Patent US3281260A successfully refreshed from Google Patents.
US3281260A
Expired / Lapsed
US
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Process for treating acrylonitrile fibers with ultra-violet light stabilizer
Assignee: Monsanto Co
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Filing: 1962-11-19
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Granted: 1966-10-25
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Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Pompelio A Ucci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:49
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/70; D06P3/76; C; C08; C08K; C08K5/00; C08K5/0008; C08K5/36; C08K5/41; C08K5/42; C08L; C08L33/00; C08L33/18; C08L33/20; D01; D01F; D01F11/00; D01F11/04; D01F11/06; D01F6/00; D01F6/02; D01F6/16; D01F6/18; D01F6/28; D01F6/38; D01F6/44; D01F6/54; D06P1/00; D06P1/44; D06P1/52; D06P1/5207; D06P1/525; D06P1/5257; D06P1/62; D06P1/621; D06P1/622
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A METHOD FOR STABILIZING SYNTHETIC LINEAR FIBERS AGAINST ULTRA-VIOLET LIGHT COMPRISING TREATING SAID FIBERS DURING THEIR SPINNING WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE NAPHTHALENE DISULFONIC ACIDS AND THE ALKALI METAL SALTS OF THE NAPHTHALENE DISULFONIC ACIDS.
Claim 2
Independent Claim
40 words
A METHOD FOR STABILIZING SYNTHETIC LINEAR FIBERS AGAINST ULTRA-VIOLET LIGHT COMPRISING TREATING SAID FIBERS DURING THEIR SPINNING WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE NAPHTHALENE DISULFONIC ACIDS AND THE ALKALI METAL SALTS OF THE NAPHTHALENE DISULFONIC ACIDS.
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |