US3849458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for deuterating organic compounds
Assignee: Incentive Research and Development AB
•
Filing: 1968-09-16
•
Granted: 1974-11-19
•
Expires: 1988-09-16
Abstract
Abstract 1. IN THE METHOD OF DUTERATING AN ORGANIC COMPOUND CONTAINING HYDROGEN ATOMS REPLACEABLE BY DEUTERIUM WHEREIN SAID COMPOUND IS REACTED WITH HEAVY WATER AS A DEUTERIUM SOURCE IN THE PRESENCE OF ALKALI METAL DEUTEROXIDE AND A DEUTERIUM REDUCED ADAMS CATALYST (PTO2H2O), THE IMPROVEMENT WHICH CONSISTS IN CARRYING OUT THE DEUTERATING REACTION IN THE PRESENCE OF DEUTERIUM PEROXIDE.
Inventors
- 👤 Nguyen N Dinh
- 👤 E Stenhagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/04; C07B; C07B59/00; C07B59/001; C07B2200/00; C07B2200/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
IN THE METHOD OF DUTERATING AN ORGANIC COMPOUND CONTAINING HYDROGEN ATOMS REPLACEABLE BY DEUTERIUM WHEREIN SAID COMPOUND IS REACTED WITH HEAVY WATER AS A DEUTERIUM SOURCE IN THE PRESENCE OF ALKALI METAL DEUTEROXIDE AND A DEUTERIUM REDUCED ADAMS CATALYST
Claim 2
Dependent Claim
39 words
IN THE METHOD OF DUTERATING AN ORGANIC COMPOUND CONTAINING HYDROGEN ATOMS REPLACEABLE BY DEUTERIUM WHEREIN SAID COMPOUND IS REACTED WITH HEAVY WATER AS A DEUTERIUM SOURCE IN THE PRESENCE OF ALKALI METAL DEUTEROXIDE AND A DEUTERIUM REDUCED ADAMS CATALYST
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |