US2702302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amine salts of bis (2-hydroxy-3-bromo-5-chlorophenyl) sulfide
Assignee: Rohm and Haas Co
•
Filing: 1954-05-25
•
Granted: 1955-02-15
•
Expires: 1974-05-25
Abstract
No abstract record available.
Inventors
- 👤 Richard S Cook
- 👤 W E Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:18
CPC Classifications
C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
SALTS OF BIS(2-HYDROXY-3-BROMO-5-CHLOROPHENYL)SULFIDE AND AMINES OF THE STRUCTURE RNNH3-N, WHERE R IS A MEMBER OF THE CLASS CONSISTING OF THE METHYL, HYDROXYETHYL, AND TERT-BUTYL GROUP AND N IS AN INTEGER FROM ONE TO THREE WHEN R IS METHYL OR HYDROXYETHYL AND N HAS A VALUE OF ONE WHEN R IS TERT-BUTYL, THE MOLE RATIO OF AMINE TO SAID SULFIDE BEING 1:1.
Claim 2
Dependent Claim
61 words
SALTS OF BIS(2-HYDROXY-3-BROMO-5-CHLOROPHENYL)SULFIDE AND AMINES OF THE STRUCTURE RNNH3-N, WHERE R IS A MEMBER OF THE CLASS CONSISTING OF THE METHYL, HYDROXYETHYL, AND TERT-BUTYL GROUP AND N IS AN INTEGER FROM ONE TO THREE WHEN R IS METHYL OR HYDROXYETHYL AND N HAS A VALUE OF ONE WHEN R IS TERT-BUTYL, THE MOLE RATIO OF AMINE TO SAID SULFIDE BEING 1:1.
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) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |