IP Library Granted Patent US 7,375,152
Granted Patent B2
US 7,375,152 · App. 11/153,289 · Granted May 20, 2008

Non-stick coating and method of forming same

Assignee: Akzo Nobel Non-Stick Coatings
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Quick Facts
Patent No.
US 7,375,152
App. No.
11/153,289
Granted
May 20, 2008
Kind
B2
Abstract

Non-stick coatings for use on a flexible substrate include a fluoropolymer, an acrylic polymer, and a polyol and/or diol. The ratio of acrylic polymer to polyol and/or diol is between about 90:10 and about 10:90 by weight, preferably about 50:50. The ratio of acrylic polymer and polyol or diol to fluoropolymer is preferably about 100:60 by weight.

Claims (17)

1. A non-stick coating formulation comprising:

a. an acrylic polymer,

b. an alcohol selected from the group consisting of a diol, a polyol, and mixtures thereof, and

c. a fluoropolymer, and

d. a cross-linking agent for cross-linking the acrylic polymer with the alcohol; wherein the alcohol comprises a polyurethane polyol.

2. A non-stick coating formulation comprising:

a. an acrylic polymer,

b. an alcohol selected from the group consisting of a diol, a polyol, and mixtures thereof, and

c. a fluoropolymer,

d. a cross-linking agent for cross-linking the acrylic polymer with the alcohol, and

e. a polyether modified dimethylpolysiloxane copolymer.

3. A non-stick coating formulation comprising:

a. an acrylic polymer,

b. an alcohol selected from the group consisting of a diol, a polyol, and mixtures thereof, and

c. a fluoropolymer, and

d. a cross-linking agent for cross-linking the acrylic polymer with the alcohol, and

e. a blocked acid catalyst.

Assignments (5)
RELEASE OF SECURITY INTEREST Recorded Mar 29, 2019
From: WHITFORD WORLDWIDE COMPANY
To: WHITFORD WORLDWIDE COMPANY
Reel/Frame 048735/0918 →
RELEASE OF SECURITY INTEREST Recorded Mar 25, 2019
From: PNC BANK, NATIONAL ASSOCIATION
To: WHITFORD WORLDWIDE COMPANY, LLC
Reel/Frame 048688/0169 →
AMENDED AND RESTATED RIDER TO SECURITY AGREEMENT Recorded May 7, 2012
From: WHITFORD WORLDWIDE COMPANY
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 028169/0769 →
SECURITY AGREEMENT Recorded Mar 2, 2010
From: WHITFORD WORLDWIDE COMPANY
To: PNC BANK NATIONAL ASSOCIATION
Reel/Frame 024006/0707 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 8, 2009
From: AKZO NOBEL COATINGS INTERNATIONAL B.V. AND/OR ITS AFFILIATES
To: WHITFORD WORLDWIDE COMPANY
Reel/Frame 022928/0014 →
Continuity (4)
Division 1072779100 · Dec 3, 2003
Provisional Application 6043045500 · Dec 3, 2002
Provisional Application 6047022700 · May 13, 2003
Related Publication 20050233152A1 · Oct 20, 2005