Granted Patent
B2
US 10,273,324 · App. 15/016,939 · Granted Apr 30, 2019
Polyvinylamide polymers containing polymerizable functionalities
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Abstract
The present invention relates to a polymer comprising an N-vinyl amide monomer and a dual functional monomer. In the case where the dual functional monomer incorporates a glycidyl acrylate, a third polymerizable monomer is also included. The polymer can be varied in charge.
Claims (5)
1. A polymer consisting of:
a) 15-92 weight % of a N-vinyl caprolactam (VCL) monomer;
b) 1-10 weight % of a glycidyl methacrylate (GMA);
c) 5-10 weight % of a dimethylaminopropyl methacrylamide (DMAPMA) monomer; and
d) 2-7 weight % of a hydroxyethyl methacrylate (HEMA) monomer.
Assignments (5)
RELEASE OF SECURITY INTEREST
Recorded Jan 10, 2020
From: THE BANK OF NOVA SCOTIA
To: AVOCA LLC; HERCULES LLC; ISP INVESTMENTS LLC; PHARMACHEM LABORATORIES LLC
Reel/Frame 051557/0504 →
SECURITY AGREEMENT
Recorded Jul 3, 2017
From: AVOCA, INC.; HERCULES LLC; ISP INVESTMENTS LLC; PHARMACHEM LABORATORIES, INC.
To: THE BANK OF NOVA SCOTIA, AS ADMINISTRATIVE AGENT
Reel/Frame 043084/0753 →
CHANGE OF NAME
Recorded May 24, 2017
From: ISP INVESTMENTS INC.
To: ISP INVESTMENTS LLC
Reel/Frame 042560/0842 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jun 27, 2016
From: HOOD, DAVID K.; MUSA, OSAMA M.
To: ISP INVESTMENTS INC.
Reel/Frame 039011/0384 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Apr 26, 2016
From: HOOD, DAVID K.
To: ISP INVESTMENTS INC.
Reel/Frame 038383/0818 →