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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
7323434
Issue Dt:
01/29/2008
Application #:
10719235
Filing Dt:
11/21/2003
Publication #:
20040180795
Pub Dt:
09/16/2004
Inventors:
Changming Su, Rushan Liu, Weiping Xu, Zengchen Guan, Peizhi Yu, Xiushan Liu, Jiafen Li et al
Title:
ELECTROPOSITIVE PRODUCTION WELL TREATING FLUID AND METHOD OF PREPARING THE SAME
Assignment: 1
Reel/Frame:
015368/0826Recorded: 05/25/2004Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
SU, CHANGMING
Exec Dt:
04/13/2004
LIU, RUSHAN
Exec Dt:
04/13/2004
XU, WEIPING
Exec Dt:
04/13/2004
GUAN, ZENGCHEN
Exec Dt:
04/13/2004
YU, PEIZHI
Exec Dt:
04/13/2004
LIU, XIUSHAN
Exec Dt:
04/13/2004
LI, JIAFEN
Exec Dt:
04/13/2004
GUO, BAOYU
Exec Dt:
04/13/2004
CUI, YINGCHUN
Exec Dt:
04/13/2004
GUO, CAIXUAN
Exec Dt:
04/13/2004
LI, JING
Exec Dt:
04/13/2004
Assignees:
CHINA PETROLEUM & CHEMICAL CORPORATION
6A HUIXIN STREET, CHAOYANG
DISTRICT
BEIJING, P.R., CHINA 100029
EXPLORATION & PRODUCTION RESEARCH INSTITUTE, SINOPEC
NO. 31, XUEYUAN ROAD, HAIDIAN DISTRICT
BEIJING 100083, P.R., CHINA
CHINA PETRO-CHEMICAL CORPORATION SHENGLI PETROLEIUM ADMINISTRATIVE BUREAU
NO. 258, JINAN ROAD
DONGYING CITY, SHANDONG PROVINCE, P.R., CHINA
Correspondent:
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JAMES M. SLATTERY
PO BOX 747
FALLS CHURCH, VA 22040-0747

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