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Patricia L Cheung, 62San Leandro, CA

Known as:
Lei T Cheung Lei Tsing Patricia Cheung Leising Cheung Cheung Leising
Related to:
Kew I Lee 75

Patricia Cheung Phones & Addresses

San Leandro, CA   

Hayward, CA   

Alameda, CA   

703 Atlantic Ave APT 120, Alameda, CA 94501   

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Mentions for Patricia L Cheung

Resumes & CV records

Resumes

Patricia Cheung Photo 25

Patricia Cheung

Patricia Cheung Photo 26

Engineer At Network Appliance

Location:
San Francisco Bay Area
Industry:
Computer Networking
Patricia Cheung Photo 27

Postdoctoral Scholar At Stanford University

Location:
San Francisco Bay Area
Industry:
Research
Patricia Cheung Photo 28

Patricia Cheung

Location:
United States

Publications & IP owners

Us Patents

Process For Carbonylation Of Alkyl Ethers

US Patent:
7465822, Dec 16, 2008
Filed:
Dec 15, 2006
Appl. No.:
11/639420
Inventors:
Patricia Cheung - Berkeley CA, US
Enrique Iglesia - Moraga CA, US
John Glenn Sunley - East Yorkshire, GB
David John Law - East Yorkshire, GB
Aditya Bhan - Berkeley CA, US
Assignee:
BP Chemicals Ltd. - Middlesex
The Regents of the University of California - Oakland CA
International Classification:
C07C 67/36
C07C 51/10
US Classification:
560232, 562517
Abstract:
A product comprising a lower alkyl ester of a lower aliphatic carboxylic acid is produced by a process comprising reacting under substantially anhydrous conditions a lower alkyl ether with carbon monoxide in the presence of a zeolite catalyst having an 8-member ring channel which is interconnected with a channel defined by a ring with greater than or equal to 8 members, the 8-member ring having a window size of at least 2. 5 Angstroms×at least 3. 6 Angstroms and at least one Brønsted acid site and the zeolite having a silica:XOratio of at least 5, wherein X is selected from aluminum, boron, iron, gallium and mixtures thereof.

Process For Carbonylation Of Alkyl Ethers

US Patent:
2006025, Nov 9, 2006
Filed:
May 5, 2005
Appl. No.:
11/123581
Inventors:
Patricia Cheung - Berkeley CA, US
Enrique Iglesia - Moraga CA, US
John Sunley - Cottingham, GB
Assignee:
The Regents of the University of California - Oakland CA
BP Chemicals Limited - Middlesex
International Classification:
C07C 67/36
US Classification:
560232000
Abstract:
A product comprising a lower alkyl ester of a lower aliphatic carboxylic acid is produced by a process comprising reacting a lower alkyl ether with carbon monoxide in the presence of a catalyst comprising mordenite and/or ferrierite, under substantially anhydrous conditions. More specifically, methyl acetate is selectively produced by reaction of dimethyl ether with carbon monoxide in the presence of a catalyst comprising mordenite or ferrierite, under substantially anhydrous conditions.

Process For Carbonylation Of Alkyl Ethers

US Patent:
2006028, Dec 21, 2006
Filed:
May 3, 2006
Appl. No.:
11/417415
Inventors:
Patricia Cheung - Berkeley CA, US
Enrique Iglesia - Moraga CA, US
John Sunley - East Yorkshire, GB
Aditya Bhan - Berkeley CA, US
David Law - East Yorkshire, GB
Assignee:
The Regents of the University of California - Oakland CA
BP Chemichal Limited - Middlesex
International Classification:
C07C 67/36
US Classification:
560232000
Abstract:
A product comprising a lower alkyl ester of a lower aliphatic carboxylic acid is produced by a process comprising reacting a lower alkyl ether with carbon monoxide in the presence of a catalyst comprising mordenite and/or ferrierite, optionally including an additional framework metal such as gallium, boron and/or iron, under substantially anhydrous conditions. More specifically, methyl acetate is selectively produced by reaction of dimethyl ether with carbon monoxide in the presence of a catalyst comprising mordenite or ferrierite, under substantially anhydrous conditions.

Possible Relatives

David Cheung  Deanna G Cheung  Daisy Cheung  Debbie Cheung  Daniel M Cheung  Aaron Cheung  Danny K Cheung  Patricia M Johnson  Patricia M Stanard  Patricia B Standard 

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