Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1974-11-13
1976-11-09
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
526 1, 526158, 526250, B01J 3102
Patent
active
039909930
ABSTRACT:
Particle size is increased and particle size range is decreased, e.g. narrower particle size distribution obtained of very tiny inorganic catalyst fines, (particles), particularly olefin catalysts by working these fines with very small quantities of polytetrafluoroethylene (PTFE) powder in order to trap the fines in a web of PTFE submicroscopic fibers.
REFERENCES:
patent: 3051662 (1962-08-01), Pitzer et al.
patent: 3625755 (1971-12-01), Potrafke
patent: 3838064 (1974-09-01), Vogt et al.
patent: 3838092 (1974-09-01), Vogt et al.
patent: 3855307 (1974-12-01), Rony et al.
"Harshaw's Dustless Process," The Harshaw Chemical Co., Cleveland, Ohio.
Exxon Research and Engineering Company
Garvin Patrick P.
Roth David A.
Sheehan John P.
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