US3280044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal salts of epichlorohydrin-piperazine-amine polycondensates
Assignee: Montedison SpA
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Filing: 1963-01-30
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Granted: 1966-10-18
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Bonvicini Alberto
- 👤 Ildos Ennio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:04
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0206; C08G73/0213; C08G73/022; C08G73/0273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
INORGANIC DERIVATIVES OF NITROGEN POLYCONDENATES, WHICH POLYCONDENSATES ARE OBTAINED BY REACTING EPICHLOROHYDRIN AND PIPERAZINE WITH AN AMINE SELECTED FROM THE GROUP CONSISTING OF OCTADECYLAMINE AND DODECYLAMINE, SAID DERIVATIVES BEING THE REACTION PRODUCTS OF SAID POLYCONDENSATES WITH A METAL SALT SELECTED FROM THE GROUP CONSISTING OF THE HALIDES, NITRATES, SULPHATES AND ACETATE OF COPPER, ALUMINUM, IRON, CERIUM, TIN MANGANESE, MERCURY, TITANIUM, ZINC, COBALT, LEAD, THORIUM, CADMIUM, NICKEL, MAGNESIUM, CALCIUM, BISMUTH AND BERYLLIUM, AT A TEMPERATURE OF FROM 20*-120*C., IN A RATIO OF FROM 0.01 TO 1.0 MOLE OF METAL SALT PER NITROGEN ATOM OF SAID POLYCONDENSATE.
Claim 2
Dependent Claim
95 words
INORGANIC DERIVATIVES OF NITROGEN POLYCONDENATES, WHICH POLYCONDENSATES ARE OBTAINED BY REACTING EPICHLOROHYDRIN AND PIPERAZINE WITH AN AMINE SELECTED FROM THE GROUP CONSISTING OF OCTADECYLAMINE AND DODECYLAMINE, SAID DERIVATIVES BEING THE REACTION PRODUCTS OF SAID POLYCONDENSATES WITH A METAL SALT SELECTED FROM THE GROUP CONSISTING OF THE HALIDES, NITRATES, SULPHATES AND ACETATE OF COPPER, ALUMINUM, IRON, CERIUM, TIN MANGANESE, MERCURY, TITANIUM, ZINC, COBALT, LEAD, THORIUM, CADMIUM, NICKEL, MAGNESIUM, CALCIUM, BISMUTH AND BERYLLIUM, AT A TEMPERATURE OF FROM 20*-120*C., IN A RATIO OF FROM 0.01 TO 1.0 MOLE OF METAL SALT PER NITROGEN ATOM OF SAID POLYCONDENSATE.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |