Patents by Inventor Ruey J. Yu

Ruey J. Yu 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).

  • Publication number: 20100093827
    Abstract: A method of treating a tar-responsive dermatological disorder includes topically applying an anhydrous tar composition to skin of a mammal, preferably a human, that is involved with the disorder, the composition including a wax and a therapeutically effective amount of tar for topical treatment of the tar-responsive dermatological disorder, the composition being in liquid form when at a temperature selected from room temperature and a temperature of skin of a mammal upon application of the composition to the skin of the mammal.
    Type: Application
    Filed: December 15, 2009
    Publication date: April 15, 2010
    Applicant: TRISTRATA, INC.
    Inventors: Ruey J. YU, Eugene J. VAN SCOTT, Yaling LEE
  • Publication number: 20090208499
    Abstract: The present invention relates to an N-(phosphonoalkyl)-amino acid, a related compound or a derivative thereof, the N-(phosphonoalkyl)-amino acid, related compound or derivative thereof being in a form as a free acid, salt, partial salt, lactone, amide or ester, or in stereoisomeric or non-stereoisomeric form, other than N-(phosphonomethyl)-glycine or N,N-bis(phosphonomethyl)-glycine. Also included is a composition including an N-(phosphonoalkyl)-amino acid, a related compound or a derivative thereof in a form as a free acid, salt, partial salt, lactone, amide or ester, or in stereoisomeric or non-stereoisomeric form, and a cosmetically or pharmaceutically acceptable vehicle for topical or systemic administration to a mammalian subject, as well as a method of administering an effective amount of such a composition for alleviating or improving a condition, disorder, symptom or syndrome associated with at least one of a nervous, vascular, musculoskeletal or cutaneous system.
    Type: Application
    Filed: April 23, 2009
    Publication date: August 20, 2009
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Patent number: 7572776
    Abstract: The present invention relates to an N-(phosphonoalkyl)-amino acid, a related compound or a derivative thereof, the N-(phosphonoalkyl)-amino acid, related compound or derivative thereof being in a form as a free acid, salt, partial salt, lactone, amide or ester, or in stereoisomeric or non-stereoisomeric form, other than N-(phosphonomethyl)-glycine or N,N-bis(phosphonomethyl)-glycine. Also included is a composition including an N-(phosphonoalkyl)-amino acid, a related compound or a derivative thereof in a form as a free acid, salt, partial salt, lactone, amide or ester, or in stereoisomeric or non-stereoisomeric form, and a cosmetically or pharmaceutically acceptable vehicle for topical or systemic administration to a mammalian subject, as well as a method of administering an effective amount of such a composition for alleviating or improving a condition, disorder, symptom or syndrome associated with at least one of a nervous, vascular, musculoskeletal or cutaneous system.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: August 11, 2009
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20090186853
    Abstract: The embodiments relate to compositions comprising therapeutically effective amounts of at least one N-propanoyl derivative of amino acids, aminocarbohydrates, and derivatives thereof. The compositions are useful the prevention and treatment of symptoms or syndromes associated with nervous, vascular, musculoskeletal, or cutaneous systems. The compositions may be topically or systemically administered to a subject in need thereof.
    Type: Application
    Filed: April 3, 2009
    Publication date: July 23, 2009
    Inventors: Ruey J. YU, Eugene J. Van Scott
  • Publication number: 20080306025
    Abstract: The present invention relates to an N-(phosphonoalkyl)-amino acid, a related compound or a derivative thereof, the N-(phosphonoalkyl)-amino acid, related compound or derivative thereof being in a form as a free acid, salt, partial salt, lactone, amide or ester, or in stereoisomeric or non-stereoisomeric form, other than N-(phosphonomethyl)-glycine or N,N-bis(phosphonomethyl)-glycine. Also included is a composition including an N-(phosphonoalkyl)-amino acid, a related compound or a derivative thereof in a form as a free acid, salt, partial salt, lactone, amide or ester, or in stereoisomeric or non-stereoisomeric form, and a cosmetically or pharmaceutically acceptable vehicle for topical or systemic administration to a mammalian subject, as well as a method of administering an effective amount of such a composition for alleviating or improving a condition, disorder, symptom or syndrome associated with at least one of a nervous, vascular, musculoskeletal or cutaneous system.
    Type: Application
    Filed: August 19, 2008
    Publication date: December 11, 2008
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Patent number: 7452545
    Abstract: Compositions comprising oligosaccharide aldonic acids are useful for general care, as well as for treatment and prevention, of various cosmetic conditions and dermatological disorders, including those associated with intrinsic and/or extrinsic aging, as well as with changes or damage caused by extrinsic factors; general care, as well as treatment and prevention of diseases and conditions, of the oral, and vaginal mucosa; for general oral care, as well as treatment and prevention of oral and gum diseases; and for wound healing of the skin. Compositions comprising oligosaccharide aldonic acids may further comprise a cosmetic, pharmaceutical or other topical agent to enhance or create synergetic effects.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: November 18, 2008
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Patent number: 7429575
    Abstract: The present invention relates to an N-(phosphonoalkyl)-amino acid, a related compound or a derivative thereof, the N-(phosphonoalkyl)-amino acid, related compound or derivative thereof being in a form as a free acid, salt, partial salt, lactone, amide or ester, or in stereoisomeric or non-stereoisomeric form, other than N-(phosphonomethyl)-glycine or N,N-bis(phosphonomethyl)-glycine. Also included is a composition including an N-(phosphonoalkyl)-amino acid, a related compound or a derivative thereof in a form as a free acid, salt, partial salt, lactone, amide or ester, or in stereoisomeric or non-stereoisomeric form, and a cosmetically or pharmaceutically acceptable vehicle for topical or systemic administration to a mammalian subject, as well as a method of administering an effective amount of such a composition for alleviating or improving a condition, disorder, symptom or syndrome associated with at least one of a nervous, vascular, musculoskeletal or cutaneous system.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: September 30, 2008
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20080214649
    Abstract: Embodiments relate to compositions and use of compositions comprising amino acids and/or N-acetylamino acids for systemic administration to a mammal. Systemic administration is believed to alleviate or improve symptoms or syndromes associated with nervous, vascular, musculoskeletal, or cutaneous systems.
    Type: Application
    Filed: August 24, 2007
    Publication date: September 4, 2008
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20070207222
    Abstract: The present invention relates to a composition including a wax and a therapeutically effective amount of tar for topical treatment of a tar-responsive dermatological disorder, the composition being in liquid or light gel form when at a temperature selected from room temperature and a temperature of skin of a mammal upon application of the composition to the skin of the mammal. The invention also relates to a method of treating a tar-responsive dermatological disorder by topically applying the composition to skin of a mammal, preferably a human, that is involved with the disorder.
    Type: Application
    Filed: February 28, 2007
    Publication date: September 6, 2007
    Applicant: TriStrata, Inc.
    Inventors: Ruey J. Yu, Eugene J. Van Scott, Yaling Lee
  • Patent number: 6824786
    Abstract: The invention relates to compositions and methods useful for treating a variety of cosmetic conditions and dermatological disorders, where the composition includes a phenyl glycine derivative represented by the following formula: wherein, R1 and R2 are independently H, I, F, Cl, Br, OH, SH, NH2, NHNH2, alkyl, aralkyl, alkoxy, acetoxy, acyloxy group having 1 to 9 carbon atoms, and being attached at the 2, 3 or 4 position of the phenyl group, whereby when R1 and/or R2 are OH, SH, NH2, they may be acetylated or acylated with 1 to 9 carbon atoms; R3 is H, formyl, acetyl, propanoyl, acyl, alkyl, aralkyl or an aryl group having 1 to 9 carbon atoms; R4 is OH, NH2, NHOH, NHNH2, or OR; where R is an alkyl, aralkyl or aryl group having 1 to 9 carbon atoms; the H attached to any carbon or nitrogen atom may be substituted by I, F, Cl, Br, OH, SH, NH2, NHNH2, an alkyl, aralkyl, alkoxy or acyl group having 1 to 9 carbon atoms.
    Type: Grant
    Filed: November 15, 2002
    Date of Patent: November 30, 2004
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20040220264
    Abstract: Embodiments of the invention relate to a composition, a process of making the composition, and to the use of the composition. The compositions include a molecular complex formed between an acidic pharmaceutical drug and at least one functional substance. The compositions provide improved bioavailability and improved delivery of the drug into the cutaneous tissues.
    Type: Application
    Filed: March 16, 2004
    Publication date: November 4, 2004
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20040220259
    Abstract: The invention provides a method of topically treating a dermatological disorder. The method includes topically applying a therapeutically effective amount of a cosmetic or dermatological composition to an affected area of the skin. The composition includes at least one compound that is (i) a polyhydroxy-aldonic acid, (ii) a polyhydroxy-aldonic lactone, (iii) a polyhydroxy-alduronic acid, (iv) a polyhydroxy-alduronic lactone, (v) a polyhydroxy-aldaric acid; (vi) a polyhydroxy-aldaric lactone, and (vii) an organic acid lactone having two or more hydroxyl or ketohydroxyl groups. The dermatological disorder treated is one associated with reactive or dilated blood vessels.
