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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
02/14/2023
Application #:
16981536
Filing Dt:
09/16/2020
Publication #:
Pub Dt:
08/19/2021
Inventors:
Thu NGUYEN, Renke ROMMERSKIRCHEN, Jorge FERNANDEZ
Title:
Alkyl Alkoxylated Carboxylate Salts as Steam Foam Additives for Heavy Oil Recovery
Assignment: 1
Reel/Frame:
055062/0794Recorded: 01/28/2021Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
10/20/2020
Exec Dt:
10/19/2020
Exec Dt:
11/03/2020
Assignee:
ANCKELMANNSPLATZ 1
HAMBURG, GERMANY 20537
Correspondent:
BUSHMAN WERNER, P.C.
1800 AUGUSTA DR.
SUITE 220
HOUSTON, TX 77057
Assignment: 2
Reel/Frame:
061658/0115Recorded: 10/12/2022Pages: 24
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/14/2020
Assignee:
ANCKELMANNSPLATZ 1
HAMBURG, GERMANY 20537
Correspondent:
ERIN J. WERNER
PO BOX 70648
HOUSTON, TX 77270

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