Compositions – Preservative agents – Anti-corrosion
Patent
1997-07-07
1998-09-22
Foelak, Morton
Compositions
Preservative agents
Anti-corrosion
2523157, 423338, B01J 1300, B32B 702, C01B 3312
Patent
active
058110313
ABSTRACT:
Process for the preparation of aerogels by subcritical drying of inorganic and organic hydrogels and lyogels to give aerogels, dielectric drying methods being used.
REFERENCES:
patent: 4190457 (1980-02-01), McDaniel
patent: 4970397 (1990-11-01), Green et al.
patent: 5081163 (1992-01-01), Pekala
patent: 5381149 (1995-01-01), Dougherty et al.
patent: 5409683 (1995-04-01), Tillotson et al.
Chemical Abstracts, vol. 80, No. 10, 11 Mar. 1974, Columbus, Ohio; Abstract No. 52623b, BUTSKO `Effect of an electric field on silica gel structure`.
Jansen Rolf-Michael
Kessler Birgit
Wonner Johann
Zimmermann Andreas
Foelak Morton
Hoechst Aktiengesellschaft
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