    Type: Application
    Filed: April 2, 2004
    Publication date: November 4, 2004
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20040214215
    Abstract: Embodiments of the invention relate to a composition, a process of making the composition, and to the use of the composition. The compositions include a molecular complex formed between an alkaline pharmaceutical drug and at least one selected from a hydroxyacid, a polyhydroxy acid, a related acid, a lactone, or combinations thereof. The compositions provide improved bioavailability and improved delivery of the drug into the cutaneous tissues.
    Type: Application
    Filed: March 4, 2004
    Publication date: October 28, 2004
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Patent number: 6808716
    Abstract: Compositions comprising N-acetylamino acids and/or related N-acetyl compounds are useful to alleviate or improve various cosmetic conditions and dermatological disorders, including changes or damage to skin, nail and hair associated with intrinsic aging and/or extrinsic aging, as well as changes or damage caused by extrinsic factors. The N-acetylamino acid and/or related N-acetyl compound composition may further comprise a cosmetic, pharmaceutical or other topical agent to enhance or create synergetic effects.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: October 26, 2004
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20040180854
    Abstract: Compositions comprising oligosaccharide aldonic acids are useful for general care, as well as for treatment and prevention, of various cosmetic conditions and dermatological disorders, including those associated with intrinsic and/or extrinsic aging, as well as with changes or damage caused by extrinsic factors; general care, as well as treatment and prevention of diseases and conditions, of the oral, and vaginal mucosa; for general oral care, as well as treatment and prevention of oral and gum diseases; and for wound healing of the skin. Compositions comprising oligosaccharide aldonic acids may further comprise a cosmetic, pharmaceutical or other topical agent to enhance or create synergetic effects.
    Type: Application
    Filed: March 30, 2004
    Publication date: September 16, 2004
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20040147452
    Abstract: Topical compositions and methods including non-amphoteric derivatives of glutathione, for example, N-acyl-glutathiones, N-acyl-glutathione amides, and N-acyl-glutathione esters are disclosed for use in the treatment and prevention of cosmetic conditions and dermatological disorders, are disclosed.
    Type: Application
    Filed: July 24, 2003
    Publication date: July 29, 2004
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Patent number: 6767924
    Abstract: 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: Grant
    Filed: December 6, 2000
    Date of Patent: July 27, 2004
    Assignee: Tristrata Technology, Inc.
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Patent number: 6740327
    Abstract: Compositions comprising oligosaccharide aldonic acids are useful for general care, as well as for treatment and prevention, of various cosmetic conditions and dermatological disorders, including those associated with intrinsic and/or extrinsic aging, as well as with changes or damage caused by extrinsic factors; general care, as well as treatment and prevention of diseases and conditions, of the oral, and vaginal mucosa; for general oral care, as well as treatment and prevention of oral and gum diseases; and for wound healing of the skin. Compositions comprising oligosaccharide aldonic acids may further comprise a cosmetic, pharmaceutical or other topical agent to enhance or create synergetic effects.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: May 25, 2004
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20040033963
    Abstract: The invention is directed to compositions, methods of making the compositions, and methods of treating cosmetic and dermatological disorders with a composition that includes a molecular complex between urea and a functional substance that has at least one hydroxyl group and one carboxyl group either as a free acid, a salt, an amide or a lactone. The compositions are stable when compared to conventional urea-containing compositions, and provide controlled-release of the urea.
    Type: Application
    Filed: April 9, 2003
    Publication date: February 19, 2004
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Publication number: 20030229141
    Abstract: Methods to alleviate or improve various cosmetic conditions and dermatological disorders, including changes or damage to skin, nail and hair associated with intrinsic aging and/or extrinsic aging, as well as changes or damage caused by extrinsic factors using compositions comprising N-acetyl-cysteine (isomeric or non-isomeric forms) and/or free acid, salt, lactone, amide or ester forms of N-acetyl-cysteine are described. The methods provided may also comprise application of a composition further containing various cosmetic, pharmaceutical or other topical agents to enhance or create synergetic effects.
    Type: Application
    Filed: June 17, 2003
    Publication date: December 11, 2003
    Inventors: Ruey J. Yu, Eugene J. Van Scott