Patents by Inventor Stefan Brode

Stefan Brode 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).

  • Colored crystalline aluminophosphates and/or silicoaluminophosphates of the AEL or VFI type
    Patent number: 5360474
    Abstract: Colored crystalline alumophosphates and/or silicoalumophsophates of the AEL or VFI type useful as dyes, optical elements and as adsorbents have the following X-ray diffraction diagram:______________________________________ Interplanar spacing Relative intensity d(A) I/I.sub.o .times. 100 ______________________________________ 10.91 .+-. 0.1 26 .+-. 10 9.19 .+-. 0.1 41 .+-. 10 6.79 .+-. 0.05 16 .+-. 10 5.57 .+-. 0.05 52 .+-. 10 4.39 .+-. 0.05 39 .+-. 10 4.18 .+-. 0.05 71 .+-. 10 4.09 .+-. 0.05 33 .+-. 10 3.98 .+-. 0.05 57 .+-. 10 3.86 .+-. 0.05 68 .+-. 10 3.81 .+-. 0.05 100 ______________________________________and a composition described by the following formula:a quinizarin.b Al.sub.2 O.sub.3.c P.sub.2 O.sub.5.d SiO.sub.2where a is from 0.05 to 2, b and c are each from 8 to 12, and d is from 0 to 4.
    Type: Grant
    Filed: September 16, 1992
    Date of Patent: November 1, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Lauth, Ulrich Mueller, Wolfgang Hoelderich, Stefan Brode, Gerhard Wagenblast