US2617818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiocyanoalkyl carbanilates
Assignee: Monsanto Chemicals Ltd
•
Filing: 1949-10-25
•
Granted: 1952-11-11
•
Expires: 1969-10-25
Abstract
No abstract record available.
Inventors
- 👤 David T Mowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:00
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
A NEW CLASS COMPOUNDS HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
9 words
A NEW CLASS COMPOUNDS HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 3
Independent Claim
38 words
A METHOD OF PREPARING THIOCYANOALKYL CARBANILATES, WHICH COMPRISES CONTACING B-HALOALKYL CARBANILATE AND A THIOCYANATE OF THE CLASS CONSISTING OF ALKALI METAL AND AMMONIUM THIOCYANATES IN A NON-AQUEOUS SOLVENT, SEPARATING THE HALIDE SALT PRECIPITATED, AND RECOVERING THE THIOCYANOALKYL CARBANILATE.
Claim 4
Independent Claim
38 words
A METHOD OF PREPARING THIOCYANOALKYL CARBANILATES, WHICH COMPRISES CONTACING B-HALOALKYL CARBANILATE AND A THIOCYANATE OF THE CLASS CONSISTING OF ALKALI METAL AND AMMONIUM THIOCYANATES IN A NON-AQUEOUS SOLVENT, SEPARATING THE HALIDE SALT PRECIPITATED, AND RECOVERING THE THIOCYANOALKYL CARBANILATE.
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) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |