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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
06/12/2018
Application #:
15296421
Filing Dt:
10/18/2016
Publication #:
Pub Dt:
04/20/2017
Inventors:
Yue CHANG, Manfred KRECZINSKI, Matthias WOYCIECHOWSKI, Martin MAIER
Title:
TREATMENT OF THE WASTEWATER FROM ISOPHORONE PRODUCTION COMPRISING NEUTRALIZATION, FILTRATION AND A DOWNSTREAM CHEMICAL OXIDATION PROCESS AND SUBSEQUENT REDUCTION
Assignment: 1
Reel/Frame:
041400/0001Recorded: 02/28/2017Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/04/2016
Exec Dt:
12/01/2016
Exec Dt:
11/10/2016
Exec Dt:
01/27/2017
Assignee:
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Correspondent:
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 2
Reel/Frame:
051045/0872Recorded: 11/18/2019Pages: 5
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/04/2019
Assignee:
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Correspondent:
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD.
5TH FLOOR
TYSONS, VA 22102

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