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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
09/19/2023
Application #:
17643523
Filing Dt:
12/09/2021
Publication #:
Pub Dt:
10/13/2022
Inventors:
Qinghua Li, Mark Hemphill, Ashish Dubey
Title:
METHODS OF REMOVING CHLORIDE FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT
Assignment: 1
Reel/Frame:
058348/0171Recorded: 12/09/2021Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
12/02/2021
Exec Dt:
12/07/2021
Exec Dt:
12/03/2021
Assignee:
550 WEST ADAMS STREET
CHICAGO, ILLINOIS 60661-3676
Correspondent:
VORYS, SATER, SEYMOUR AND PEASE LLP
1909 K ST., NW
9TH FLOOR
WASHINGTON, DC 20006-1152
Assignment: 2
Reel/Frame:
059029/0613Recorded: 02/17/2022Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/19/2022
Assignee:
AM BAHNHOF 10
IPHOFEN, GERMANY 97346
Correspondent:
UNITED STATES GYPSUM COMPANY
550 WEST ADAMS STREET
CHICAGO, IL 60661

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