US3305392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified fibrous web and process of manufacture
Assignee: Kimberly Clark Tissue Co
•
Filing: 1965-05-27
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Granted: 1967-02-21
•
Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Britt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:26
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/54; B; B05; B05C; B05C1/00; B05C1/04; B05C1/06; B05D; B05D1/00; B05D1/26; D21H17/00; D21H17/03; D21H17/05; D21H17/14; D21H5/00; D21H5/0005; D21H5/0025; D21H5/0027; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24934; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249965; Y10T428/31504; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SOFT, POROUS, FLEXIBLE WEB OF CELLULOSE FIBERS FORMING A PAPER SHEET CARRYING UPON THE OUTERMOST PORTION OF SOME OF THE FIBERS OF THE WEB SURFACE AN ALPLICATION OF ZINC STEARATE, MODIFIED BY A MINOR AMOUNT OF DISTEARYL METHYLAMINE AND FURTHER MODIFIED BY A MILNOR AMOUNT OF A CATIONIC COMPOUND TO REDUCE THE MIGRATION OF THE ZINC STERATE FROM THE OUTERMOST PORTION OF SAID WEB INTO THE INTERIOR OF THE WEB, SAID COMPOUND BEING SELECTED FROM AT LEAST ONE MEMBER FROM THE GROUP CONSISTING OF DIMETHYL-DISTEARYL AMMONIUM CHLORIDE AND HYDROGENATED TALLOW BENZYL DIMETHYL AMMONIUM CHLORIDE.
Claim 2
Dependent Claim
95 words
A SOFT, POROUS, FLEXIBLE WEB OF CELLULOSE FIBERS FORMING A PAPER SHEET CARRYING UPON THE OUTERMOST PORTION OF SOME OF THE FIBERS OF THE WEB SURFACE AN ALPLICATION OF ZINC STEARATE, MODIFIED BY A MINOR AMOUNT OF DISTEARYL METHYLAMINE AND FURTHER MODIFIED BY A MILNOR AMOUNT OF A CATIONIC COMPOUND TO REDUCE THE MIGRATION OF THE ZINC STERATE FROM THE OUTERMOST PORTION OF SAID WEB INTO THE INTERIOR OF THE WEB, SAID COMPOUND BEING SELECTED FROM AT LEAST ONE MEMBER FROM THE GROUP CONSISTING OF DIMETHYL-DISTEARYL AMMONIUM CHLORIDE AND HYDROGENATED TALLOW BENZYL DIMETHYL AMMONIUM CHLORIDE.
References Cited (Backward Citations)
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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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |