US3272845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bisglycidyl ethers of isohexides
Assignee: Zeneca Inc
•
Filing: 1963-03-21
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Granted: 1966-09-13
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Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 John D Zech
- 👤 Maistre John W Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:58
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/04; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/26; D; D06; D06M; D06M13/00; D06M13/10; D06M13/11; D06M15/00; D06M15/19; D06M15/37; D06M15/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
ISOSORBIDE BISGLYCIDYL ETHER.
Claim 2
Dependent Claim
3 words
ISOSORBIDE BISGLYCIDYL ETHER.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |