IP Library › Granted Patent US 4,891,141
Granted Patent Utility
US 4,891,141 · App. 07/131,754

Oxygen scavenger for boiler water and method of use

Inventors: Ronald J. Christensen, Lyle H. Steimel
Patented Case View Patent ↗
Granted: Jan 2, 1990 Filed: Dec 11, 1987
Inventors
Ronald J. Christensen
Lyle H. Steimel
Assignee (at issue)
Dubois Chemicals, Inc.

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Quick Facts
Patent No.
US 4,891,141
App. No.
07/131,754
Filed
1987-12-11
Granted
1990-01-02
Kind
A