| Patent | Date |
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N-acyldipeptide derivatives and their uses
Grant 11,224,565 - Yu , et al. January 18, 2 | 2022-01-18 |
Endomorphin-2, Tetrapeptide Derivatives Thereof, And Uses Thereof
App 20200339627 - YU; Ruey J. ; et al. | 2020-10-29 |
N-acyldipeptide Derivatives and Their Uses
App 20200237637 - Yu; Ruey J. ; et al. | 2020-07-30 |
N-acyldipeptide derivatives and their uses
Grant 10,653,603 - Yu , et al. | 2020-05-19 |
Combination of N-acyldipeptide derivatives and retinol, and methods of use thereof
Grant 10,653,604 - Yu , et al. | 2020-05-19 |
Endomorphin-2, Tetrapeptide Derivatives Thereof, And Uses Thereof
App 20190248834 - YU; Ruey J. ; et al. | 2019-08-15 |
Combination Of N-acyldipeptide Derivatives And Retinol, And Methods Of Use Thereof
App 20180303741 - YU; Ruey J. ; et al. | 2018-10-25 |
Compositions And Methods For Topical Treatment Of Tar Responsive Dermatological Disorders
App 20170340667 - YU; Ruey J. ; et al. | 2017-11-30 |
N-acyldipeptide Derivatives And Their Uses
App 20170119646 - YU; Ruey J. ; et al. | 2017-05-04 |
N-acylpeptide Derivatives And Their Uses
App 20170112748 - YU; Ruey J. ; et al. | 2017-04-27 |
N-acyldipeptide Derivatives And Their Uses
App 20160271203 - YU; Ruey J. ; et al. | 2016-09-22 |
N-acyldipeptide derivatives and their uses
Grant 9,370,546 - Yu , et al. June 21, 2 | 2016-06-21 |
N-acyldipeptide Derivatives And Their Uses
App 20150250846 - YU; Ruey J. ; et al. | 2015-09-10 |
N-acyldipeptide derivatives and their uses
Grant 9,067,969 - Yu , et al. June 30, 2 | 2015-06-30 |
N-acylpeptide Derivatives And Their Uses
App 20140349920 - Yu; Ruey J. ; et al. | 2014-11-27 |
N-acyldipeptide Derivatives And Their Uses
App 20140303080 - Yu; Ruey J. ; et al. | 2014-10-09 |
Method For Topical Treatment Of Tar-responsive Dermatological Disorders
App 20140248270 - YU; Ruey J. ; et al. | 2014-09-04 |
N-acetyl aldosamines, N-acetylamino acids and related N-acetyl compounds and their topical use
Grant RE44,302 - Yu , et al. June 18, 2 | 2013-06-18 |
N-acetyl aldosamines, N-acetylamino acids and related N-acetyl compounds and their topical use
Grant RE44,017 - Yu , et al. February 19, 2 | 2013-02-19 |
Oligosaccharide Aldonic Acids And Their Topical Use
App 20120040920 - YU; Ruey J. ; et al. | 2012-02-16 |
N-acetyl aldosamines, N-acetylamino acids and related N-acetyl compounds and their topical use
Grant RE42,902 - Yu , et al. November 8, 2 | 2011-11-08 |
Oligosaccharide Aldonic Acids And Their Topical Use
App 20110091403 - Yu; Ruey J. ; et al. | 2011-04-21 |
N-(phosphonoalkyl)-amino Acids, Derivatives Thereof And Compositions And Methods Of Use
App 20100247463 - Yu; Ruey J. ; et al. | 2010-09-30 |
N-(phosphonoalkyl)-amino acids, derivatives thereof and compositions and methods of use
Grant 7,776,844 - Yu , et al. August 17, 2 | 2010-08-17 |
Hydroxy-oligocarboxylic esters: effects on nerve and use for cutaneous and mucocutaneous organs or sites
App 20100172851 - YU; Ruey J. ; et al. | 2010-07-08 |
N-acetyl aldosamines, N-acetylamino acids and related N-acetyl compounds and their topical use
Grant RE41,339 - Yu , et al. May 18, 2 | 2010-05-18 |
Hydroxy-oligocarboxylic esters: effects on nerve and use for cutaneous and mucocutaneous organs or sites
Grant 7,709,014 - Yu , et al. May 4, 2 | 2010-05-04 |
N-acetyl aldosamines and related N-acetyl compounds, and their topical use
Grant RE41,278 - Yu , et al. April 27, 2 | 2010-04-27 |
Oligosaccharide Aldonic Acids and Their Topical Use
App 20100099632 - YU; RUEY J. ; et al. | 2010-04-22 |
Method For Topical Treatment Of Tar-responsive Dermatological Disorders
App 20100093827 - YU; Ruey J. ; et al. | 2010-04-15 |
