present in a total amount of from 0.01 to 99 percent by weight of the total composition. The cosmetic and pharmaceutical agents may include but not limited to age spots, wrinkles and keratoses removing agents; vitamins; aloes; sun screens; tanning, depigmenting and shampooing agents; antiyeasts; antifungal, antibacterial and antiviral agents; topical bronchial dilators and topical cardiovascular agents; hormonal agents; vasodilators; retinoids and other dermatological agents. The hydroxycarboxylic acids and related compounds include organic alpha and beta hydroxycarboxylic acids, alpha and beta ketocarboxylic acids and salts thereof.Type: GrantFiled: September 9, 1997Date of Patent: October 5, 1999Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5942250Abstract: Uses of topical compositions comprising a 2-hydroxycarboxylic acid or related compound to alleviate or improve signs of skin, nail and hair changes associated with intrinsic or extrinsic aging are disclosed. 2-Hydroxycarboxylic acids and their related compounds include, for example, 2-hydroxyethanoic acid, 2-hydroxypropanoic acid, 2-methyl 2-hydroxypropanoic acid, 2-phenyl 2-hydroxyethanoic acid, 2-phenyl 2-methyl 2-hydroxyethanoic acid, 2-phenyl 3-hydroxypropanoic acid, 2,2-diphenyl 2-hydroxyethanoic acid, 2-hydroxybutane-1,4-dioicacid, 2,3-hihydroxybutane-1,4-dioic acid, 2-carboxy 2-hydroxypentane-1,5-dioic acid, 2-ketopropanoic acid, methyl 2-ketopropanoate, ethyl 2-ketopropanoate, and gluconolactone.Type: GrantFiled: June 7, 1995Date of Patent: August 24, 1999Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5889054Abstract: Composition and method for enhancing therapeutic effects of topically applied agents are disclosed. The cosmetic or therapeutic composition may include one or more of cosmetic or pharmaceutical agents present in a total amount of from 0.01 to 40 percent and one or more of hydroxycarboxylic acids or related compounds present in a total amount of from 0.01 to 99 percent by weight of the total composition. The cosmetic and pharmaceutical agents may include but not limited to age spots, wrinkles and keratoses removing agents; vitamins; aloes; sun screens; tanning, depigmenting and shampooing agents; antiyeasts; antifungal, antibacterial and antiviral agents; topical bronchial dilators and topical cardiovascular agents; hormonal agents; vasodilators; retinoids and other dermatological agents. The hydroxycarboxylic acids and related compounds include organic alpha and beta hydroxycarboxylic acids, alpha and beta ketocarboxylic acids and salts thereof.Type: GrantFiled: September 8, 1997Date of Patent: March 30, 1999Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5886042Abstract: Preventive as well as therapeutic treatment to alleviate cosmetic conditions and symptoms of dermatologic disorders with amphoteric compositions containing alpha hydroxyacids, alpha ketoacids, related compounds or polymeric forms of hydroxyacids is disclosed. The cosmetic conditions and the dermatologic disorders in which the amphoteric compositions and the polymeric compounds may be useful include dry skin, dandruff, acne, keratoses, psoriasis, eczema, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, kyperkeratotic skin, inflammatory dermatoses, skin changes associated with aging, and skin requiring cleansers.Type: GrantFiled: December 29, 1997Date of Patent: March 23, 1999Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5886041Abstract: Preventive as well as therapeutic treatment to alleviate cosmetic conditions and symptoms of dermatologic disorders with amphoteric compositions containing alpha hydroxyacids, alpha ketoacids, related compounds or polymeric forms of hydroxyacids is disclosed. The cosmetic conditions and the dermatologic disorders in which the amphoteric compositions and the polymeric compounds may be useful include dry skin, dandruff, acne, keratoses, psoriasis, eczema, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, kyperkeratotic skin, inflammatory dermatoses, skin changes associated with aging, and skin requiring cleansers.Type: GrantFiled: December 29, 1997Date of Patent: March 23, 1999Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5883128Abstract: Preventive as wall as therapeutic treatment to alleviate cosmetic conditions and symptoms of dermatologic disorders with amphoteric compositions containing alpha hydroxyacids, alpha ketoacids, related compounds or polymeric forms of hydroxyacids is disclosed. The cosmetic conditions and the dermatologic disorders in which the amphoteric compositions and the polymeric compounds may be useful include dry skin, dandruff, acne, keratoses, psoriasis, eczema, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, kyperkeratotic skin, inflammatory dermatoses, skin changes associated with aging, and skin requiring cleansers.Type: GrantFiled: December 29, 1997Date of Patent: March 16, 1999Assignee: Tristrata Technology Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5856357Abstract: Composition and method for enhancing therapeutic effects of topically applied agents are disclosed. The cosmetic or therapeutic composition may include one or more of cosmetic or pharmaceutical agents present in a total amount of from 0.01 to 40 percent and one or more of hydroxycarboxylic acids or related compounds present in a total amount of from 0.01 to 99 percent by weight of the total composition. The cosmetic and