IP Library Assignment 070976/0515
Patent Assignment
Reel/Frame 070976/0515

Change of Name

Recorded: 2025-04-29 Pages: 3
Assignor
Assignee
SECURE SPECIALTY CHEMICALS CORP.
BOW VALLEY SQUARE 2, 3600, 205 5TH AVE SW, CALGARY, T2P 2V7, CANADA
Covered Property (1)
Aqueous Drilling Fluid for Reducing Bitumen Accretion
Application: 16/210,268 →
Publication: US 2019/0169480
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 4, 2019
From: MA, KUANGBIAO; DUBBERLEY, STUART
To: SECURE ENERGY (DRILLING SERVICES) INC.
Reel/Frame 048259/0108 →
Security Interest Aug 6, 2024
From: SECURE ENERGY SERVICES INC.
To: ATB FINANCIAL
Reel/Frame 068195/0090 →