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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
08/03/2021
Application #:
16580830
Filing Dt:
09/24/2019
Publication #:
Pub Dt:
01/16/2020
Inventors:
Feng Liang, Leiming Li, Tao Chen
Title:
METHODS FOR PRODUCING SEAWATER BASED, HIGH TEMPERATURE VISCOELASTIC SURFACTANT FLUIDS WITH LOW SCALING TENDENCY
Assignment: 1
Reel/Frame:
050482/0088Recorded: 09/25/2019Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/01/2017
Assignee:
P.O. BOX 5000
DHAHRAN, SAUDI ARABIA 31311
Correspondent:
DINSMORE & SHOHL LLP
FIFTH THIRD CENTER, ONE SOUTH MAIN STREET
SUITE 1300
DAYTON, OH 45402-2023
Assignment: 2
Reel/Frame:
050482/0028Recorded: 09/25/2019Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
07/27/2017
Exec Dt:
07/27/2017
Assignee:
1200 SMITH STREET
TWO ALLEN BUILDING
HOUSTON, TEXAS 77002
Correspondent:
DINSMORE & SHOHL LLP
FIFTH THIRD CENTER, ONE SOUTH MAIN STREET
SUITE 1300
DAYTON, OH 45402-2023
Assignment: 3
Reel/Frame:
050482/0147Recorded: 09/25/2019Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/16/2018
Assignee:
P.O. BOX 5000
DHAHRAN, SAUDI ARABIA 31311
Correspondent:
DINSMORE & SHOHL LLP
FIFTH THIRD CENTER, ONE SOUTH MAIN STREET
SUITE 1300
DAYTON, OH 45402-2023

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