CINXE.COM
WIPO - Search International and National Patent Collections
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"><head id="j_idt2"> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta lang="en" http-equiv="Content-Type" content="text/html;charset=utf-8" charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0" /> <meta name="apple-mobile-web-app-capable" content="yes" /> <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" /> <meta name="Description" content="This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results." /> <meta name="Cache-Control" content="no-cache,no-store,must-revalidate" /> <meta name="Expires" content="0" /> <meta name="Pragma" content="no-cache" /> <title>WIPO - Search International and National Patent Collections</title><link type="text/css" rel="stylesheet" href="/search/javax.faces.resource/theme.css.jsf?ln=primefaces-wipo" /><link type="text/css" rel="stylesheet" href="/search/javax.faces.resource/primefaces/fa/font-awesome.css.xhtml" /><script type="text/javascript" src="/search/javax.faces.resource/omnifaces.js.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA?ln=omnifaces&v=2.6.9"></script><link type="text/css" rel="stylesheet" href="/search/javax.faces.resource/css/components.css.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA?ln=w-ps-cc" /><link type="text/css" rel="stylesheet" href="/search/javax.faces.resource/css/components.css.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA?ln=ps-cc" /><link type="text/css" rel="stylesheet" href="/search/javax.faces.resource/css/common/common.css.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA" /><link type="text/css" rel="stylesheet" href="/search/javax.faces.resource/css/common/primefaces-custom.css.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA" /><link type="text/css" rel="stylesheet" href="/search/javax.faces.resource/css/common/wfaces-custom.css.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA" /><link type="text/css" rel="stylesheet" href="/search/javax.faces.resource/css/wipo/ps-ulf-compatibility.css.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA" /><link type="text/css" rel="stylesheet" href="/search/javax.faces.resource/primefaces/components.css.xhtml;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA" /><script type="text/javascript" src="/search/javax.faces.resource/primefaces/jquery/jquery.js.xhtml;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA"></script><script type="text/javascript" src="/search/javax.faces.resource/primefaces/core.js.xhtml;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA"></script><script type="text/javascript" src="/search/javax.faces.resource/primefaces/components.js.xhtml;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA"></script><script type="text/javascript" src="/search/javax.faces.resource/primefaces/jquery/jquery-plugins.js.xhtml;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA"></script><script type="text/javascript" src="/search/javax.faces.resource/jsf.js.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA?ln=javax.faces"></script><style type="text/css"> /* When the drawerTriggering element has a top/bottom padding/margin (as the mainmenu items), the position of the drawer must be updated correspondignly.*/ .settings-drawer.b-drawer.wf-drawer-fix-position { top: -0.75rem; } </style><style type="text/css"> /* When the drawerTriggering element has a top/bottom padding/margin (as the mainmenu items), the position of the drawer must be updated correspondignly.*/ .feedback-drawer.b-drawer.wf-drawer-fix-position { top: -0.75rem; } .feedback-message { margin-top: 1rem; } </style><style type="text/css"> /* When the drawerTriggering element has a top/bottom padding/margin (as the mainmenu items), the position of the drawer must be updated correspondignly.*/ .feedback-drawer.b-drawer.wf-drawer-fix-position { top: -0.75rem; } </style><script type="text/javascript">if(window.PrimeFaces){PrimeFaces.settings.locale='en';}</script> <link href="/search/javax.faces.resource/w/css/wfaces.css.xhtml?v=1.0&b=" rel="stylesheet" /> <script> var APP_CTX='/search'; </script> <script src="/search/javax.faces.resource/w/js/wfaces.js.xhtml?v=1.0&b="></script><script type="text/javascript"> epctmsg.lbl_designations_specific="Specific"; epctmsg.lbl_designations_none="None"; epctmsg.lbl_designations_all="All"; epctmsg.lbl_designations_changeSelec="Change selection"; epctmsg.lbl_designations_chooseDesig="Choose specific designations"; epctmsg.no_results_text="No match for:"; </script><script type="text/javascript" src="/search/javax.faces.resource/js/psa.js.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA"></script> <script src="https://webcomponents.wipo.int/polyfills/webcomponents-loader.js"></script> <script src="https://webcomponents.wipo.int/wipo-navbar/wipo-navbar.js"></script><script type="text/javascript" src="/search/javax.faces.resource/js/components.js.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA?ln=w-ps-cc"></script></head><body dir="ltr"> <div class="wf-overlayPanel"></div><div id="pageBlockUI" class="ui-blockui-content ui-widget ui-widget-content ui-corner-all ui-helper-hidden ui-shadow"> <div class="b-infobox b-infobox--has-spinner"> <h4 class="b-infobox__title"> Processing </h4> <div class="b-infobox__text"> <p> Please wait... </p> </div> </div></div><script id="pageBlockUI_s" type="text/javascript">$(function(){PrimeFaces.cw("BlockUI","widget_pageBlockUI",{id:"pageBlockUI",block:"@(.b-page)"});});</script> <div class="b-page b-page--application"> <div class="b-navigation b-navigation--has-close"><wipo-navbar appId='app-0072' applicationName='PATENTSCOPE' applicationLink='/search/en' applicationCategory='patents' login='/search/wiposso/login' logout='/search/wiposso/logout' sso='unauthenticated' language='en' languageOptions='[{"code":"en","name":null,"link":null,"targetTab":null},{"code":"fr","name":null,"link":"/search/fr/detail.jsf?docId=WO2025027803","targetTab":null},{"code":"de","name":null,"link":"/search/de/detail.jsf?docId=WO2025027803","targetTab":null},{"code":"es","name":null,"link":"/search/es/detail.jsf?docId=WO2025027803","targetTab":null},{"code":"pt","name":null,"link":"/search/pt/detail.jsf?docId=WO2025027803","targetTab":null},{"code":"ru","name":null,"link":"/search/ru/detail.jsf?docId=WO2025027803","targetTab":null},{"code":"ja","name":null,"link":"/search/ja/detail.jsf?docId=WO2025027803","targetTab":null},{"code":"zh","name":null,"link":"/search/zh/detail.jsf?docId=WO2025027803","targetTab":null},{"code":"ko","name":null,"link":"/search/ko/detail.jsf?docId=WO2025027803","targetTab":null},{"code":"ar","name":null,"link":"/search/ar/detail.jsf?docId=WO2025027803","targetTab":null}]' userOptions='[{"code":null,"name":"SESSION QUERIES","link":"/search/en/reg/user_session_queries.jsf","targetTab":"_self"},{"code":null,"name":"SAVED QUERIES ","link":"/search/en/reg/user_queries.jsf","targetTab":"_self"},{"code":null,"name":"MARKUSH BATCHES","link":"/search/en/chemc/batches.jsf","targetTab":"_self"},{"code":null,"name":"WATCHED APPLICATIONS","link":"/search/en/reg/watching.jsf","targetTab":"_self"}]' helpOptions='[{"code":"contact","name":null,"link":"https://www3.wipo.int/contact/en/area.jsp?area=patentscope&area=patentscope-db","targetTab":null},{"code":"faq","name":null,"link":"https://www.wipo.int/patentscope/en/faqs_patentscope.html","targetTab":null}]' helpMore='[{"code":null,"name":"PATENTSCOPE USERS COMMUNITY","link":"https://www.linkedin.com/groups/9811620/","targetTab":"_blank"},{"code":null,"name":"PATENTSCOPE HELP","link":"/search/en/help/help.jsf","targetTab":"_self"},{"code":null,"name":"TERMS OF USE","link":"https://www.wipo.int/patentscope/en/data/terms_patentscope.html","targetTab":"_blank"},{"code":null,"name":"PRIVACY POLICY","link":"https://www.wipo.int/tools/en/privacy_policy-ipportal.html","targetTab":"_blank"}]' hide-search='true'><div style='background:black; height: 48px; width: 100%'></div></wipo-navbar> <div class="b-navigation-floater-bottom"> <a class="fa fa-fw fa-arrow-up" style="text-decoration:none; float: right; color: #707070; font-size: 26px; margin: 20px;" onclick="wscrollToTop();"></a> </div> </div> <div id="popups"> </div> <div class="c-left-watermark"> </div><div class="ps-no-content"><span id="psTimerPanel"> <div class="b-step b-pointer-scope"> <div class="b-step__content"> <div class="b-step__content-top"> <div class="b-view-panel b-view-panel--has-error "> <div class="b-view-panel__content "> <div class="b-view-panel__hinge"> </div> <div class="b-view-panel__fold-in"> <div class="b-view-panel__section ">Initializing... </div> </div> </div> <div class="b-view-panel__actions"> <div class="b-view-panel__action-secondary"> </div> <div class="b-view-panel__action-primary"> </div> </div> </div> <div style="display:flex;justify-content:center;align-items:center;height:200px"><img id="j_idt2937" src="/search/javax.faces.resource/images/spinner@2x.gif.jsf;jsessionid=B376081AA6A55D589BFD1E6EF0E448BF.wapp2nA?ln=w" alt="" /> </div> </div> <div class="b-step__content-bottom"> </div> </div> </div></span> <script type="text/javascript"> const sd = 2000; $( document ).ready(function() { setTimeout(function(){location.reload();}, sd); }); </script></div> <div class="c-footer"> # - </div> </div><script type="text/javascript" id="j_idt30"> if(typeof(load_w_scripts) != 'undefined') load_w_scripts(); </script><script type="text/javascript" id="init_w_ps_components"> load_w_ps_cc_scripts(); </script><script type="text/javascript">OmniFaces.DeferredScript.add('/search/javax.faces.resource/js/components.js.jsf?ln=ps-cc');</script></body> </html>