Michael P Driver

US Patent:

6380420, Apr 30, 2002

Filed:

Sep 8, 2000

Appl. No.:

09/657859

Inventors:

William L. Schinski - San Rafael CA
Michael S. Driver - San Francisco CA

Assignee:

Chevron U.S.A. Inc. - San Ramon CA

International Classification:

C07C20948

US Classification:

558308, 558357, 558457, 558462, 564490, 564491, 564492, 564493

Abstract:

A process for preparing fatty amines by the cross-metathesis of normal alpha olefins and acrylonitrile to form an intermediate fatty acid nitrile which is hydrogenated to the corresponding fatty amine.

US Patent:

6605206, Aug 12, 2003

Filed:

Feb 8, 2002

Appl. No.:

10/071281

Inventors:

David R. Johnson - Petaluma CA
Christopher A. Simmons - El Cerrito CA
Donald H. Mohr - Orinda CA
Stephen J. Miller - San Francisco CA
Stephen K. Lee - Oakland CA
William L. Schinski - San Rafael CA
Michael S. Driver - San Francisco CA

Assignee:

Chevron U.S.A. Inc. - San Ramon CA

International Classification:

C10G 6717

US Classification:

208 80, 208 78, 208950, 585304, 585327

Abstract:

A process for increasing the yield of C plus hydrocarbon products from a Fischer-Tropsch plant which comprises the steps of (a) separating a Fischer-Tropsch product into a wax fraction and a condensate fraction; (b) dewaxing the wax fraction to produce a high boiling intermediate; (c) hydrofinishing the high boiling intermediate; (d) dehydrating the alcohols in the condensate fraction to convert them into olefins; (e) oligomerizing the olefins to form higher molecular weight hydrocarbons; (f) hydrofinishing the oligomerization mixture; and (g) and recovering a C plus hydrocarbon product from the hydrofinishing zone.

US Patent:

6703535, Mar 9, 2004

Filed:

Apr 18, 2002

Appl. No.:

10/125879

Inventors:

David R. Johnson - Petaluma CA
Christopher A. Simmons - El Cerrito CA
Donald H. Mohr - Orinda CA
Stephen J. Miller - San Francisco CA
Stephen K. Lee - Oakland CA
William L. Schinski - San Rafael CA
Michael S. Driver - San Francisco CA
William J. Cannella - Hercules CA

Assignee:

Chevron U.S.A. Inc. - San Ramon CA

International Classification:

C07C 204

US Classification:

585303, 585302, 585304, 585329, 585330, 208950

Abstract:

A process for upgrading a Fischer-Tropsch feedstock which comprises (a) recovering from a Fischer-Tropsch reactor a Fischer-Tropsch wax fraction and a Fischer-Tropsch condensate fraction, wherein the Fischer-Tropsch condensate fraction contains alcohols boiling below about 370Â C. ; (b) contacting the Fischer-Tropsch condensate fraction with a dehydration catalyst in a dehydration zone under dehydration conditions pre-selected to convert at least some of the alcohols present in said fraction into olefins and recovering a first intermediate effluent from said dehydration zone; (c) pyrolyzing the paraffins in the Fischer-Tropsch wax fraction in a thermal cracking zone under thermal cracking conditions pre-selected to crack the Fischer-Tropsch wax molecules to form olefins and collecting a second intermediate effluent from the thermal cracking zone; (d) passing the first and second intermediate effluents recovered from steps (b) and (c) to an oligomerization zone containing an oligomerization catalyst under oligomerization conditions to form an oligomerization mixture having a higher molecular weight than either of said first and second intermediate effluent; (e) hydrofinishing the oligomerization mixture in a hydrofinishing zone; and (f) recovering from the hydrofinishing zone a C plus hydrocarbon product, most preferably a lubricating base oil.

US Patent:

20040068150, Apr 8, 2004

Filed:

Oct 7, 2003

Appl. No.:

10/681060

Inventors:

David Johnson - Petaluma CA, US
Christopher Simmons - El Cerrito CA, US
Donald Mohr - Orinda CA, US
Stephen Miller - San Francisco CA, US
Stephen Lee - Oakland CA, US
William Schinski - San Rafael CA, US
Michael Driver - San Francisco CA, US
William Cannella - Hercules CA, US

Assignee:

Chevron U.S.A. Inc.

International Classification:

C07C001/00

US Classification:

585/324000, 585/327000

Abstract:

A process for upgrading a Fischer-Tropsch feedstock which comprises (a) recovering from a Fischer-Tropsch reactor a Fischer-Tropsch wax fraction and a Fischer-Tropsch condensate fraction, wherein the Fischer-Tropsch condensate fraction contains alcohols boiling below about 370 C.; (b) contacting the Fischer-Tropsch condensate fraction with a dehydration catalyst in a dehydration zone under dehydration conditions pre-selected to convert at least some of the alcohols present in said fraction into olefins and recovering a first intermediate effluent from said dehydration zone; (c) pyrolyzing the paraffins in the Fischer-Tropsch wax fraction in a thermal cracking zone under thermal cracking conditions pre-selected to crack the Fischer-Tropsch wax molecules to form olefins and collecting a second intermediate effluent from the thermal cracking zone; (d) passing the first and second intermediate effluents recovered from steps (b) and (c) to an oligomerization zone containing an oligomerization catalyst under oligomerization conditions to form an oligomerization mixture having a higher molecular weight than either of said first and second intermediate effluent; (e) hydrofinishing the oligomerization mixture in a hydrofinishing zone; and (f) recovering from the hydrofinishing zone a Cplus hydrocarbon product, most preferably a lubricating base oil.

US Patent:

20040267070, Dec 30, 2004

Filed:

Jun 30, 2003

Appl. No.:

10/611594

Inventors:

David Johnson - Petaluma CA, US
Thomas Harris - Benicia CA, US
Michael Driver - San Francisco CA, US

Assignee:

Chevron U.S.A. Inc.

International Classification:

C07C002/00

US Classification:

585/329000

Abstract:

A process for oligomerizing a Fischer-Tropsch derived feed containing oxygenates which comprises (a) reducing significantly the oxygenates present in the Fischer-Tropsch derived feed by contacting said feed with a hydrotreating catalyst under hydrotreating conditions in a hydrotreating zone and recovering from the hydrotreating zone a Fischer-Tropsch derived hydrotreated feed which contains a significantly reduced amount of oxygenates as compared to the Fischer-Tropsch derived feed and also a significant amount of paraffins; (b) pyrolyzing the Fischer-Tropsch derived hydrotreated feed in a thermal cracking zone under thermal cracking conditions pre-selected to crack the paraffin molecules to form olefins and collecting an olefin-enriched Fischer-Tropsch feed from the thermal cracking zone; (c) contacting the olefin-enriched Fischer-Tropsch feed with a Lewis acid ionic liquid catalyst in an oligomerization zone under oligomerization reaction conditions; and (d) recovering from the oligomerization zone a Fischer-Tropsch derived product having molecules characterized by a higher average molecular weight and increased branching as compared to the Fischer-Tropsch derived feed.

US Patent:

20050245778, Nov 3, 2005

Filed:

Jun 15, 2005

Appl. No.:

11/154498

Inventors:

David Johnson - Petaluma CA, US
Thomas Harris - Benicia CA, US
Michael Driver - San Francisco CA, US

International Classification:

C10G057/02

US Classification:

585330000, 585329000

Abstract:

A process for oligomerizing a Fischer-Tropsch derived feed containing oxygenates which comprises (a) reducing significantly the oxygenates present in the Fischer-Tropsch derived feed by contacting said feed with a hydrotreating catalyst under hydrotreating conditions in a hydrotreating zone and recovering from the hydrotreating zone a Fischer-Tropsch derived hydrotreated feed which contains a significantly reduced amount of oxygenates as compared to the Fischer-Tropsch derived feed and also a significant amount of paraffins; (b) pyrolyzing the Fischer-Tropsch derived hydrotreated feed in a thermal cracking zone under thermal cracking conditions pre-selected to crack the paraffin molecules to form olefins and collecting an olefin-enriched Fischer-Tropsch feed from the thermal cracking zone; (c) contacting the olefin-enriched Fischer-Tropsch feed with a Lewis acid ionic liquid catalyst in an oligomerization zone under oligomerization reaction conditions; and (d) recovering from the oligomerization zone a Fischer-Tropsch derived product having molecules characterized by a higher average molecular weight and increased branching as compared to the Fischer-Tropsch derived feed.

US Patent:

20160016112, Jan 21, 2016

Filed:

Sep 30, 2015

Appl. No.:

14/870318

Inventors:

- San Ramon CA, US
- Mobile AL, US
Zunqing He - San Rafael CA, US
Kevin N. West - Mobil AL, US
Hye Kyung Timken - Albany CA, US
Michael S. Driver - San Francisco CA, US

International Classification:

B01D 53/62
B01D 53/14
B01D 53/78

Abstract:

An aqueous ionic absorbent solution is disclosed containing (a) about 15 wt. % to about 80 wt. % of one or more diluents, based on the total weight of the aqueous ionic absorbent solution; and (b) an ionic absorbent containing a cation and an anion comprising an amine moiety.

US Patent:

20150068398, Mar 12, 2015

Filed:

Nov 14, 2014

Appl. No.:

14/541431

Inventors:

- San Ramon CA, US
- Mobile AL, US
Zunqing He - San Rafael CA, US
Kevin N. West - Mobil AL, US
Hye Kyung Timken - Albany CA, US
Michael S. Driver - San Francisco CA, US

International Classification:

B01D 53/14

US Classification:

95156, 95236, 95235, 95232

Abstract:

A process and system for separating COfrom a flue gas stream is disclosed. The process involves (a) contacting a flue gas stream containing water vapor and COwith an ionic absorbent under absorption conditions to absorb at least a portion of the COfrom the flue gas stream and form a CO-absorbent complex; wherein the ionic absorbent comprises a cation and an anion comprising an amine moiety; and (b) recovering a gaseous product having a reduced COcontent.