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/* Relevant patents */
=Relevant patents=
{|border="2" cellspacing="0" cellpadding="4" width="100%"|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''S.No'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''Patent / Publication No.'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''Title'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''Assignee/Applicant'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''Date of Publication'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''Problem'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''Solution'''</font>|-|align = "center" bgcolor = "#DBE5F1"|'''1'''|bgcolor = "#DBE5F1"|<font color="#0000FF"><u>[httpshttp://dolcerapatft.netuspto.gov/teamwiki_prodnetacgi/indexnph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.phphtm&r=1&f=G&l=50&s1=5874095.PN.&OS=PN/Relevant_patents Click here 5874095&RS=PN/5874095 US5874095A]</u></font>|bgcolor = "#DBE5F1"|Enhanced skin penetration system for improved topical delivery of drugs|bgcolor = "#DBE5F1"|Richardson Vicks Inc.|bgcolor = "#DBE5F1"|2/23/1999|bgcolor = "#DBE5F1"|Poor penetration of many drugs across the epidermal lipid barrier has, until now, frustrated attempts to view Relevant patentsdeliver clinically significant doses of many drugs by the topical route.<br>Compositions provides containing a skin penetration enhancing vehicle with insufficient transdermal penetration<br>Orally administered drugs can increase the dosage required to achieve therapeutic levels and thereby increase undesirable side effects|bgcolor = "#DBE5F1"|Composition containing a pharmaceutical active(hydroquinone, ascorbic acid, kojic acid and sodium metabisulfite)and polyacrylamide which enhances the skin penetration of drugs.<br><br>Provide sufficient skin penetration enhancement to achieve therapeutic levels of the drugs in target internal tissues.Compositions with low dermal irritation, especially in compositions requiring a low pH.<br><br>Compositions having good stability.|-|align = "center"|'''2'''|<font color="#0000FF"><u>[http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220090162305%22.PGNR.&OS=DN/20090162305&RS=DN/20090162305 US20090162305A1]</u></font>|Formulations of low oil content comprising diphenylmethane derivatives|Symrise GmbH & Co. KG|6/25/2009|Sensitive to oxidation and can be stabilized in cosmetic formulations only with difficulty, inadequate action on the skin, high sensitizing potential and causes contact allergies,no reference having a defined content of an oily phase is to be found with less bioavailability|Novel specific (cosmetic) formulations for improving the bioavailability and activity of skin- or hair-lightening agent as diphenylmethane derivatives (tyrosinase inhibitors) commmonly known as styrylresorcinol which has more stbility and little toxicity.|-|align = "center" bgcolor = "#DBE5F1"|'''3'''|bgcolor = "#DBE5F1"|<font color="#0000FF"><u><nowiki>*****</nowiki></u></font>|bgcolor = "#DBE5F1"|<nowiki>****</nowiki>|bgcolor = "#DBE5F1"|<nowiki>****</nowiki>|bgcolor = "#DBE5F1"|<nowiki>****</nowiki>|bgcolor = "#DBE5F1"|<nowiki>****</nowiki>|bgcolor = "#DBE5F1"|<nowiki>****</nowiki>|-|}
=Analysis=
