US4603161A
Expired / Lapsed
US
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Selected oxyalkylated 2,6-dialkylphenol compounds and their use as stabilizers of organic materials against oxidative degradation
Assignee: Deutsche Bank AG New York Branch
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Filing: 1985-06-14
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Granted: 1986-07-29
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Expires: 2005-06-14
Abstract
Abstract Disclosed are bis(4-oxyalkylated-2,6-dialkylphenol) adducts of ethylenediaminetetraacetic acid having the formula: ##STR1## wherein each R is a 2,6-dialkyl moiety having the formula: ##STR2## wherein each R 1 is selected from the group consisting of branched alkyl groups having from about 4 to about 8 carbon atoms and R 2 is selected from the group consisting of hydrogen, a methyl group and ethyl group. These compounds are useful as stabilizers in organic materials against oxidative degradation.
Inventors
- 👤 Steven D. Phillips
- 👤 Bonnie B. Sandel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:29
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/175
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
84 words
An oxidation-inhibited organic material comprising an organic material normally subject to oxidative degradation containing an effective stabilizing amount against oxidative degradation of a bis(4-oxyalkylated-2,6-dialkylphenol) adduct of ethylenediaminetetraacetic acid having the formula: ##STR7## wherein each R is a 2,6-dialkylphenol moiety having the formula: ##STR8## wherein each R 1 is selected from the group consisting of branched alkyl groups having from about 4 to about 8 carbon atoms and R 2 is selected from the group consisting of hydrogen, a methyl group and an ethyl group.
Claim 2
Dependent Claim
84 words
An oxidation-inhibited organic material comprising an organic material normally subject to oxidative degradation containing an effective stabilizing amount against oxidative degradation of a bis(4-oxyalkylated-2,6-dialkylphenol) adduct of ethylenediaminetetraacetic acid having the formula: ##STR7## wherein each R is a 2,6-dialkylphenol moiety having the formula: ##STR8## wherein each R 1 is selected from the group consisting of branched alkyl groups having from about 4 to about 8 carbon atoms and R 2 is selected from the group consisting of hydrogen, a methyl group and an ethyl group.
Claim 3
Dependent Claim
14 words
The oxidation-inhibited organic material of claim 1 wherein said organic material is a polyolefin.
Claim 4
Dependent Claim
13 words
The oxidation-inhibited polyolefin of claim 1 wherein said polyolefin is an α-olefin polymer.
Claim 5
Dependent Claim
15 words
The oxidation-inhibited α-olefin polymer of claim 3 wherein said α-olefin polymer is polypropylene or polyethylene.
Claim 6
Dependent Claim
17 words
The oxidation-inhibited organic material of claim 1 wherein R 1 is tert-butyl and R 2 is methyl.
Claim 7
Dependent Claim
28 words
The oxidation-inhibited organic material of claim 1 wherein said effective stabilizing amount against oxidative degradation is from about 0.001% to about 10% by weight of said organic material.
Claim 8
Independent Claim
86 words
A method for inhibiting the oxidation of organic material which comprises adding to said organic material an effective stabilizing amount against oxidative degradation of a bis(4-oxyalkylated-2,6-dialkylphenol) adduct of ethylenediaminetetraacetic acid having the formula: ##STR9## wherein each R is a 2,6-dialkyl moiety having the formula: ##STR10## wherein each R 1 is selected from the group consisting of branched alkyl groups having from about 4 to about 8 carbon atoms and R 2 is selected from the group consisting of hydrogen, a methyl group and an ethyl group.
Claim 9
Independent Claim
86 words
A method for inhibiting the oxidation of organic material which comprises adding to said organic material an effective stabilizing amount against oxidative degradation of a bis(4-oxyalkylated-2,6-dialkylphenol) adduct of ethylenediaminetetraacetic acid having the formula: ##STR9## wherein each R is a 2,6-dialkyl moiety having the formula: ##STR10## wherein each R 1 is selected from the group consisting of branched alkyl groups having from about 4 to about 8 carbon atoms and R 2 is selected from the group consisting of hydrogen, a methyl group and an ethyl group.
Claim 10
Dependent Claim
13 words
The method of claim 7 wherein each R 1 is a tert-butyl group.
Claim 11
Dependent Claim
12 words
The method of claim 7 wherein R 2 is a methyl group.
Claim 12
Dependent Claim
26 words
The method of claim 7 wherein said effective stabilizing amount against oxidative degradation is from about 0.001% to about 10% by weight of said organic material.
Claim 13
Dependent Claim
26 words
The method of claim 10 wherein said effective stabilizing amount against oxidative degradation is from about 0.005% to about 5% by weight of said organic material.
Claim 14
Dependent Claim
58 words
A compound for the formula: ##STR11## wherein each R is a 2,6-dialkyl moiety having the formula: ##STR12## wherein each R 1 is selected from the group consisting of branched alkyl groups having from about 4 to about 8 carbon atoms and R 2 is selected from the group consisting of hydrogen, a methyl group and an ethyl group.
Claim 15
Dependent Claim
58 words
A compound for the formula: ##STR11## wherein each R is a 2,6-dialkyl moiety having the formula: ##STR12## wherein each R 1 is selected from the group consisting of branched alkyl groups having from about 4 to about 8 carbon atoms and R 2 is selected from the group consisting of hydrogen, a methyl group and an ethyl group.
Claim 16
Dependent Claim
13 words
The compound of claim 12 wherein each R 1 is a tert-butyl group.
Claim 17
Dependent Claim
12 words
The compound of claim 12 wherein R 2 is a methyl group.
Claim 18
Dependent Claim
21 words
The compound of claim 12 wherein each R 1 is a tert-butyl group and each R 2 is a methyl group.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1989-07-28 | 1990-01-27 | 1990-07-29 | $2000.00 | Window Closed / Lapsed |
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