IP Library Assignment 073452/0334
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
Patent: 9,493,658 →
Application: 14/351,598 →
Publication: US 2014/0326167
Disinfectant Formulation Comprising Calcium Hydroxide and Sodium Hypochlorite
Application: 15/378,552 →
Publication: US 2017/0094977
Method and Apparatus for Producing Core-Shell Calcium Hydroxide-Calcium Carbonate Particles
Application: 17/978,855 →
Publication: US 2023/0140807
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 →