IP Library Granted Patent US 8,048,951
Granted Patent B2
US 8,048,951 · App. 12/356,355 · Granted Nov 1, 2011

Natural rubber latex having reduced allergenicity and method of making

Assignee: Vystar Corporation
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Quick Facts
Patent No.
US 8,048,951
App. No.
12/356,355
Granted
Nov 1, 2011
Kind
B2
Abstract

A rubber latex composition is disclosed having reduced allergenicity. Methods for producing a rubber latex composition having reduced allergenicity are also disclosed.

Claims (6)

1. A method of treating a liquid natural rubber latex comprising:

contacting an un-vulcanized untreated liquid natural rubber latex with at least about 0.01 phr aluminum hydroxide and a surfactant to complex at least a portion of proteins, lipids and lutoids contained within the untreated liquid natural rubber latex with the aluminum hydroxide;

removing the proteins, lipids and lutoids complexed with aluminum hydroxide; and

forming a treated liquid natural rubber latex composition having less than 10 μg of antigenic protein per gram of composition and having improved optical properties as compared to the untreated liquid natural rubber latex due to the removing of the proteins, lipids and lutoids complexed with aluminum hydroxide.

2. The method of claim 1 , further comprising producing an article from the treated liquid natural rubber latex composition after removing the aluminum hydroxide.

3. The method of claim 2 , wherein the article is one or more of an adhesive, a condom, glove, breather bag, probe cover, catheter, thread, balloon, or foam.

Assignments (5)
SECURITY INTEREST Recorded Dec 5, 2019
From: VYSTAR CORPORATION
To: FIDELITY CO-OPERATIVE BANK
Reel/Frame 051191/0266 →
RELEASE OF SECURITY INTEREST Recorded Jul 21, 2011
From: TOPPING LIFT CAPTIAL LLC
To: VYSTAR CORPORATION
Reel/Frame 026628/0995 →
SECURITY AGREEMENT Recorded Mar 18, 2011
From: VYSTAR CORPORATION
To: TOPPING LIFT CAPTIAL LLC
Reel/Frame 025980/0838 →
SECURITY AGREEMENT Recorded Mar 18, 2011
From: VYSTAR CORPORATION
To: TOPPING LIFT CAPITAL LLC
Reel/Frame 025980/0859 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 2, 2009
From: DOYLE, WILLIAM; CLARK, MATTHEW; HONEYCUTT, TRAVIS
To: VYSTAR CORPORATION
Reel/Frame 023183/0515 →
Continuity (3)
Provisional Application 61022250 · Jan 18, 2008
Provisional Application 61081927 · Jul 18, 2008
Related Publication 20090192244A1 · Jul 30, 2009