US4277366A
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US
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Poly(alkylene oxide) composition
Assignee: Union Carbide Corp
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Filing: 1979-09-26
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Granted: 1981-07-07
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Expires: 1999-09-26
Abstract
Abstract Poly(alkylene oxide) compositions are provided which exhibit excellent resistance to oxidative degradation and inhibit the corrosion of ferrous metals, which compositions have incorporated therein an effective amount of a mononuclear aromatic compound having at least one substituent nitro group.
Inventors
- 👤 Blake F. Mago
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:34
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/147; C08; C08K; C08K5/00; C08K5/16; C08K5/32; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/107; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/20; C10M2215/202; C10M2219/00; C10M2219/04; C10M2219/042; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/08; C10N2040/20; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
22 words
A poly(alkylene oxide) composition having incorporated therein an effective amount of a mononuclear aromatic compound having at least one substituent nitro group.
Claim 2
Dependent Claim
22 words
A poly(alkylene oxide) composition having incorporated therein an effective amount of a mononuclear aromatic compound having at least one substituent nitro group.
Claim 3
Dependent Claim
13 words
An aqueous composition comprising said poly(alkylene oxide) composition of claim 1 and water.
Claim 4
Dependent Claim
18 words
The composition as claimed in claim 1 wherein said mononuclear aromatic compound is a nitro substituted aromatic acid.
Claim 5
Dependent Claim
20 words
The composition of claim 3 wherein said composition has incorporated therein the sodium salt of said nitro substituted aromatic acid.
Claim 6
Dependent Claim
24 words
The composition as claimed in claim 1 wherein said nitroaromatic compound is a nitroaromatic salt or ester that in situ forms an acid ion.
Claim 7
Dependent Claim
27 words
The composition of claim 1 wherein said nitroaromatic compound is selected from the group consisting of nitrobenzoic acid, 4-nitrophthalic acid, 5-nitroisophthalic acid, 3,5-dinitrobenzoic acid, and salts thereof.
Claim 8
Dependent Claim
22 words
The composition of claim 1 wherein said poly(alkylene oxide) is characterized by the presence of both oxyethylene groups and higher oxyalkylene groups.
Claim 9
Dependent Claim
19 words
The composition of claim 2 containing at least about 15 millimoles of said nitroaromatic compound per liter of composition.
Claim 10
Dependent Claim
20 words
The composition of claim 2 which contains from about 0.1 percent to about 50 percent by weight of poly(alkylene oxide).
Claim 11
Dependent Claim
31 words
The composition of claim 2 wherein said nitroaromatic compound is selected from the group consisting of nitrosubstituted aromatic acids and nitroaromatic salts or esters that in situ forms an acid ion.
References Cited (Backward Citations)
US4018703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-07-06 | 1985-01-05 | 1985-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-06 | 1989-01-05 | 1989-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-06 | 1993-01-05 | 1993-07-07 | $7700.00 | Window Closed / Lapsed |