Method of manufacturing powder

Details Method of manufacturing powder Method of manufacturing powder

2006-12-19

2006-12-19

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C423S263000, C423S290000, C423S309000, C423S339000, C423S344000, C423S411000, C423S412000, C423S440000, C423S448000, C423S598000, C423S608000, C423S610000, C423S625000, C423S626000, C423S659000

Reexamination Certificate

active

07150862

ABSTRACT:
A method of manufacturing a powder, by which it is possible to adjust the strength of the obtained powder is provided. The manufacturing method of a powder involves a step of preparing a slurry containing agglomerated particles of a synthetic material which is produced by reacting a first material and a second material under agitation, and a step of drying the slurry to obtain a powder of the synthetic material. The method has a feature that the particle size of the agglomerated particles is adjusted by, in the step of preparing a slurry, controlling agitation power for agitating the slurry. In the step of preparing a slurry, it is preferable that the slurry is initially agitated at a first agitation power, and at the time when the viscosity of the slurry approaches its maximum value, or at the time when the pH value of the slurry reaches the vicinity of the isoelectric point of the synthetic material, the agitation power is lowered from the first agitation power to a second agitation power. Further, it is preferable that before or after the completion of the reaction of the first material and the second material, the agitation power is increased from the second agitation power to a third agitation power.

REFERENCES:
patent: 0943643 (1999-09-01), None
patent: 943643 (1999-09-01), None
patent: 52-76324 (1977-06-01), None
patent: 59152224 (1984-08-01), None
patent: 7-102006 (1995-04-01), None
patent: 07102006 (1995-04-01), None
Database WPI, Section Ch, Week 197732, Derwent Publications Ltd., London, GB; Class Lo2, An 1977-56419Y, XP002263821, (no date).
Database WPI, Section Ch, Week 199524, Derwent Publications Ltd., London, GB; Class A18, An 1995-182991, XP002263822, (no date).
Patent Abstracts of Japan, vol. 008, No. 283 (C-258), Dec. 25, 1994.
M. Giulietti et al., “Industrial Crystallization and Precipitation from solutions: State of the Technique”, Brazilian Journal of Chemical Engineering, vol. 18, No. 4, 2001; print ISSN 0104-6632, (no month).
English Language Abstract of JP Appln. No. 7-102006, (no date).
English Language Abstract of JP Appln. No. 52-76324, (no date).

Affiliated with

Also associated with

Rating

Method of manufacturing powder does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of manufacturing powder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of manufacturing powder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3703128