Patent EP0208499A1 successfully refreshed from Google Patents.
Patent US3340227A successfully refreshed from Google Patents.
US3340227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized polyamide compositions containing a copper compound and a lead compound
Assignee: Viscosuisse SA
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Filing: 1965-07-01
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Granted: 1967-09-05
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Expires: 1985-07-01
Abstract
No abstract record available.
Inventors
- 👤 Krieger Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K3/00; C08K3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A POLYAMIDE COMPOSITION WHICH IS STABILIZED AGAINST DEGRADATION BY HEAT AND LIGHT COMPRISING A POLYAMIDE HAVING RECURRING CARBONAMIDE GROUPS IN THE MAIN POLYMER CHAIN SEPARATED BY HYDROCARBON GROUPS CONTAINING AT LEAST TWO CARBON ATOMS, AND FROM 20 TO 1000 PARTS BY WEIGHT OF COPPER DERIVED FROM THE GROUP CONSISTING OF ELEMENTAL COPPER, CUPROUS OXIDE, CUPRIC OXIDE, CUPROUS CHLORIDE, CUPRIC CHLORIDE, CUPROUS BROMIDE, CUPRIC BROMIDE, CUPROUS IODIDE, CUPRIC IODIDE, CUPROUS BORATE, CUPRIC BORATE, CUPROUS PHOSPHATE, CUPRIC PHOSPHATE, CUPROUS ACETATE, CUPRIC ACETATE, CUPROUS OXALATE, CUPRIC OXALATE, CUPROUS BUTYRATE, CUPRIC BUTYRATE, CUPROUS LACTATE, CUPRIC LACTATE, CUPROUS STEARATE, CUPRIC STEARATE, CUPROUS BENZOATE, CUPRIC BENZOATE, CUPROUS SALICYLATE, CUPRIC SALICYLATE, CUPROUS PHTHALATE, CUPRIC PHTHALATE, CUPROUS NAPHTHENATE, AND CUPRIC NAPHTHENATE, AND BETWEEN 20 AND 1000 PARTS BY WEIGHT OF LEAD DERIVED FROM THE GROUP CONSISTING OF LEAD (II) CHLORIDE, LEAD (II) BROMIDE, LEAD (II) SULFATE, LEAD (II) PHOSPHATE, LEAD (II) BORATE, LEAD (II) CARBONATE, LEAD (II) FORMATE, LEAD (II) ACETATE, LEAD (II) OXALATE, LEAD (II) CITRATE, LEAD (II) LAURATE, AND LEAD (II) STEARATE, PER MILLION PARTS BY WEIGHT OF THE POLYAMIDE.
Claim 2
Dependent Claim
174 words
A POLYAMIDE COMPOSITION WHICH IS STABILIZED AGAINST DEGRADATION BY HEAT AND LIGHT COMPRISING A POLYAMIDE HAVING RECURRING CARBONAMIDE GROUPS IN THE MAIN POLYMER CHAIN SEPARATED BY HYDROCARBON GROUPS CONTAINING AT LEAST TWO CARBON ATOMS, AND FROM 20 TO 1000 PARTS BY WEIGHT OF COPPER DERIVED FROM THE GROUP CONSISTING OF ELEMENTAL COPPER, CUPROUS OXIDE, CUPRIC OXIDE, CUPROUS CHLORIDE, CUPRIC CHLORIDE, CUPROUS BROMIDE, CUPRIC BROMIDE, CUPROUS IODIDE, CUPRIC IODIDE, CUPROUS BORATE, CUPRIC BORATE, CUPROUS PHOSPHATE, CUPRIC PHOSPHATE, CUPROUS ACETATE, CUPRIC ACETATE, CUPROUS OXALATE, CUPRIC OXALATE, CUPROUS BUTYRATE, CUPRIC BUTYRATE, CUPROUS LACTATE, CUPRIC LACTATE, CUPROUS STEARATE, CUPRIC STEARATE, CUPROUS BENZOATE, CUPRIC BENZOATE, CUPROUS SALICYLATE, CUPRIC SALICYLATE, CUPROUS PHTHALATE, CUPRIC PHTHALATE, CUPROUS NAPHTHENATE, AND CUPRIC NAPHTHENATE, AND BETWEEN 20 AND 1000 PARTS BY WEIGHT OF LEAD DERIVED FROM THE GROUP CONSISTING OF LEAD (II) CHLORIDE, LEAD (II) BROMIDE, LEAD (II) SULFATE, LEAD (II) PHOSPHATE, LEAD (II) BORATE, LEAD (II) CARBONATE, LEAD (II) FORMATE, LEAD (II) ACETATE, LEAD (II) OXALATE, LEAD (II) CITRATE, LEAD (II) LAURATE, AND LEAD (II) STEARATE, PER MILLION PARTS BY WEIGHT OF THE POLYAMIDE.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |