Dorr; Karl-Heinz

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dorr; Karl-Heinz.The latest application filed is for "process of purifying flue gases".

Company Profile

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Dorr; Karl-Heinz - Mainz DE
Dorr; Karl-Heinz - Maimz DT
Dorr; Karl-Heinz - Frankfurt/Main DT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Process of purifying flue gases Grant 5,030,428 - Dorr , et al. July 9, 1	1991-07-09
Process for producing sulfuric acid Grant 4,029,751 - Dorr , et al. June 14, 1	1977-06-14
Catalytic reactor having annular catalyst tray means Grant 3,963,423 - Dorr , et al. June 15, 1	1976-06-15
Process for absorbing SO.sub.3 Grant 3,950,493 - Dorr , et al. April 13, 1	1976-04-13
Process for the removal of gaseous impurities from the exhaust gases of a contact-process plant for the production of sulfuric acid Grant 3,944,401 - Dorr , et al. March 16, 1	1976-03-16
Method Of Removing So And H So Mist From A Gas Stream Grant 3,853,502 - Dorr , et al. December 10, 1	1974-12-10
System For The Liquid-phase Removal Of A Component From The Gas Stream Especially The Absorption Of Sulfur Trioxide In Sulfuric Acid Grant 3,780,499 - Dorr , et al. December 25, 1	1973-12-25
Process For The Catalytic Conversion Of Sulfur Dioxide To Sulfur Trioxide With Production Of Sulfuric Acid Grant 3,656,900 - Drechsel , et al. April 18, 1	1972-04-18
Absorption Process Grant 3,593,497 - Grimm , et al. July 20, 1	1971-07-20

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