IP Library › Granted Patent US 9,914,829
Granted Patent B2
US 9,914,829 · App. 13/132,022 · Granted Mar 13, 2018

Crosslinked polyvinylpyrrolidone compositions

Inventors: Andrew Mola (Highland Lakes, NJ); Mustafa Rehmanji (Riverdale, NJ); Mika Jan Unting (Cologne, DE)
Assignee: ISP INVESTMENTS LLC
C08L39/06C08J3/12C12H1/0424C08J2339/06C08L2312/00
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Quick Facts
Patent No.
US 9,914,829
App. No.
13/132,022
Granted
Mar 13, 2018
Kind
B2
Abstract

Low-dusting, granular compositions are provided that comprise at least 15% by weight crosslinked polyvinylpyrrolidone.

Claims (7)

1. A granular composition comprising at least 15% (w/w) crosslinked polyvinylpyrrolidone (PVPP), an absorbent, and wherein particles 100 μm and smaller make up 10% (w/w) or less of said composition.

2. The composition of claim 1 wherein particles 100 μm and smaller make up 5% (w/w) or less of said composition.

3. The composition of claim 1 possessing 80% or more of the polyphenol absorptivity compared to ungranulated feedstock.

4. The composition of claim 1 wherein said absorbent is used in the preparation of beverages.

5. The composition of claim 4 wherein said ingredient is selected from the group consisting of: activated carbons, bentonite clays, carrageenans, diatomaceous earths, cellulose fibers, polysaccharides, silicas, and blends thereof.

6. The composition of claim 5 that essentially comprises: PVPP, cellulose fiber, and sodium bentonite.

7. The composition of claim 5 that essentially comprises: PVPP and cellulose fiber.

Assignments (6)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2021
From: MOLA, ANDREW
To: LLC, ASHLAND
Reel/Frame 055065/0846 →
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 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 2, 2018
From: MOLA, ANDREW
To: ISP INVESTMENTS LLC
Reel/Frame 044819/0131 →
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 →
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 Sep 16, 2011
From: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC; HERCULES INCORPORATED; AQUALON COMPANY; ISP INVESTMENT INC.
To: THE BANK OF NOVA SCOTIA, AS ADMINISTRATIVE AGENT
Reel/Frame 026918/0052 →
Continuity (2)
Provisional Application 61119463 · Dec 3, 2008
Related Publication 20110281732A1 · Nov 17, 2011