US3848027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing water-dispersible polyolefin fibers and product formed therefrom
Assignee: Fort James Corp
•
Filing: 1973-02-26
•
Granted: 1974-11-12
•
Expires: 1993-02-26
Abstract
Abstract 1. A METHOD OF FORMING WATER-DISPERSIBLE POLYOLEFIN FIBERS COMPRISING VAPORIZING SOLVENT FROM AN AQUEOUS MASS OF SOLVENT-CONTAINING POLYOLEFIN FIBERS, IN THE PRESENCE OF BETWEEN ABOUT 0.1% AND ABOUT 10% BY WEIGHT POLYVINYL ALCOHOL BASED ON THE DRY WEIGHT OF THE FIBERS.
Inventors
- 👤 D Forbess
- 👤 W Kindler
- 👤 R Marti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:37
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08J3/16; D; D21; D21H; D21H13/00; D21H13/10; D21H13/12; D21H13/14; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/36; D21H5/00; D21H5/12; D21H5/1254; C08J2323/00; C08J2323/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A METHOD OF FORMING WATER-DISPERSIBLE POLYOLEFIN FIBERS COMPRISING VAPORIZING SOLVENT FROM AN AQUEOUS MASS OF SOLVENT-CONTAINING POLYOLEFIN FIBERS, IN THE PRESENCE OF BETWEEN ABOUT 0.1% AND ABOUT 10% BY WEIGHT POLYVINYL ALCOHOL BASED ON THE DRY WEIGHT OF THE FIBERS.
Claim 2
Independent Claim
40 words
A METHOD OF FORMING WATER-DISPERSIBLE POLYOLEFIN FIBERS COMPRISING VAPORIZING SOLVENT FROM AN AQUEOUS MASS OF SOLVENT-CONTAINING POLYOLEFIN FIBERS, IN THE PRESENCE OF BETWEEN ABOUT 0.1% AND ABOUT 10% BY WEIGHT POLYVINYL ALCOHOL BASED ON THE DRY WEIGHT OF THE FIBERS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |