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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
10/10/2017
Application #:
14424852
Filing Dt:
02/27/2015
Publication #:
Pub Dt:
08/06/2015
Inventors:
Patrick McCarthy, Yuanxi Liao, Liang Huang
Title:
DUAL-MECHANISM THICKENING AGENTS FOR HYDRAULIC FRACTURING FLUIDS
Assignment: 1
Reel/Frame:
042413/0538Recorded: 05/17/2017Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
03/29/2017
Exec Dt:
03/29/2017
Exec Dt:
03/29/2017
Assignee:
855 WILLIAM PITT WAY
PITTSBURGH, PENNSYLVANIA 15238
Correspondent:
JONES DAY
250 VESEY STREET
NEW YORK, NY 10281-1047
Assignment: 2
Reel/Frame:
046986/0143Recorded: 08/30/2018Pages: 3
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/18/2017
Assignee:
855 WILLIAM PITT WAY
PITTSBURGH, PENNSYLVANIA 15238
Correspondent:
ERIC M. ROBBINS
600 VINE STREET
SUITE 2800
CINCINNATI, OH 45202
Assignment: 3
Reel/Frame:
048077/0454Recorded: 01/15/2019Pages: 5
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE RECEIVING PARTY PREVIOUSLY RECORDED AT REEL: 046986 FRAME: 0143. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignor:
Exec Dt:
12/18/2017
Assignee:
855 WILLIAM PITT WAY
PITTSBURGH, PENNSYLVANIA 15238
Correspondent:
ERIC M. ROBBINS
600 VINE STREET
SUITE 2800
CINCINNATI, OH 45202
Assignment: 4
Reel/Frame:
046794/0322Recorded: 09/05/2018Pages: 7
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/04/2018
Assignee:
425 WALNUT STREET, CN-WN-08
CINCINNATI, OHIO 45202
Correspondent:
DUSAN CLARK, ESQ.
SIDLEY AUSTIN LLP
2021 MCKINNEY AVE., SUITE 2000
DALLAS, TX 75201
Assignment: 5
Reel/Frame:
062859/0909Recorded: 03/02/2023Pages: 9
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/06/2022
Exec Dt:
09/06/2022
Exec Dt:
09/06/2022
Assignee:
425 WALNUT STREET, CN-WN-08
CINCINNATI, OHIO 45202
Correspondent:
KATARZYNA GAYSUNAS
1 FEDERAL ST
C/O MORGAN, LEWIS & BOCKIUS LLP
BOSTON, MA 02110-1726

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