John A. Stewart

Follow

Person

Libertyville, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Settling clay-containing slimes
- Patent number 4,051,027
- Issue date Sep 27, 1977
- International Minerals & Chemical Corporation
- Othmer F. Batzer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE