Patent Assignment
Reel/Frame 045946/0786
Assignment of Assignor's Interest
Recorded: 2018-05-31
Pages: 11
Assignor
ALBEMARLE CORPORATION
Executed: 2018-04-03
Assignee
W. R. GRACE & CO-CONN.
7500 GRACE DRIVE, COLUMBIA, MARYLAND, 21044
Covered Properties
(27)
Alkylaluminoxane Compositions and Their Preparation
Patent:
6,013,820 →
Application:
09/040,874 →
Enhanced Production of Bridged Hafnocenes
Patent:
5,905,162 →
Application:
09/057,178 →
Catalytic Process for Isomerizing Metallocenes
Patent:
5,965,759 →
Application:
09/159,528 →
Production of Silated Haloarenes by Selective Silylation of Polyhaloarenes
Patent:
6,084,117 →
Application:
09/444,765 →
Enhanced synthesis of racemic metallocenes
Patent:
6,252,098 →
Application:
09/586,818 →
Process for producing a magnesium di[tetrakis(Faryl)borate] and products tfherefrom
Patent:
6,388,138 →
Application:
09/724,647 →
Haloaluminoxane Compositions, Their Preparation, and Their Use in Catalysis
Process for Producing Tetrakis(Faryl)Borate Salts
Haloaluminoxane Compositions, Their Preparation, and Their Use in Catalysis
Halide Reduction in Dihydrocarbylmagnesium Mixtures
Processes for the Preparation of Tetrakis(F Aryl)Borate Salts
Aluminoxane Catalyst Activators Derived from Dialkylaluminum Cation Precursor Agents, Processes for Making Same, and Use Thereof in Catalysts and Polymerization of Olefins
Aluminoxane Compositions, Their Preparation, and Their Use in Catalysis
Single-Site Catalyst Activators, Processes for Making Same, and Use Thereof in Catalysts and Polymerization of Olefins
Catalyst Activators, Processes for Making Same, and Use Thereof in Catalysts and Polymerization of Olefins
Ionic Bronsted Acid
Catalyst Activators, Processes for Making Same, and Use Thereof in Catalysts and Polymerization of Olefins
Catalyst Activators, Processes for Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins
Catalyst Activators, Processes for Making Same, and Use Thereof in Catalysts and Polymerization of Olefins
Processes for Producing Transition Metal Amides
Processes for Producing Transition Metal Amido and Imido Compounds
Aluminoxane Catalyst Activators Derived From Dialkylalumium Cation Precursor Agents, Processes for Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins
Activator Compositions, Their Preparation, and Their Use In Catalysis
Aluminoxane Catalyst Activators Containing Carbocation Agents, and use thereof in Polyolefin Catalysts
Activator Compositions, Their Preparation, and Their Use in Catalysts
Process For Producing Tetrakis(F aryl)Borate Salts
Process For Producing Tetrakis(F aryl)Borate Salts
Related Assignments
(17)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 1, 2007
From: LUO, LUBIN; STRICKLER, JAMIE R.; DIEFENBACH, STEVEN P.; SANGOKOYA, SAMUEL A.
To: ALBEMARLE CORPORATION
Reel/Frame 018840/0749 →
Assignment of Assignor's Interest
Aug 23, 2007
From: LUO, LUBIN; SANGOKOYA, SAMUEL A.; DIEFENBACH, STEVEN P.; STRICKLER, JAMIE R.
To: ALBEMARLE CORPORATION
Reel/Frame 019736/0955 →
Assignment of Assignor's Interest
Oct 29, 2007
From: PRADHAN, MILIND MADHAV; CHENG, CHI HUNG; MATHUR, RAJEEV S.; HOLUB, RICHARD A.
To: ALBEMARLE CORPORATION
Reel/Frame 020030/0624 →
Assignment of Assignor's Interest
Nov 5, 2008
From: LUO, LUBIN; STRICKLER, JAMIE R.; DIEFENBACH, STEVEN P.; SANGOKOYA, SAMUEL A.
To: ALBEMARLE CORPORATION
Reel/Frame 021787/0189 →
Assignment of Assignor's Interest
Jul 31, 2009
From: WANG, ZHIKE; LUO, LUBIN; DIEFENBACH, STEVEN P.
To: ALBEMARLE CORPORATION
Reel/Frame 023035/0528 →
Assignment of Assignor's Interest
Jul 31, 2009
From: LUO, LUBIN
To: ALBEMARLE CORPORATION
Reel/Frame 023035/0460 →
Assignment of Assignor's Interest
Sep 11, 2009
From: LUO, LUBIN; WANG, ZHIKE; DIEFENBACH, STEVEN P.; WU, XIAO
To: ALBEMARLE CORPORATION
Reel/Frame 023221/0930 →
Assignment of Assignor's Interest
Nov 13, 2009
From: LUO, LUBIN; WANG, ZHIKE; DIEFENBACH, STEVEN P.
To: ALBEMARLE CORPORATION
Reel/Frame 023517/0500 →
Assignment of Assignor's Interest
Nov 28, 2017
From: BERRIS, BRUCE C
To: ALBEMARLE CORPORATION
Reel/Frame 044239/0555 →
Assignment of Assignor's Interest
Nov 28, 2017
From: LUO, LUBIN; WU, XIAO; DIEFENBACH, STEVEN P
To: ALBEMARLE CORPORATION
Reel/Frame 044239/0696 →
Assignment of Assignor's Interest
Dec 4, 2017
From: LEE, JOHN Y; MATHUR, RAJEEV S
To: ALBEMARLE CORPORATION
Reel/Frame 044669/0233 →
Security Interest
Feb 17, 2023
From: W.R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 062792/0510 →
Security Interest
Apr 2, 2023
From: W. R. GRACE & CO.-CONN.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 063237/0262 →
Security Interest
Apr 2, 2023
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 063237/0252 →
Security Agreement (Notes)
Aug 19, 2025
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 072520/0653 →
Notes Security Interest
Jan 29, 2026
From: W. R. GRACE & CO.-CONN.; ADVANCED REFINING TECHNOLOGIES LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 074532/0229 →
Release of Security Interest Supplement No. 1, Recorded at Reel/Frame 063237/0252
Feb 2, 2026
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: W. R. GRACE & CO.-CONN.
Reel/Frame 074612/0939 →