Granted Patent
B2
US 9,487,609 · App. 13/259,499 · Granted Nov 8, 2016
Premixes suitable for the production of membrane materials
Assignee:
ISP INVESTMENTS LLC
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Abstract
Premixes suitable for the production of membrane materials are described. Products of this invention are suitable for the formation of membranes and membrane modules that may be in the form of flat sheets, tubes, or hollow fibers.
Claims (10)
1. A premix composition represented by the following structure:
wherein x+y+z+a=100.
2. A premix composition represented by the following structure:
wherein x+y+z+a=100.
3. A premix composition represented by the following structure:
wherein w+x++z=100.
4. A premix composition represented by the following structure:
wherein x+z=100 .
5. A premix composition represented by the following structure:
wherein w+z++z=100.
Assignments (6)
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 22, 2017
From: ISP INVESTMENTS INC.
To: ISP INVESTMENTS LLC
Reel/Frame 042521/0083 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Sep 21, 2016
From: HOOD, DAVID K.
To: ISP INVESTMENTS INC.
Reel/Frame 039816/0940 →
RELEASE OF PATENT SECURITY AGREEMENT
Recorded Mar 18, 2013
From: THE BANK OF NOVA SCOTIA
To: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC; AQUALON COMPANY; ISP INVESTMENTS INC.; HERCULES INCORPORATED
Reel/Frame 030025/0320 →
SECURITY AGREEMENT
Recorded Oct 17, 2011
From: HERCULES INCORPORATED; ISP INVESTMENTS INC.
To: THE BANK OF NOVA SCOTIA
Reel/Frame 027074/0660 →
Continuity (2)
Provisional Application
61164120
· Mar 27, 2009