<?xml version="1.0" encoding="UTF-8"?>

<wo-patent-document lang="es" status="Expired" country="CU">
  <wo-bibliographic-data status="Caduca por término de vigencia (DL68)">
    <publication-reference>
      <document-id>
        <country>CU</country>
        <doc-number>B. O. No. 33, III trimestre / 1969;</doc-number>
        <kind>A7</kind>
        <date>19691212</date>
      </document-id>
    </publication-reference>
    <classifications-ipcr>
      <classification-ipcr sequence="0001">
        <ipc-version-indicator>
          <date>20060101</date>
        </ipc-version-indicator>
        <section>C</section>
        <class>13</class>
        <subclass>D</subclass>
        <main-group>3</main-group>
        <subgroup>02</subgroup>
        <classification-value>A</classification-value>
      </classification-ipcr>
    </classifications-ipcr>
    <application-reference>
      <document-id>
        <country>CU</country>
        <doc-number>P/1/033402</doc-number>
        <date>19690731</date>
      </document-id>
    </application-reference>
    <parties>
      <applicants>
        <applicant sequence="0001" app-type="applicant" designation="all">
          <addressbook lang="es">
            <name>MINISTERIO DE LA INDUSTRIA AZUCARERA</name>
            <address>
              <country>CU</country>
            </address>
          </addressbook>
          <nationality>
            <country/>
          </nationality>
          <residence>
            <country>CU</country>
          </residence>
        </applicant>
      </applicants>
      <inventors>
        <inventor sequence="0001">
          <addressbook lang="es">
            <name>Orlando Argudín López</name>
            <address>
              <address-1>CU</address-1>
              <country>CU</country>
            </address>
          </addressbook>
        </inventor>
      </inventors>
      <agents>
        <agent sequence="0001" rep-type="agent">
          <addressbook lang="es">
            <name>Roche Ruíz, Mario E.</name>
            <address>
              <address-1>CU</address-1>
              <country>CU</country>
            </address>
          </addressbook>
        </agent>
      </agents>
    </parties>
    <invention-title lang="es">MEJORAS EN LOS PROCESOS PARA LA PURIFICACIÓN DE LÍQUIDOS AZUCARADOS POR MEDIO DE OXIDO DE MAGNESIO ACTIVO</invention-title>
    <wo-dates-of-public-availability>
      <gazette-reference>
        <gazette-num>Publicación realizada en: Dec 12 1969 12:00AM</gazette-num>
        <date>19691212</date>
      </gazette-reference>
    </wo-dates-of-public-availability>
    <wo-national-office-event national-office-event-type="Filed" doc-number="CU/P/1/033402">
      <wo-national-office-event-date>
        <date>19690731</date>
      </wo-national-office-event-date>
    </wo-national-office-event>
    <wo-national-office-event national-office-event-type="Registered" doc-number="P20634">
      <wo-national-office-event-date>
        <date>19761122</date>
      </wo-national-office-event-date>
    </wo-national-office-event>
    <wo-national-office-event national-office-event-type="Published" doc-number="B. O. No. 33, III trimestre / 1969; ">
      <wo-national-office-event-date>
        <date>19691212</date>
      </wo-national-office-event-date>
    </wo-national-office-event>
    <wo-national-office-event national-office-event-type="Expired">
      <wo-national-office-event-date>
        <date>20090226</date>
      </wo-national-office-event-date>
    </wo-national-office-event>
    <wo-national-office-filing-data appl-type="Patente DL805/36" file-type="P">
      <kind-of-protection>Patente</kind-of-protection>
    </wo-national-office-filing-data>
  </wo-bibliographic-data>
  <abstract lang="es">
    <p num="0001">Consiste en añadir óxido de magnesio a la solución azucarada y mantenerla por un tiempo de contacto a temperatura ambiente, calentar la mezcla hasta alcanzar una temperatura aproximada a 105 grados C. bajar rápidamente la temperatura por debajo de 86 grados C, mantener el líquido en un tanque de floculación hasta que sustancialmente todas las impurezas se hayan coagulado, separar las impurezas floculadas y neutralizar el líquido purificado hasta un PH alrededor de 7.</p>
  </abstract>
</wo-patent-document>
