Patent US2347552A successfully refreshed from Google Patents.
Patent US3847986A successfully refreshed from Google Patents.
US3847986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted phenylthioamidines
Assignee: Dow Chemical Co
•
Filing: 1973-09-27
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Granted: 1974-11-12
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Expires: 1993-09-27
Abstract
Abstract 1. A SUBSTITUTED PHENYLTHIO AMIDINE COMPOUND OF THE FORMULA: R-(1,4-PHENYLENE)-S-CH2-C(-NH)=N-OH WHEREIN R REPRESENTS HALO OR A SALT THEREOF WITH A PHARMACEUTICALLY ACCEPTABLE ACID.
Inventors
- 👤 E Bockstahler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:11
CPC Classifications
C; C07; C07C; C07C259/00; C07C259/12; C07C259/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A SUBSTITUTED PHENYLTHIO AMIDINE COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
8 words
A SUBSTITUTED PHENYLTHIO AMIDINE COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |