US3248378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefin-chelate compositions having improved dye receptivity
Assignee: Hoechst AG
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Filing: 1962-10-08
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Granted: 1966-04-26
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Expires: 1982-10-08
Abstract
No abstract record available.
Inventors
- 👤 Behrenbruch Horst
- 👤 Happe Wilhelm
- 👤 Freitag Gerhard
- 👤 Hoyer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:17
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091; C08K5/04; C08K5/09; C08K5/098; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A DYE RECEPTIVE COMPOSITION OF MATTER FROM WHICH SHAPED ARTICLES ARE FORMED CONSISTING ESSENTIALLY OF A POLYOLEFIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE CONTAINING 0.1 TO 3% BY WEIGHT OF A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF CHROMIUM ACETYL ACETONATE, ALUMINUM ACETYL ACETONATE, CHROMIUM ACETOACETIC ESTER AND ALUMINUM ACETOACETIC ESTER.
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) | 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 |