Patent US4090885A successfully refreshed from Google Patents.
US4090885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methyl 1,1,3,3-tetramethyl-butyl ether
Assignee: Sunoco Inc R&M
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Filing: 1977-05-27
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Granted: 1978-05-23
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Expires: 1997-05-27
Abstract
Abstract The compound methyl 1,1,3,3-tetramethylbutyl ether having the formula ##STR1##
Inventors
- 👤 James Edward Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:52
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1852; C08; C08F; C08F14/00; C08F14/02; C08F14/04; C08F14/06; C09; C09D; C09D7/00; C09D7/40; C09D7/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A composition comprising a latex base paint and, as an anti-foam and surface smoothing agent therefor, an effective amount of methyl 1,1,3,3-tetramethyl-butyl ether.
Claim 2
Dependent Claim
23 words
A composition comprising a latex base paint and, as an anti-foam and surface smoothing agent therefor, an effective amount of methyl 1,1,3,3-tetramethyl-butyl ether.
References Cited (Backward Citations)
US2956971A
Cited
US3119766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-22 | 1981-11-21 | 1982-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-22 | 1985-11-21 | 1986-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-22 | 1989-11-21 | 1990-05-23 | $7700.00 | Window Closed / Lapsed |