Method of producing ultra-hard abrasive particles

Details Method of producing ultra-hard abrasive particles Method of producing ultra-hard abrasive particles

2005-12-27

2005-12-27

Marcheschi, Michael (Department: 1755)

Abrasive tool making process, material, or composition

With inorganic material

C051S309000, C051S298000, C051S293000

Reexamination Certificate

active

06979357

ABSTRACT:
A method of producing a plurality of discrete ultra-hard abrasive particles includes the steps of providing a plurality of granules, each comprising at least one ultra-hard abrasive particle, a precursor for the abrasive particle and a solvent/catalyst for the abrasive particle or precursor of such a solvent/catalyst, placing the granules with a separating medium between adjacent granules in the reaction zone of a high pressure/high temperature apparatus, subjecting the contents of the reaction zone to elevated temperature and pressure conditions at which the ultra-hard abrasive particle is crystallographically stable, recovering thus treated material from the reaction zone and removing the separating medium in the treated material to produce a plurality of discrete abrasive particles.

REFERENCES:
patent: 2004/0060243 (2004-04-01), Fries et al.
patent: 0 737 510 (1996-10-01), None
patent: 59 164605 (1984-09-01), None
patent: 59 169993 (1984-09-01), None
patent: 01 038135 (1989-02-01), None

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