US3248280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulosic and wool materials containing a reaction product of epichlorohydrin and a polyamide derived from polyalkylene polyamine with a mixture of polymeric fatty acid and dibasic carboxylic acid
Assignee: OI Glass Inc
•
Filing: 1963-07-29
•
Granted: 1966-04-26
•
Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 Jr James W Hyland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:05
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/54; D21H17/55; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN ORGANICALLY DERIVED MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSIC MATERIALS AND WOOL CONTAINING FROM ABOUT 0.25 TO 4% BASED ON ITS DRY WEIGHT OF A RESIN, SAID RESIN COMPRISING A REACTION PRODUCT OF EPICHLOROHYDRIN AND A POLYAMIDE OBTAINED BY HEATING TOGETHER AT ABOUT 60-200*C. A POLYALKYLENE POLYAMINE AND A MIXTURE OF (A) A POLYMERIC FAT ACID AND (B) A SATURATED ALIPHATIC DIBASIC CARBOXYLIC ACID CONTAINING FROM 3 TO 10 CARBON ATOMS AND WHEREIN THE POLYMERIC FAT ACID AND THE DIBASIC ACID ARE IN THE MOLAR RATIO OF ABOUT 1 TO 4.
Claim 2
Dependent Claim
93 words
AN ORGANICALLY DERIVED MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSIC MATERIALS AND WOOL CONTAINING FROM ABOUT 0.25 TO 4% BASED ON ITS DRY WEIGHT OF A RESIN, SAID RESIN COMPRISING A REACTION PRODUCT OF EPICHLOROHYDRIN AND A POLYAMIDE OBTAINED BY HEATING TOGETHER AT ABOUT 60-200*C. A POLYALKYLENE POLYAMINE AND A MIXTURE OF (A) A POLYMERIC FAT ACID AND (B) A SATURATED ALIPHATIC DIBASIC CARBOXYLIC ACID CONTAINING FROM 3 TO 10 CARBON ATOMS AND WHEREIN THE POLYMERIC FAT ACID AND THE DIBASIC ACID ARE IN THE MOLAR RATIO OF ABOUT 1 TO 4.
References Cited (Backward Citations)
US2595935A
Cited
GB711404A
Cited
US2811495A
Cited
US2785092A
Cited
US2882185A
Cited
US2926116A
Cited
US2840264A
Cited
US3001960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |