Patent Assignment
Reel/Frame 052121/0180
Nunc Pro Tunc Assignment
Recorded: 2020-03-16
Pages: 7
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
CHESTNUT RUN PLAZA, 974 CENTRE ROAD, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Alkylation with Olefin Mixtures
Application:
16/647,554 →
Publication:
US 2020/0231520
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 16, 2020
From: E.I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
Reel/Frame 052121/0089 →
Assignment of Assignor's Interest
Jul 31, 2020
From: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
To: REFINING TECHNOLOGY SOLUTIONS, LLC
Reel/Frame 053369/0532 →
Ip Security Agreement Supplement
Apr 4, 2022
From: REFINING TECHNOLOGY SOLUTIONS, LLC
To: MADISON PACIFIC TRUST LIMITED, AS SECURITY AGENT
Reel/Frame 059593/0951 →
Release of Security Interest Recorded at Reel/Frame 059593/0951
Nov 19, 2024
From: MADISON PACIFIC TRUST LIMITED
To: REFINING TECHNOLOGY SOLUTIONS, LLC
Reel/Frame 069389/0366 →