Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1975-10-20
1977-08-02
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
B01J 2108, B01J 2900
Patent
active
040394743
ABSTRACT:
Porous silica-alumina products useful in catalysis are prepared by adding excess alkali to a body of water glass, the excess alkali is responsible for rendering the product extrudable and for increasing the pore diameter.
REFERENCES:
patent: 2462236 (1949-02-01), Thomas
patent: 2477373 (1949-07-01), Hunter
patent: 2839475 (1958-06-01), Innes
patent: 2933456 (1960-04-01), Braithwaite
patent: 3079234 (1963-02-01), Jenkins et al.
patent: 3403109 (1968-09-01), Colgan et al.
Feistel Gerald R.
Pessimisis George N.
Dees Carl F.
Nalco Chemical Company
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