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Daniel P. Hagewiesche
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Carlsbad, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Extending the life of an aromatization catalyst
Patent number
8,563,794
Issue date
Oct 22, 2013
Chevron Phillips Chemical Company LP
Scott H. Brown
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Extending the life of an aromatization catalyst
Patent number
8,288,603
Issue date
Oct 16, 2012
Chevron Phillips Chemical Company LP
Scott H. Brown
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Extending the life of an aromatization catalyst
Patent number
7,868,217
Issue date
Jan 11, 2011
Chevron Phillips Chemical Company LP
Scott H. Brown
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrodealkylation processes
Patent number
RE38532
Issue date
Jun 8, 2004
Chevron Phillips Chemical Company LP
John V. Heyse
585 - Chemistry of hydrocarbon compounds
Information
Patent Grant
Increasing production in hydrocarbon conversion processes
Patent number
6,602,483
Issue date
Aug 5, 2003
Chevron Phillips Chemical Company LP
John V. Heyse
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for removing reactive metal from a reactor system
Patent number
6,551,660
Issue date
Apr 22, 2003
Chevron Phillips Chemical Company LP
Dennis L. Holtermann
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus for hydrocarbon processing
Patent number
6,548,030
Issue date
Apr 15, 2003
Chevron Phillips Chemical Company LP
John V. Heyse
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for removing reactive metal from a reactor system
Patent number
6,419,986
Issue date
Jul 16, 2002
Chevron Phillips Chemical Company IP
Dennis L. Holtermann
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Increasing production in hydrocarbon conversion processes
Patent number
6,274,113
Issue date
Aug 14, 2001
Chevron Phillips Chemical Company LP
John V. Heyse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Using hydrocarbon streams to prepare a metallic protective layer
Patent number
6,139,909
Issue date
Oct 31, 2000
Chevron Chemical Company
Daniel P. Hagewiesche
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrodealkylation processes
Patent number
5,866,743
Issue date
Feb 2, 1999
Chevron Chemical Company
John V. Heyse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Low-sulfur reforming process
Patent number
5,863,418
Issue date
Jan 26, 1999
Chevron Chemical Company
John V. Heyse
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrodealkylation processes
Patent number
5,849,969
Issue date
Dec 15, 1998
Chevron Chemical Company
John V. Heyse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Increasing production in hydrocarbon conversion processes
Patent number
5,658,452
Issue date
Aug 19, 1997
Chevron Chemical Company
John V. Heyse
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Extending the Life of an Aromatization Catalyst
Publication number
20130066125
Publication date
Mar 14, 2013
Chevron Phillips Chemical Company LP
Scott H. BROWN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Extending the life of an aromatization catalyst
Publication number
20110190558
Publication date
Aug 4, 2011
Chevron Phillips Chemical Company LP
Scott H. Brown
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Extending the life of an aromatization catalyst
Publication number
20090124840
Publication date
May 14, 2009
Chevron Phillips Chemical Company LP
Scott H. Brown
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Apparatus for hydrocarbon processing
Publication number
20020179495
Publication date
Dec 5, 2002
John V. Heyse
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Increasing production in hydrocarbon conversion processes
Publication number
20020043479
Publication date
Apr 18, 2002
Chevron Phillips Chemical Company LP
John V. Heyse
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for removing reactive metal from a reactor
Publication number
20010031313
Publication date
Oct 18, 2001
Chevron Phillips Chemical Corporation LC.
Dennis L. Holtermann
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...