N-(Phosphonoalkyl)-Amino Acids, Derivatives Thereof and Compositions and Methods of Use
App 20090208499 - Yu; Ruey J. ; et al. | 2009-08-20 |
N-(phosphonoalkyl)-amino acids, derivatives thereof and compositions and methods of use
Grant 7,572,776 - Yu , et al. August 11, 2 | 2009-08-11 |
Compositions Comprising N-propanoyl Derivatives Of Amino Acids, Aminocarbohydrates And Derivatives Thereof
App 20090186853 - YU; Ruey J. ; et al. | 2009-07-23 |
N-(phosphonoalkyl)-amino Acids, Derivatives Thereof And Compositions And Methods Of Use
App 20080306025 - Yu; Ruey J. ; et al. | 2008-12-11 |
Oligosaccharide aldonic acids and their topical use
Grant 7,452,545 - Yu , et al. November 18, 2 | 2008-11-18 |
N-(phosphonoalkyl)-amino acids, derivatives thereof and compositions and methods of use
Grant 7,429,575 - Yu , et al. September 30, 2 | 2008-09-30 |
Compositions and Therapeutic Use of N-Acetyl Aldosamines and N-Acetylamino Acids
App 20080214649 - Yu; Ruey J. ; et al. | 2008-09-04 |
Oligosaccharide Aldonic Acids and Their Topical Use
App 20080090772 - Yu; Ruey J. ; et al. | 2008-04-17 |
Bioavailability and Improved Delivery of Alkaline Pharmaceutical Drugs
App 20080032937 - Yu; Ruey J. ; et al. | 2008-02-07 |
Composition And Method For Topical Treatment Of Tar-responsive Dermatological Disorders
App 20070207222 - Yu; Ruey J. ; et al. | 2007-09-06 |
N-(phosphonoalkyl)-amino Acids, Derivatives Thereof And Compositions And Methods Of Use
App 20070161543 - Yu; Ruey J. ; et al. | 2007-07-12 |
Hydroxy-oligocarboxylic esters: effects on nerve and use for cutaneous and mucocutaneous organs or sites
App 20070093551 - Yu; Ruey J. ; et al. | 2007-04-26 |
Anti-odor Compositions And Therapeutic Use
App 20060251597 - Yu; Ruey J. ; et al. | 2006-11-09 |
Compositions comprising N-propanoyl derivatives of amino acids, aminocarbohydrates and derivatives thereof
App 20060211754 - Yu; Ruey J. ; et al. | 2006-09-21 |
Compositions comprising O-acetylsalicyl derivatives of aminocarbohydrates and amino acids
App 20060166901 - Yu; Ruey J. ; et al. | 2006-07-27 |
Systemic administration of therapeutic amino acids and N-acetylamino acids
App 20060063827 - Yu; Ruey J. ; et al. | 2006-03-23 |
Bioavailability and improved delivery of alkaline pharmaceutical drugs
App 20050196418 - Yu, Ruey J. ; et al. | 2005-09-08 |
Enlargement of mucocutaneous or cutaneous organs and sites with topical compositions
App 20050171194 - Yu, Ruey J. ; et al. | 2005-08-04 |
Compositions comprising phenyl-glycine derivatives
Grant 6,824,786 - Yu , et al. November 30, 2 | 2004-11-30 |
Bioavailability and improved delivery of acidic pharmaceutical drugs
App 20040220264 - Yu, Ruey J. ; et al. | 2004-11-04 |
Topical treatment of dermatological disorders associated with reactive or dilated blood vessels
App 20040220259 - Yu, Ruey J. ; et al. | 2004-11-04 |
Bioavailability and improved delivery of alkaline pharmaceutical drugs
App 20040214215 - Yu, Ruey J. ; et al. | 2004-10-28 |
N-acetylamino acids, related N-acetyl compounds and their topical use
Grant 6,808,716 - Yu , et al. October 26, 2 | 2004-10-26 |
Oligosaccharide aldonic acids and their topical use
App 20040180854 - Yu, Ruey J. ; et al. | 2004-09-16 |
Non-amphoteric glutathione derivative compositions for tropical application
App 20040147452 - Yu, Ruey J. ; et al. | 2004-07-29 |
Method of using hydroxycarboxylic acids or related compounds for treating skin changes associated with intrinsic and extrinsic aging
Grant 6,767,924 - Yu , et al. July 27, 2 | 2004-07-27 |
Oligosaccharide aldonic acids and their topical use
Grant 6,740,327 - Yu , et al. May 25, 2 | 2004-05-25 |
Urea composition
App 20040033963 - Yu, Ruey J. ; et al. | 2004-02-19 |
N-acetyl cysteine and its topical use
App 20030229141 - Yu, Ruey J. ; et al. | 2003-12-11 |
N-acetylamino acids, related N-acetyl compounds and their topical use
App 20030198656 - Yu, Ruey J. ; et al. | 2003-10-23 |
Compositions comprising phenyl-glycine derivatives
App 20030108496 - Yu, Ruey J. ; et al. | 2003-06-12 |
Method of using hydroxycarboxylic acids or related compounds for treating skin changes asociated with intrinsic and extrinsic aging
App 20030083380 - Yu, Ruey J. ; et al. | 2003-05-01 |
Oligosaccharide aldonic acids and their topical use
App 20020028227 - Yu, Ruey J. ; et al. | 2002-03-07 |
Oligosaccharide aldonic acids and their topical use
Grant 6,335,023 - Yu , et al. January 1, 2 | 2002-01-01 |
Additives enhancing topical actions of therapeutic agents
App 20010016604 - Yu, Ruey J. ; et al. | 2001-08-23 |
Pharmaceutical compositions containing hydroxycarboxylic acid and/or ketocarboxylic acids and methods of using the same
Grant 6,191,167 - Yu , et al. February 20, 2 | 2001-02-20 |
Preservative compositions and methods for using the same
Grant 6,054,479 - Yu , et al. April 25, 2 | 2000-04-25 |
Additives enhancing the effect of therapeutic agents
Grant 6,051,609 - Yu , et al. April 18, 2 | 2000-04-18 |
Method for treating or preventing the spread of acne vulgaris
Grant 6,046,238 - Yu , et al. April 4, 2 | 2000-04-04 |
Method of using beta hydroxy acids for treating wrinkles
Grant 5,889,054 - Yu , et al. March 30, 1 | 1999-03-30 |
Amphoteric compostion and polymeric forms of alpha hydroxyacids, and their therapeutic use
Grant 5,886,042 - Yu , et al. March 23, 1 | 1999-03-23 |
Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use
Grant 5,886,041 - Yu , et al. March 23, 1 | 1999-03-23 |
Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use
Grant 5,883,128 - Yu , et al. March 16, 1 | 1999-03-16 |
Method for treating wrinkles using certain alpha hydroxyacids
Grant 5,856,357 - Yu , et al. January 5, 1 | 1999-01-05 |
Compositions comprising 2-hydroxycarboxylic acids and related compounds, and methods for alleviating signs of dermatological aging
Grant 5,834,510 - Yu , et al. November 10, 1 | 1998-11-10 |
Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use
Grant 5,702,688 - Yu , et al. December 30, 1 | 1997-12-30 |
Compositions for improved topical delivery of lactic acid
Grant 5,690,967 - Yu , et al. November 25, 1 | 1997-11-25 |
Alpha hydroxyacid esters for skin aging
Grant 5,686,489 - Yu , et al. November 11, 1 | 1997-11-11 |
Methods for improved topical delivery of alpha hydroxyacids
Grant 5,681,853 - Yu , et al. October 28, 1 | 1997-10-28 |
Additives enhancing topical actions of therapeutic agents
Grant 5,665,776 - Yu , et al. September 9, 1 | 1997-09-09 |
Method of using quinic acid or quinolactone for treating wrinkles
Grant 5,656,665 - Yu , et al. August 12, 1 | 1997-08-12 |
Antiodor, antimicrobial and preservative compositions and methods of using same
Grant 5,641,475 - Yu , et al. June 24, 1 | 1997-06-24 |
Method of treating wrinkles using quinic acid or quinolactone
Grant 5,589,505 - Yu , et al. December 31, 1 | 1996-12-31 |
Method for enhancing the therapeutic effect of a composition comprising hydroquinone and comprising same
Grant 5,561,157 - Yu , et al. October 1, 1 | 1996-10-01 |
Compositions comprising 2-hydroxycarboxylic acids and related compounds, and methods for alleviating signs of dermatological aging
Grant 5,561,158 - Yu , et al. October 1, 1 | 1996-10-01 |
Compositions comprising 2-hydroxycarboxylic acids and related compounds, and methods for alleviating signs of dermatological aging
Grant 5,554,597 - Yu , et al. September 10, 1 | 1996-09-10 |
Method for enhancing the therapeutic effect of an anti-acne agent
