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Title: US7253128: Ceramics comprising AI2O3, Y2O3, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same
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Inventor: Rosenflanz, Anatoly Z.; Maplewood, MN, United States of America
Schardt, Craig R.; St. Paul, MN, United States of America

Assignee: 3M Innovative Properties Company, St. Paul, MN, United States of America
other patents from 3M INNOVATIVE PROPERTIES COMPANY (815358) (approx. 2,886)
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Published / Filed: 2007-08-07 / 2006-09-25

Application Number: US2006000526460

IPC Code: Advanced: C03C 3/12; C03C 10/02;
Core: C03C 10/00; more...

ECLA Code: C03C3/12P;

U.S. Class: 501/010; 501/032; 065/033.1;

Field of Search: 501/010,32 065/33.1

Priority Number:
2006-09-25  US2006000526460
2003-09-18  US2003000666098

Abstract:     Ceramics comprising (i) at least one of Nb<SUB>2</SUB>O<SUB>5 </SUB>or Ta<SUB>2</SUB>O<SUB>5 </SUB>and (ii) at least two of (a) Al<SUB>2</SUB>O<SUB>3</SUB>, (b) Y<SUB>2</SUB>O<SUB>3</SUB>, or (c) at least one of ZrO<SUB>2 </SUB>or HfO<SUB>2</SUB>. Embodiments of ceramics according to the present invention can be made, formed as, or converted into optical waveguides, glass beads, articles (e.g., plates), fibers, particles (e.g., abrasive particles), and thin coatings.

Attorney, Agent or Firm: Allen, Gregory D. ;

Primary / Asst. Examiners: Group, Karl;

Maintenance Status: CC Certificate of Correction issued
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Application Number Filed Patent Pub. Date  Title
US2003000666098 2003-09-18    2006-11-28  Ceramics comprising Al2O3, Y2O3, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same


       
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    1. Glass-ceramic collectively comprising at least 70 percent by weight of (i) at least one of Nb2O5 or Ta2O5 and (ii) at least two of (a) Al2O3, (b) Y2O3, or (c) at least one of ZrO2 or HfO2, and the glass containing not more than 30 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass-ceramic.

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Forward References: Show 1 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (1)   |   Backward references (298)   |   Citation Link

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  • Continuity Data:
    Application Number Filed Notes

    US2006000526460 2006-09-25  is a related to the prior publication
         US20070087928A1 issued 2007-04-19  Ceramics comprising Al2O3, Y2O3, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same

    >US2006000526460< 2006-09-25  is a division of
    US2003000666098  2003-09-18   (granted)
         US7141522 issued 2006-11-28   Ceramics comprising Al2O3, Y2O3, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same

    11526460   is a division of
    US2003000666098  2003-09-18
         US7141522 issued 2006-11-28   Ceramics comprising Al2O3, Y2O3, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same


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