US2955115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long-chain fatty acid esters of vitamin b6
Assignee: Individual
•
Filing: 1955-06-13
•
Granted: 1960-10-04
•
Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 Fred A Kummerow
- 👤 Sakuragi Taketami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:47
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/65; C07D213/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A LONG CHAIN FATTY ACID ESTER OF VITAMIN B6 WHEREIN THE FATTY ACID GROUP IS DERIVED FROM A CARBOXYLIC ACID CONTAINING FROM EIGHT TO TWENTY CARBON ATOMS.
Claim 2
Dependent Claim
27 words
A LONG CHAIN FATTY ACID ESTER OF VITAMIN B6 WHEREIN THE FATTY ACID GROUP IS DERIVED FROM A CARBOXYLIC ACID CONTAINING FROM EIGHT TO TWENTY CARBON ATOMS.
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) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |