US3328484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polypropylene or polyester compositions of improved dyeability containing a linear polyamide and a linear sulfonated polyamide
Assignee: Rhodiaceta SA
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Filing: 1964-02-10
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Granted: 1967-06-27
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Alliot-Lugaz Maurice
- 👤 Allard Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:26
CPC Classifications
C; C08; C08L; C08L77/00; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08L67/00; C08L67/02; C08L2205/00; C08L2205/02; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
COMPOSITIONS OF IMPROVED DYEABILITY WHICH COMPRISE (A) A MAJOR PROPORTION BY WEIGHT OF A POLYMER SELECTED FROM THE CLASS CONSISTING OF CRYSTALLINE POLYPROPYLENE AND A SYNTHETIC LINEAR POLYSTER DERIVED FROM AN AROMATIC DIACARBOXYLIC ACID AND A DIOL SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC DIOLS, AND (B) A MINOR PROPORTION BY WEIGHT OF A MIXTURE OF (I) A SYNTHETIC, LINEAR POLYAMIDE, AND (II) NOT MORE THAN AN EQUAL WEIGHT OF A SYNTHETIC, LINEAR COPOLYAMIDE OF WHICH 5% TO 35% BY WEIGHT CONSISTS OF UNITS OF THE FORMULA:
Claim 2
Dependent Claim
89 words
COMPOSITIONS OF IMPROVED DYEABILITY WHICH COMPRISE (A) A MAJOR PROPORTION BY WEIGHT OF A POLYMER SELECTED FROM THE CLASS CONSISTING OF CRYSTALLINE POLYPROPYLENE AND A SYNTHETIC LINEAR POLYSTER DERIVED FROM AN AROMATIC DIACARBOXYLIC ACID AND A DIOL SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC DIOLS, AND (B) A MINOR PROPORTION BY WEIGHT OF A MIXTURE OF (I) A SYNTHETIC, LINEAR POLYAMIDE, AND (II) NOT MORE THAN AN EQUAL WEIGHT OF A SYNTHETIC, LINEAR COPOLYAMIDE OF WHICH 5% TO 35% BY WEIGHT CONSISTS OF UNITS OF THE FORMULA:
References Cited (Backward Citations)
US3107228A
Cited
US3039990A
Cited
FR1284591A
Cited
DE1143635B
Cited
US3235623A
Cited
US3161608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |