US2985546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of rendering cellulosic material non-adherent and article produced thereby
Assignee: General Electric Co
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Filing: 1958-03-26
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Granted: 1961-05-23
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Expires: 1978-03-26
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Leavitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:21
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/59; B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD FOR RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SURFACES WHICH NORMALLY ADHERE THERETO, WHICH PROCESS COMPRISES TREATING THE CELLULOSIC FIBROUS SHEET MATERIAL WITH A TREATING BATH CONSISTING ESSENTIALLY OF, BY WEIGHT, THE FOLLOWING ACTIVE INGREDIENTS: (1) FROM 1 TO 20 PARTS OF A LINEAR POLYDIMETHYL-SILOXANE CONTAINING A TERMINAL SILICON-BONDED HYDROXY GROUP, (2) FROM 0.1 TO 40 PARTS OF A POLYALKYL SILICATE, (3) FROM 0.01 TO 5 PARTS OF A METALLIC SALT SELECTED FROM THE CLASS CONSISTING OF DIBUTYL TIN DILAURATE AND DIBUTYL TIN DIACETATE, AND (4) FROM 75 TO 97 PARTS OF AN ORGANIC SOLVENT, AND THERE AFTER DRYING THE TREATED MATERIAL.
Claim 2
Independent Claim
104 words
THE METHOD FOR RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SURFACES WHICH NORMALLY ADHERE THERETO, WHICH PROCESS COMPRISES TREATING THE CELLULOSIC FIBROUS SHEET MATERIAL WITH A TREATING BATH CONSISTING ESSENTIALLY OF, BY WEIGHT, THE FOLLOWING ACTIVE INGREDIENTS: (1) FROM 1 TO 20 PARTS OF A LINEAR POLYDIMETHYL-SILOXANE CONTAINING A TERMINAL SILICON-BONDED HYDROXY GROUP, (2) FROM 0.1 TO 40 PARTS OF A POLYALKYL SILICATE, (3) FROM 0.01 TO 5 PARTS OF A METALLIC SALT SELECTED FROM THE CLASS CONSISTING OF DIBUTYL TIN DILAURATE AND DIBUTYL TIN DIACETATE, AND (4) FROM 75 TO 97 PARTS OF AN ORGANIC SOLVENT, AND THERE AFTER DRYING THE TREATED MATERIAL.
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |