PITTSBURG & MIDWAY COAL MINING CO., THE

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ENGLEWOOD, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Prevention of deleterious deposits in a coal liquefaction system
- Patent number 4,457,826
- Issue date Jul 3, 1984
- The Pittsburg & Midway Coal Mining Co.
- Norman L. Carr
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for heating coal-oil slurries
- Patent number 4,424,108
- Issue date Jan 3, 1984
- The Pittsburg & Midway Coal Mining Co.
- Walter A. Braunlin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for removing polymer-forming impurities from naphtha fraction
- Patent number 4,422,927
- Issue date Dec 27, 1983
- The Pittsburg & Midway Coal Mining Co.
- Dennis C. Kowalczyk
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coal liquefaction process
- Patent number 4,377,464
- Issue date Mar 22, 1983
- The Pittsburg & Midway Coal Mining Co.
- Norman L. Carr
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for controlling boiling point distribution of coal liquefact...
- Patent number 4,364,817
- Issue date Dec 21, 1982
- The Pittsburg & Midway Coal Mining Co.
- Raymond P. Anderson
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Control of pyrite addition in coal liquefaction process
- Patent number 4,364,818
- Issue date Dec 21, 1982
- The Pittsburg & Midway Coal Mining Co.
- Bruce K. Schmid
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for blending coal with water immiscible liquid
- Patent number 4,356,078
- Issue date Oct 26, 1982
- The Pittsburg & Midway Coal Mining Co.
- Leonard J. Heavin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Short residence time coal liquefaction process including catalytic...
- Patent number 4,330,388
- Issue date May 18, 1982
- The Pittsburg & Midway Coal Mining Co.
- Raymond P. Anderson
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Controlled short residence time coal liquefaction process
- Patent number 4,328,088
- Issue date May 4, 1982
- The Pittsburg & Midway Coal Mining Co.
- Raymond P. Anderson
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

PITTSBURG & MIDWAY COAL MINING CO., THE

Organization

Patents Grantslast 30 patents

Prevention of deleterious deposits in a coal liquefaction system

Process for heating coal-oil slurries

Process for removing polymer-forming impurities from naphtha fraction

Coal liquefaction process

Method for controlling boiling point distribution of coal liquefact...

Control of pyrite addition in coal liquefaction process

Process for blending coal with water immiscible liquid

Short residence time coal liquefaction process including catalytic...

Controlled short residence time coal liquefaction process