US3183202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer treatment
Assignee: Imperial Chemical Industries Ltd
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Filing: 1962-07-30
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Granted: 1965-05-11
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Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Baird William
- 👤 Jones Gwilym Thomas
- 👤 Deverell-Smith Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A POLYOLEFINE SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE HAVING A REDUED TENDENCY TO ACQUIRE CHARGES OF STATIC ELECTRICITY, SAID POLYOLEFINE INCLUDING FROM 0.01% TO 5% OF AN N,N-DI-(BHYDROXYETHYL) FATTY ACID AMIDE AS AN ANTISATIC AGENT THEREFOR, THE FATTY ACID OF SAID AMIDE CONTAINING FROM 6 TO 22 CARBON ATOMS.
Claim 2
Dependent Claim
52 words
A POLYOLEFINE SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE HAVING A REDUED TENDENCY TO ACQUIRE CHARGES OF STATIC ELECTRICITY, SAID POLYOLEFINE INCLUDING FROM 0.01% TO 5% OF AN N,N-DI-(BHYDROXYETHYL) FATTY ACID AMIDE AS AN ANTISATIC AGENT THEREFOR, THE FATTY ACID OF SAID AMIDE CONTAINING FROM 6 TO 22 CARBON ATOMS.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |