Abrasive tool making process – material – or composition – With inorganic material
Reexamination Certificate
2007-08-21
2007-08-21
Marcheschi, Michael (Department: 1755)
Abrasive tool making process, material, or composition
With inorganic material
C051S309000, C051S298000, C051S295000, C501S127000, C501S128000, C501S002000, C501S032000
Reexamination Certificate
active
10358855
ABSTRACT:
Al2O3—La2O3—Y2O3—MgO ceramics (including glasses, crystalline ceramics, and glass-ceramics) and methods of making the same. Ceramics according to the present invention can be made, formed as, or converted into glass beads, articles (e.g., plates), fibers, particles, and thin coatings. The particles and fibers are useful, for example, as thermal insulation, filler, or reinforcing material in composites (e.g., ceramic, metal, or polymeric matrix composites). The thin coatings can be useful, for example, as protective coatings in applications involving wear, as well as for thermal management. Some embodiments of ceramic particles according to the present invention can be are particularly useful as abrasive particles.
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Anderson Thomas J.
Celikkaya Ahmet
3M Innovative Properties Company
Allen Gregory D.
Marcheschi Michael
LandOfFree
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