Patents by Inventor Jose Rafael Cordova

Jose Rafael Cordova has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5840271
    Abstract: A process for preparing an inorganic porous material, includes the steps of forming a solution of a hydrolyzable inorganic compound with a non-ionic surfactant having organic molecules; inducing growth and condensation of a solid composition comprising an inorganic composition in intimate contact with said organic molecules; and extracting said organic molecules from said inorganic composition so as to provide said inorganic porous material having wall portions defining mesopore-sized channels having a mean diameter of between about 15 .ANG. to about 100 .ANG. and a narrow diameter distribution of less than or equal to about 30 .ANG., said material having a void volume from said mesopore-sized channels of at least about 0.1 cc/g.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: November 24, 1998
    Assignee: Intevep, S.A.
    Inventors: Jose Carrazza, Jose Rafael Cordova, Juan Lujano, Jose Manuel Cruz