US3000905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of hydroxymethyl-dimethyl-meta-dioxanes
Assignee: Atlantic Richfield Co
•
Filing: 1959-01-02
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Granted: 1961-09-19
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Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Edward S Wheeler
- 👤 Norbert H Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:57
CPC Classifications
C; C07; C07D; C07D319/00; C07D319/04; C07D319/06; B; B01; B01J; B01J31/00; B01J31/02; B01J31/06; B01J31/08; B01J31/10; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/324; B01J2231/328
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A METHOD FOR PRODUCING HYDROXYMETHYL-DIMETHYLMETA-DIOXANES OF THE FORMULA
Claim 2
Independent Claim
8 words
A METHOD FOR PRODUCING HYDROXYMETHYL-DIMETHYLMETA-DIOXANES OF THE FORMULA
References Cited (Backward Citations)
US2504732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |