Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-12-15
1989-06-06
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523513, 524492, 524493, 106461, C08K 336
Patent
active
048372536
ABSTRACT:
Corrosion inhibiting calcium-containing amorphous precipitated silica is described. The silica is prepared by admixing simultaneously in a reactor aqueous alkali metal silicate, e.g., sodium silicate, acidifying agent, e.g., hydrochloric acid, and a water-soluble source of calcium, e.g., calcium chloride. The product contains from 6 to 9 weight percent calcium (as CaO). The silica product may be incorporated into a coating composition used for corrodible metallic surfaces.
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Carson Dennis W.
Johnson Harlan B.
Jones Laurence E.
Krivak Thomas G.
Mansell J. Douglas
Jacobs Lewis T.
PPG Industries Inc.
Stein Irwin M.
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