Patent Assignment
Reel/Frame 052468/0175
Release of Security Interest
Recorded: 2020-04-22
Pages: 7
Assignor
WHEATSHEAF GROUP LIMITED
Executed: 2018-12-18
Assignee
OSTARA NUTRIENT RECOVERY TECHNOLOGIES INC.
1199 WEST PENDER STREET, VANCOUVER, BRITISH COLUMBIA, V6E 2R1, CANADA
Covered Properties
(5)
Treatment of Phosphate-Containing Wastewater
Method for Fines Control
Reactor for Precipitating Solutes from Wastewater and Associated Methods
Treatment of Phosphate-Containing Wastewater with Fluorosilicate and Phosphate Recovery
Slow and Fast Release Fertilizer Composition and Methods for Making Same
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 19, 2012
From: COTE, PIERRE; BRITTON, AHREN; SATHYANARAYANA, RAM PRASAD MELAHALLI; HYSLOP, RHONDA MARIA
To: OSTARA NUTRIENT RECOVERY TECHNOLOGIES INC.
Reel/Frame 029321/0303 →
Assignment of Assignor's Interest
Jul 12, 2013
From: BRITTON, AHREN THOMAS; CLARK, DONALD R.; SATHYANARAYANA, RAM PRASAD MELAHALLI
To: OSTARA NUTRIENT RECOVERY TECHNOLOGIES INC.
Reel/Frame 030791/0146 →
Assignment of Assignor's Interest
Sep 6, 2013
From: BRITTON, AHREN
To: OSTARA NUTRIENT RECOVERY TECHNOLOGIES INC.
Reel/Frame 031155/0732 →
Assignment of Assignor's Interest
Feb 24, 2014
From: COTE, PIERRE; BRITTON, AHREN; SATHYANARAYANA, RAM PRASAD MELAHALLI; HYSLOP, RHONDA MARIA
To: OSTARA NUTRIENT RECOVERY TECHNOLOGIES INC.
Reel/Frame 032285/0407 →
Assignment of Assignor's Interest
Dec 3, 2015
From: CLARK, DONALD R.; FROEHLICH, DAN MICHAEL; BRITTON, AHREN THOMAS
To: OSTARA NUTRIENT RECOVERY TECHNOLOGIES INC.
Reel/Frame 037200/0595 →
Security Interest
Nov 29, 2017
From: OSTARA NUTRIENT RECOVERY TECHNOLOGIES INC.
To: WHEATSHEAF GROUP LIMITED
Reel/Frame 044253/0717 →