Delmar F Church Deceased1018 Wellington Rd, Lawrence, KS 66049
Delmar Church Phones & Addresses
1018 Wellington Rd, Laurence, KS 66049 785-8429341
3010 Harvard Rd, Laurence, KS 66049 785-8429341
Lawrence, KS
Charleston, WV
Mentions for Delmar F Church
Publications & IP owners
Us Patents
Preparation Of Granular Sodium Tripolyphosphate Products
US Patent:
4255274, Mar 10, 1981
Filed:
Jan 2, 1979
Appl. No.:
6/000619
Inventors:
Paul L. Hensler - Lawrence KS
Delmar F. Church - Lawrence KS
Robert W. Beger - Mount Zion IL
Delmar F. Church - Lawrence KS
Robert W. Beger - Mount Zion IL
Assignee:
FMC Corporation - Philadelphia PA
International Classification:
C01B 1516
C11D 716
C11D 716
US Classification:
252135
Abstract:
Dense rotary dried sodium tripolyphosphate (STPP) particles having a bulk density of at least 0. 9 g/cc and a particle size distribution of 0 to 85% by weight +20 mesh, 15 to 100% by weight -20 +100 mesh and 0 to 20% by weight -100 mesh are moisturized by adding a sufficient amount of water to produce a material containing on the average between about 10% and about 30% by weight moisture. The moisturized material is calcined to a temperature within the range of from about 300. degree. to about 600. degree. C. , to produce a granular STPP product having low friability, high absorptivity and a bulk density within the range of from about 0. 65 to about 0. 87 g/cc.
Preparation Of Granular Sodium Tripolyphosphate Products From Screen Undersize Sodium Tripolyphosphate Particles
US Patent:
4251498, Feb 17, 1981
Filed:
Jan 2, 1979
Appl. No.:
6/000609
Inventors:
Paul L. Hensler - Lawrence KS
Delmar F. Church - Lawrence KS
Robert W. Beger - Mount Zion IL
Delmar F. Church - Lawrence KS
Robert W. Beger - Mount Zion IL
Assignee:
FMC Corporation - Philadelphia PA
International Classification:
C01B 1516
C01B 2526
C01B 2526
US Classification:
423315
Abstract:
Screen undersize sodium tripolyphosphate (STPP) particles are compacted, milled and moisturized by adding a sufficient amount of water thereon to produce a material containing on the average between about 15% and about 35% by weight moisture. The moisturized material is calcined to a temperature within the range of from about 300. degree. to about 600. degree. C. , to produce a granular STPP product having a low friability, high absorptivity, and a bulk density within the range of from about 0. 65 to about 0. 87 g/cc.
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