US2985544A
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
- 👤 Monterey Francis G A De
- 👤 Michael J Zurlo
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; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE METHOD OF RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SURFACES WHICH NORMALLY ADHERE THERETO, WHICH COMPRISES TREATING THE SAID MATERIAL WITH AN EMULSION TREATING COMPOSITION CONSISTING ESSENTIALLY OF (1) A LINEAR POLYDIMETHYLSILOXANE CONTAINING TERMINAL SILICON-BONDED HYDROXY GROUPS, (2) A METHYLPOLYSILOXANE RESIN HAVING A RATIO OF FROM 1.05 TO 1.4 METHYL GROUPS PER SILICON ATOM AND COMPOSED ESSENTIALLY OF (CH3)2SIO AND CH3SIO3/2 UNITS, (3) POLYVINYL ALCOHOL AS AN EMULSIFYING AGENT AND (4) A CATALYTIC AMOUNT OF DISBUTYL TIN DILAURATE, AND THEREAFTER DRYING THE TREATED MATERIAL.
Claim 2
Independent Claim
85 words
THE METHOD OF RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SURFACES WHICH NORMALLY ADHERE THERETO, WHICH COMPRISES TREATING THE SAID MATERIAL WITH AN EMULSION TREATING COMPOSITION CONSISTING ESSENTIALLY OF (1) A LINEAR POLYDIMETHYLSILOXANE CONTAINING TERMINAL SILICON-BONDED HYDROXY GROUPS, (2) A METHYLPOLYSILOXANE RESIN HAVING A RATIO OF FROM 1.05 TO 1.4 METHYL GROUPS PER SILICON ATOM AND COMPOSED ESSENTIALLY OF (CH3)2SIO AND CH3SIO3/2 UNITS, (3) POLYVINYL ALCOHOL AS AN EMULSIFYING AGENT AND (4) A CATALYTIC AMOUNT OF DISBUTYL TIN DILAURATE, AND THEREAFTER 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 |