Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1984-08-15
1986-07-15
Lieberman, Allan M.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428404, 428406, 435803, B32B 516, B32B 604, B32B 1710
Patent
active
046006460
ABSTRACT:
Surface-stabilized porous silica having discontinuous metal oxide layer over the silica, chromatographic packings based on the metal-stabilized silica and processes for their preparation, are provided. The chromatographic packings so provided have increased life time.
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E. I. Du Pont de Nemours and Company
Frank George A.
Lieberman Allan M.
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