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Patent US2702289A successfully refreshed from Google Patents.
US2702289A
Expired / Lapsed
US
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Urea adducts of straight-chain 1-haloalkanes
Assignee: Standard Oil Co
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Filing: 1947-12-27
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Granted: 1955-02-15
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Expires: 1967-12-27
Abstract
No abstract record available.
Inventors
- 👤 Norman J Bowman
- 👤 Robert A Dinerstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:40
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
A PROCESS WHICH COMPRISES CONTACTING UREA WITH A STRAIGHT-CHAIN 1-HALOALKANE HAVING AT LEAST SIX CARBON ATOMS IN THE MOLECULE, AND SEPARATING FROM THE RESULTING REACTION MIXTURE A SOLID ADDUCT OF UREA AND SAID STRAIGHTCHAIN 1-HALOALKANE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |