US3086010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbamide esters of sugars
Assignee: Bayer AG
•
Filing: 1958-07-24
•
Granted: 1963-04-16
•
Expires: 1978-07-24
Abstract
No abstract record available.
Inventors
- 👤 Matthaeus Georg
- 👤 Quaedvlieg Mathieu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:44
CPC Classifications
C; C07; C07H; C07H13/00; C07H13/12; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
SURFACE-ACTIVE ESTERS OF THE FORMULA
Claim 2
Dependent Claim
5 words
SURFACE-ACTIVE ESTERS OF THE FORMULA
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |