US3081323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fungicides and their production
Assignee: Hoechst AG Werk Kalle Albert
•
Filing: 1959-10-09
•
Granted: 1963-03-12
•
Expires: 1979-10-09
Abstract
No abstract record available.
Inventors
- 👤 Greth Arthur
- 👤 Reese Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:41
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
PROCESS FOR PRODUCING HEAVY METAL SALTS OF BETAAMINOETHYL DITHIOCARBAMIC ACID, WHICH COMPRISES VIGOROUS MIXING WITH AN AQUEOUS SOLUTION OF (A) ETHYLENE DIAMINE, (B) CARBON DISULFIDE AND (C) A HEAVY METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF ZINC OXIDE, MANGANOUS OXIDE AND A MIXTURE OF ZINC OXIDE AND MANGANOUS OXIDE THEREBY DIRECTLY REACTING (A), (B) AND (C) IN SAID AQUEOUS SOLUTION TO FROM THE RESPECTIVE CORRESPONDING HEAVY METAL SALTS OF BETA-AMINOETHYL DITHIOCARBAMIC ACID; THE CARBON DISULFIDE AND SAID HEAVY METAL OXIDE BEING INTRODUCED RESPECTIVELY IN MOLAR PROPORTIONS WITH RESPECT TO THE ETHYLENE DIAMINE BETWEEN 0.9 AND 2 AND BETWEEN 0.5 AND 1.5.
Claim 2
Dependent Claim
102 words
PROCESS FOR PRODUCING HEAVY METAL SALTS OF BETAAMINOETHYL DITHIOCARBAMIC ACID, WHICH COMPRISES VIGOROUS MIXING WITH AN AQUEOUS SOLUTION OF (A) ETHYLENE DIAMINE, (B) CARBON DISULFIDE AND (C) A HEAVY METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF ZINC OXIDE, MANGANOUS OXIDE AND A MIXTURE OF ZINC OXIDE AND MANGANOUS OXIDE THEREBY DIRECTLY REACTING (A), (B) AND (C) IN SAID AQUEOUS SOLUTION TO FROM THE RESPECTIVE CORRESPONDING HEAVY METAL SALTS OF BETA-AMINOETHYL DITHIOCARBAMIC ACID; THE CARBON DISULFIDE AND SAID HEAVY METAL OXIDE BEING INTRODUCED RESPECTIVELY IN MOLAR PROPORTIONS WITH RESPECT TO THE ETHYLENE DIAMINE BETWEEN 0.9 AND 2 AND BETWEEN 0.5 AND 1.5.
References Cited (Backward Citations)
GB190900174A
Cited
US2356764A
Cited
US2406960A
Cited
US2545948A
Cited
US2693485A
Cited
US2855418A
Cited
GB795142A
Cited
US2792327A
Cited
US2797181A
Cited
US2882291A
Cited
US2895980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |