US3158635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis-adduction products and methods of preparing same
Assignee: Stauffer Chemical Co
•
Filing: 1959-03-18
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Granted: 1964-11-24
•
Expires: 1979-03-18
Abstract
No abstract record available.
Inventors
- 👤 Kezerian Charles
- 👤 William M Ramsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:09
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D207/24; C07D207/26; C07D207/273; C07D207/277; B; B03; B03D; B03D1/00; B03D1/001; B03D1/004; B03D1/01; C07C; C07C209/00; C07C209/60; C08; C08L; C08L75/00; C08L75/02; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/061; C23G1/14; C23G1/22; C23G1/24; Y; Y10; Y10S; Y10S71/00; Y10S71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF: (A) A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF: (A) A COMPOUND 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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |