US3236918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improving dyeability of polyolefinic materials by adding polytriazoles
Assignee: Asahi Kasei Corp
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Filing: 1961-05-10
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Granted: 1966-02-22
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Tsunoda Yoshio
- 👤 Taneda Toru
- 👤 Akamatsu Kiyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:22
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/02; D01F6/04; C; C08; C08L; C08L23/00; C08L23/02; D01F1/00; D01F1/02; D01F1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS FOR IMPROVING DYEABILITY OF POLYOLEFINIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE AND POLYBUTENE-1, WHICH COMPRISES ADDING TO THE POLYOLEFINIC MATERIAL - 1-20% BY WEIGHT BASED ON THE MATERIAL OF AT LEAST ONE CONDENSATION POLYMER HAVING A MELTING POINT OF 100*C.-300*C. AND CONSISTING OF RECURRENT UNITS REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
55 words
A PROCESS FOR IMPROVING DYEABILITY OF POLYOLEFINIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE AND POLYBUTENE-1, WHICH COMPRISES ADDING TO THE POLYOLEFINIC MATERIAL - 1-20% BY WEIGHT BASED ON THE MATERIAL OF AT LEAST ONE CONDENSATION POLYMER HAVING A MELTING POINT OF 100*C.-300*C. AND CONSISTING OF RECURRENT UNITS REPRESENTED BY THE GENERAL FORMULA:
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |