Porous materials having a dual surface

Details Porous materials having a dual surface Porous materials having a dual surface

Filed on

1984-04-09

Date issued

1988-11-01

Examiner

Konopka, Paul E.

Patent Class

Catalyst, solid sorbent, or support therefor: product or process

SubClass

Solid sorbent

SubSubClass

Organic

Other Related Categories

55386, 2101982, 2101983, 210656, 252184, 427 541, 427387, 428 44, 428405, 428447, 502 5, 502402, B01J 2032, B01J 2022, B01D 1508, B32B 514

Type

Patent

Status

active

Patent number

047820403

Description

ABSTRACT:
Porous materials having a dual surface are disclosed. Also disclosed is a method for their preparation. An example of such a material is a silica gel reacted with a reactive silane intermediate such as (CH.sub.3).sub.2 Si.dbd.O and then, with a reactive silane such as ##STR1## to give a dual treated material having --((CH.sub.3).sub.2 SiO).sub.x H on the exterior surface and ##STR2## on the interior surface of the pores.

REFERENCES:
patent: 3207699 (1965-09-01), Harding
patent: 3839385 (1974-10-01), Meiller et al.
patent: 3984349 (1976-10-01), Meiller et al.
patent: 4042749 (1977-08-01), Sandvig
patent: 4071546 (1978-01-01), Plueddemann
patent: 4298500 (1981-11-01), Abbott
patent: 4336309 (1982-06-01), Jackel et al.
patent: 4379931 (1983-04-01), Plueddemann
patent: 4415631 (1983-11-01), Schutijser
patent: 4495218 (1985-01-01), Azuma et al.
patent: 4512898 (1985-04-01), Naokumi et al.

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