pharmaceutical agents may include but not limited to age spots, wrinkles and keratoses removing agents; vitamins; aloes; sun screens; tanning, depigmenting and shampooing agents; antiyeasts; antifungal, antibacterial and antiviral agents; topical bronchial dilators and topical cardiovascular agents; hormonal agents; vasodilators; retinoids and other dermatological agents. The hydroxycarboxylic acids and related compounds include organic alpha and beta hydroxycarboxylic acids, alpha and beta ketocarboxylic acids and salts thereof.Type: GrantFiled: September 24, 1997Date of Patent: January 5, 1999Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5834510Abstract: Uses of topical compositions comprising a 2-hydroxycarboxylic acid or related compound to alleviate or improve signs of skin, nail and hair changes associated with intrinsic or extrinsic aging are disclosed. 2-Hydroxycarboxylic acids and their related compounds include, for example, 2-hydroxyethanoic acid, 2-hydroxypropanoic acid, 2-methyl 2-hydroxypropanoic acid, 2-phenyl 2-hydroxyethanoic acid, 2-phenyl 2-methyl 2-hydroxyethanoic acid, 2-phenyl 3-hydroxypropanoic acid, 2,2-diphenyl 2-hydroxyethanoic acid, 2-hydroxybutane-1,4-dioic acid, 2,3-hihydroxybutane-1,4-dioic acid, 2-carboxy 2-hydroxypentane-1,5-dioic acid, 2-ketopropanoic acid, methyl 2-ketopropanoate, ethyl 2-ketopropanoate, and gluconolactone.Type: GrantFiled: June 7, 1995Date of Patent: November 10, 1998Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5827882Abstract: Methods for visibly reducing a skin wrinkle and for reversing the effect of aging on human facial skin involving comprising topically applying to the wrinkle and/or affected facial skin ethyl pyruvate.Type: GrantFiled: June 6, 1995Date of Patent: October 27, 1998Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5716992Abstract: Methods for visibly reducing a skin wrinkle and for reversing the effect of aging on human facial skin involving comprising topically applying to the wrinkle and/or affected facial skin mucic acid or mucolactone.Type: GrantFiled: June 6, 1995Date of Patent: February 10, 1998Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5702688Abstract: Preventive as well as therapeutic treatment to alleviate cosmetic conditions and symptoms of dermatologic disorders with amphoteric compositions containing alpha hydroxyacids, alpha ketoacids, related compounds or polymeric forms of hydroxyacids is disclosed. The cosmetic conditions and the dermatologic disorders in which the amphoteric compositions and the polymeric compounds may be useful include dry skin, dandruff, ache, keratoses, psoriasis, eczema, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, kyperkeratotic skin, inflammatory dermatoses, skin changes associated with aging, and skin requiring cleansers.Type: GrantFiled: October 7, 1993Date of Patent: December 30, 1997Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5691378Abstract: Composition and method for enhancing therapeutic effects of topically applied agents are disclosed. The cosmetic or therapeutic composition may include one or more of cosmetic or pharmaceutical agents present in a total amount of from 0.01 to 40 percent and one or more of hydroxycarboxylic acids or related compounds present in a total amount of from 0.01 to 99 percent by weight of the total composition. The cosmetic and pharmaceutical agents may include but not limited to age spots, wrinkles and keratoses removing agents; vitamins; aloes; sun screens; tanning, depigmenting and shampooing agents; antiyeasts; antifungal, antibacterial and antiviral agents; topical bronchial dilators and topical cardiovascular agents; hormonal agents; vasodilators; retinoids and other dermatological agents. The hydroxycarboxylic acids and related compounds include organic alpha and beta hydroxycarboxylic acids, alpha and beta ketocarboxylic acids and salts thereof.Type: GrantFiled: June 7, 1995Date of Patent: November 25, 1997Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5690967Abstract: Compositions for improved topical delivery of lactic acid comprising lactic acid and an amphoteric or pseudoamphoteric agent.Type: GrantFiled: June 7, 1995Date of Patent: November 25, 1997Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5686489Abstract: Alpha hydroxyacid esters and related compounds on topical application induced increased skin thickness due to new biosyntheses of dermal components including glycosaminoglycans, proteoglycans, collagen and elastin. Such dermal effects are desirable and beneficial for topical use and treatment of aging related integumental changes including age spots, skin lines, wrinkles, photoaging and aging skin.Type: GrantFiled: June 7, 1995Date of Patent: November 11, 1997Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5681853Abstract: Methods for improved topical delivery of an alpha hydroxyacid, alpha ketoacid or related compound.Type: GrantFiled: June 7, 1995Date of Patent: October 28, 1997Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott
-
Patent number: 5677340Abstract: Methods for visibly reducing a skin wrinkle and for reversing the effect of aging on human facial skin involving comprising topically applying to the wrinkle and/or affected facial skin gluconic acid or gluconolactone.Type: GrantFiled: June 6, 1995Date of Patent: October 14, 1997Assignee: Tristrata Technology, Inc.Inventors: Ruey J. Yu, Eugene J. Van Scott