US3708464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic olefin polymer compositions
Assignee: Huels AG
•
Filing: 1970-12-04
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Granted: 1973-01-02
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Expires: 1990-12-04
Abstract
Abstract ANTISTATIC OLEFIN POLYMER COMPOSITONS AND MOLDED ARTICLES OF NORMALLY SOLID OLEFIN POLYMERS HAING UNIFORMLY AND INTIMATELY DISTRIBUTED THEREIN FROM 0.01 TO 1.0 PERCENT BY WEIGHT OF A TETRAHYDROPYRIMIDINE HAVING THE FORMULA 2-R2,3-R1-3,4,5,6-TETRAHYDROPYRIMIDINE WHEREIN R1 IS A STRAIGHT CHAIN OR BRANCHED ALKYL OR ALKENYL GROUP HAVING 6 TO 26 CARBON ATOMS AND R2 IS HYDROGEN OR AN ALKYL OR AKENYL GROUP HAVING 1 TO 5 CARBON ATOMS THE TETRAHYDROPYRIMIDINES MAY BE MIXED WITH UP TO MOLAR EQUIVALENT AMOUNTS OF ORGANIC OR INORGANIC ACIDS.
Inventors
- 👤 K Rombusch
- 👤 K Magosch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3442; C08K5/3462; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |