Process for the production of zeolites modified on the surface w

Details Process for the production of zeolites modified on the surface w Process for the production of zeolites modified on the surface w

1983-03-09

1984-06-12

Albrecht, Dennis L.

Compositions

Water-softening or purifying or scale-inhibiting agents

252140, 25217425, 252179, 427219, 428405, 556482, 502 62, C02F 142, C11D 312, C11D 1104, C11D 1706

Patent

active

044540566

ABSTRACT:
The invention is directed to a process for the production of zeolites of the type Na A4 having the surface modified with organosilanes. The organosilane must have at least one alkoxy group bonded to the silicon atom. The modified zeolites of the invention are used in washing and cleansing agents.

REFERENCES:
patent: 3846463 (1974-11-01), Nagai
patent: 4034139 (1977-07-01), Mazarguil
patent: 4073867 (1978-02-01), Roebke
patent: 4138363 (1979-02-01), Hertzenberg
patent: 4183814 (1980-01-01), Ramachandran
patent: 4216125 (1980-08-01), Campbell
patent: 4243545 (1981-01-01), Campbell
patent: 4303626 (1981-12-01), Strack
patent: 4303627 (1981-12-01), Strack
patent: 4303628 (1981-12-01), Strack
patent: 4303629 (1981-12-01), Strack
patent: 4305916 (1981-12-01), Strack

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