Patent Assignment
Reel/Frame 073452/0334
Security Interest
Recorded: 2026-01-13
Pages: 18
Assignor
BIOSENTA INC.
Executed: 2021-05-21
Assignee
1943391 ONTARIO LTD.
75 TUDHOPE STREET, PARRY SOUND, P2A 0C6, CANADA
Covered Properties
(3)
Method and Apparatus for the Preparation of Calcium Carbonate Coated Calcium Hydroxide Particles
Disinfectant Formulation Comprising Calcium Hydroxide and Sodium Hypochlorite
Method and Apparatus for Producing Core-Shell Calcium Hydroxide-Calcium Carbonate Particles
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 26, 2014
From: MARTIN, MARCUS E.; PARDIAK, EDWARD K.
To: 2262554 ONTARIO INC.
Reel/Frame 034270/0107 →
Assignment of Assignor's Interest
Sep 22, 2015
From: 2262554 ONTARIO INC.
To: BIOSENTA INC.
Reel/Frame 036619/0616 →
Security Interest
Nov 17, 2015
From: BIOSENTA INC.
To: 1943391 ONTARIO LTD.
Reel/Frame 037063/0687 →
Assignment of Assignor's Interest
Dec 14, 2016
From: MARTIN, MARCUS E.
To: 2320696 ONTARIO INC.
Reel/Frame 040734/0291 →
Assignment of Assignor's Interest
Dec 14, 2016
From: 2320696 ONTARIO INC.
To: BIOSENTA INC.
Reel/Frame 040734/0347 →
Settlement Agreement Evidencing Duty to Assign
Jun 24, 2019
From: PARDIAK, EDWARD
To: BIOSENTA INC.
Reel/Frame 049572/0535 →