Grant 5,554,654 - Yu , et al. September 10, 1 | 1996-09-10 |
Method of treating wrinkles using alpha hydroxyacids, alpha ketoacids and a sunscreen agent
Grant 5,554,652 - Yu , et al. September 10, 1 | 1996-09-10 |
Alleviating signs of dermatological aging with glycolic acid, lactic acid or citric acid
Grant 5,547,988 - Yu , et al. August 20, 1 | 1996-08-20 |
Method of using citric acid for the treatment of wrinkles
Grant 5,470,880 - Yu , et al. November 28, 1 | 1995-11-28 |
Method of using 2-hydroxypropanoic acid (lactic acid) for the treatment of wrinkles
Grant 5,422,370 - Yu , et al. * June 6, 1 | 1995-06-06 |
Method of treating wrinkles using glycalic acid
Grant 5,389,677 - Yu , et al. * February 14, 1 | 1995-02-14 |
Phenyl alpha acyloxyalkanoic acids, derivatives and their therapeutic use
Grant 5,258,391 - Van Scott , et al. November 2, 1 | 1993-11-02 |
Retinal, derivatives and their therapeutic use
Grant 5,093,360 - Yu , et al. March 3, 1 | 1992-03-03 |
Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use
Grant 5,091,171 - Yu , et al. February 25, 1 | 1992-02-25 |
Phenyl alpha-acyloxyacetamide derivatives and their therapeutic use
Grant 4,518,789 - Yu , et al. May 21, 1 | 1985-05-21 |
Topical treatment of dry skin
Grant 4,380,549 - Van Scott , et al. * April 19, 1 | 1983-04-19 |
Alpha hydroxyacids, alpha ketoacids and their use in treating skin conditions
Grant 4,363,815 - Yu , et al. * December 14, 1 | 1982-12-14 |
Therapeutic compositions and vehicles for topical pharmaceuticals
Grant 4,316,902 - Yu , et al. February 23, 1 | 1982-02-23 |
Dithranol compositions stabilized with alpha hydroxyacids
Grant 4,287,214 - Van Scott , et al. September 1, 1 | 1981-09-01 |
Stabilized water-in-oil emulsions
Grant 4,284,630 - Yu , et al. August 18, 1 | 1981-08-18 |
Method for hair care
Grant 4,283,386 - Van Scott , et al. August 11, 1 | 1981-08-11 |
Treatment of psoriasis with nicotinamide analogues
Grant 4,258,052 - Yu , et al. March 24, 1 | 1981-03-24 |
Additives enhancing topical corticosteroid action
Grant 4,246,261 - Van Scott , et al. January 20, 1 | 1981-01-20 |
Treatment of skin keratoses with .alpha.-hydroxy acids and related compounds
Grant 4,234,599 - Van Scott , et al. * November 18, 1 | 1980-11-18 |
Treatment of disturbed keratinization
Grant 4,224,339 - Van Scott , et al. * September 23, 1 | 1980-09-23 |
Treatment of dry skin
Grant 4,197,316 - Yu , et al. * April 8, 1 | 1980-04-08 |
Treatment of acne and dandruff
Grant 4,105,782 - Yu , et al. * August 8, 1 | 1978-08-08 |
Therapeutic treatment of dry skin
Grant 4,105,783 - Yu , et al. * August 8, 1 | 1978-08-08 |
Treatment of psoriasis with 6-aminonicotinamide and thionicotinamide
Grant 4,067,975 - Yu , et al. January 10, 1 | 1978-01-10 |
Treatment of body odor and disturbed keratinization
Grant 4,053,630 - Yu , et al. October 11, 1 | 1977-10-11 |
Prophylactic and therapeutic treatment of acne vulgaris utilizing lactamides and quaternary ammonium lactates
Grant 4,021,572 - Van Scott , et al. May 3, 1 | 1977-05-03 |
Method for producing pigmentation in hair or skin
Grant 4,021,538 - Yu , et al. May 3, 1 | 1977-05-03 |
Treatment of palmar and plant disturbed keratosis
Grant 3,988,470 - Van Scott , et al. October 26, 1 | 1976-10-26 |
Method of alleviating the symptoms of dandruff
Grant 3,984,566 - Van Scott , et al. * October 5, 1 | 1976-10-05 |
Treatment of disturbed keratinization
Grant 3,920,835 - Van Scott , et al. * November 18, 1 | 1975-11-18 |
Treatment of psoriasis
Grant 3,904,766 - Van Scott , et al. September 9, 1 | 1975-09-09 |
Treatment of ichthyosiform dermatoses
Grant 3,879,537 - Van Scott , et al. April 22, 1 | 1975-04-22 |
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