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TRISTRATA INC

Overview
  • Total Patents
    94
About

TRISTRATA INC has a total of 94 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets pharmaceuticals, organic fine chemistry and machines are CHANG MOON SIK, CUSKIN CO LTD and MAI JUTTA.

Patent filings per year

Chart showing TRISTRATA INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Ruey J 93
#2 Van Scott Eugene J 84
#3 Lee Yaling 6
#4 Scott Van Eugene J 5
#5 Scott Eugene J Van 4
#6 Yaling Lee 1

Latest patents

Publication Filing date Title
US6191167B1 Pharmaceutical compositions containing hydroxycarboxylic acid and/or ketocarboxylic acids and methods of using the same
US6384079B1 Compositions comprising 2-hydroxycarboxylic acids and related compounds, and methods for alleviating signs of dermatological aging
US6051609A Additives enhancing the effect of therapeutic agents
CA2203920A1 Antiodor, antimicrobial and preservative compositions and methods of using same
US5942250A Compositions and methods for enhancing the topical effects of sunscreen agents
US5686489A Alpha hydroxyacid esters for skin aging
US5834510A Compositions comprising 2-hydroxycarboxylic acids and related compounds, and methods for alleviating signs of dermatological aging
US5547988A Alleviating signs of dermatological aging with glycolic acid lactic acid or citric acid
US5641475A Antiodor, antimicrobial and preservative compositions and methods of using same
US5643949A Phenyl alpha acyloxyalkanoic acids, derivatives and their therapeutic use
US5702688A Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use
US5389677A Method of treating wrinkles using glycalic acid
US5385938B1 Method of using glycolic acid for treating wrinkles
US5091171A Amphoteric compositions and polymeric forms of alpha hydroxyacids and their therapeutic use