US3184281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing polyolefin articles
Assignee: Asahi Kasei Corp
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Filing: 1962-12-20
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Granted: 1965-05-18
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Tsunoda Yoshio
- 👤 Taneda Tour
- 👤 Akamatsu Kiyoshi
- 👤 Matsui Kenichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:29
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/22; C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/10; C08L23/12; C08L23/18; C08L23/20; D06P1/00; D06P1/44; D06P1/653; D06P1/6536; D06P3/00; D06P3/79; D06P3/791; D06P3/794; C08L2205/00; C08L2205/02; C08L23/26; C08L23/28; C08L63/00; C08L79/00; C08L79/04; C08L79/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A PROCESS FOR DYEING SHAPED ARTICLES PRODUCED FROM POLYOLEFIN MATERIAL SELECTED FROM THE GROUP CONISISTING OF POLYETHYLENE, POLYPROPYLENE AND POLYBUTENE-1, SAID POLYOLEFIN BEING NODIFIED BY THE ADDITION THERETO OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF POLYAMINOTRIAZOLES, POLYTRIAZOLES, POLYETHYLENEIMINES, POLYAMIDES AND EPOXY RESINS, THE IMPROVEMENT COMPRISING TREATING SAID ATICLES WITH A NAPHTHALENE COMPOUND HAVING A NAPHTHALENE NUCLEUS WITH A PAIR OF HYDROXYL AND CARBOXYL GROUPS ADJACENT TO EACH OTHER THEREIN SELECTED FROM THE GROUP CONSISTING OF 2-OXY-1-NAPHTHOIC ACID, 3-OXY-2NAPHTHOIC ACID, 4-CHLORO-3-OXY-2-NAPHTHOIC ACID, 4-METHOXY-3-OXY-2-NAPHTHOIC ACID AND 8-CHLOR-2-OXY-1-NAPHTHOIC ACID.
Claim 2
Dependent Claim
91 words
IN A PROCESS FOR DYEING SHAPED ARTICLES PRODUCED FROM POLYOLEFIN MATERIAL SELECTED FROM THE GROUP CONISISTING OF POLYETHYLENE, POLYPROPYLENE AND POLYBUTENE-1, SAID POLYOLEFIN BEING NODIFIED BY THE ADDITION THERETO OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF POLYAMINOTRIAZOLES, POLYTRIAZOLES, POLYETHYLENEIMINES, POLYAMIDES AND EPOXY RESINS, THE IMPROVEMENT COMPRISING TREATING SAID ATICLES WITH A NAPHTHALENE COMPOUND HAVING A NAPHTHALENE NUCLEUS WITH A PAIR OF HYDROXYL AND CARBOXYL GROUPS ADJACENT TO EACH OTHER THEREIN SELECTED FROM THE GROUP CONSISTING OF 2-OXY-1-NAPHTHOIC ACID, 3-OXY-2NAPHTHOIC ACID, 4-CHLORO-3-OXY-2-NAPHTHOIC ACID, 4-METHOXY-3-OXY-2-NAPHTHOIC ACID AND 8-CHLOR-2-OXY-1-NAPHTHOIC ACID.
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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |