Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-05-06
1978-09-05
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
423339, B01J 2108, B01J 2900, C01B 3312
Patent
active
041118430
ABSTRACT:
Porous silica particles useful in catalysis are prepared by adding excess alkali to a body of water glass; the excess alkali is responsible for increasing the pore diameter.
REFERENCES:
patent: 2071987 (1937-02-01), Ridler
patent: 2092163 (1937-09-01), Johnson
patent: 2097634 (1937-11-01), Malan et al.
patent: 2176851 (1939-10-01), Brewer et al.
patent: 2933456 (1960-04-01), Braithwaite
patent: 3325249 (1967-06-01), Burke, Jr. et al.
Feistel Gerald R.
Pessimisis George N.
Dees Carl F.
Nalco Chemical Company
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