US3154513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamides with improved flow properties
Assignee: BASF SE
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Filing: 1959-11-17
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Granted: 1964-10-27
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Expires: 1979-11-17
Abstract
No abstract record available.
Inventors
- 👤 Illing Gerhard
- 👤 Hanusch Fritz
- 👤 Hagen Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:57
CPC Classifications
C; C08; C08L; C08L77/00; C08L77/06; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/11; C08L77/02; C08L77/12; C08L2205/00; C08L2205/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COMPOSITION COMPRISING AS THE MAJOR, ESSENTIAL COMPONENT THEREOF A SYNTHETIC, LINEAR POLYAMIDE FROM THE GROUP CONSISTING OF A SATURATED ALIPHATIC ACID AND SATURATED ALIPHATIC DIAMINE POLYCONDENSED TOGETHER INTO A LINEAR POLYAMIDE AND A LACTAM POLYCONDENSED INTO A LINEAR POLYAMIDE, AND 0.05% TO 1% BY WEIGHT, BASED ON SAID POLYAMIDE, OF THE DIESTER OF A SATURATED, ALIPHATIC DICARBOXYLIC ACID HAVING 4-18 CARBONS AND A SATURATED, ALIPHATIC MONOHYDRIC ALCOHOL HAVING 4-12 CARBONS WITH THE FURTHER PROVISO THAT SAID DIESTER HAS A TOTAL OF 18-42 CARBONS.
Claim 2
Dependent Claim
84 words
A COMPOSITION COMPRISING AS THE MAJOR, ESSENTIAL COMPONENT THEREOF A SYNTHETIC, LINEAR POLYAMIDE FROM THE GROUP CONSISTING OF A SATURATED ALIPHATIC ACID AND SATURATED ALIPHATIC DIAMINE POLYCONDENSED TOGETHER INTO A LINEAR POLYAMIDE AND A LACTAM POLYCONDENSED INTO A LINEAR POLYAMIDE, AND 0.05% TO 1% BY WEIGHT, BASED ON SAID POLYAMIDE, OF THE DIESTER OF A SATURATED, ALIPHATIC DICARBOXYLIC ACID HAVING 4-18 CARBONS AND A SATURATED, ALIPHATIC MONOHYDRIC ALCOHOL HAVING 4-12 CARBONS WITH THE FURTHER PROVISO THAT SAID DIESTER HAS A TOTAL OF 18-42 CARBONS.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |