US2985545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of rendering cellulosic material non-adherent and article produced thereby
Assignee: General Electric Co
•
Filing: 1958-03-26
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Granted: 1961-05-23
•
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 20:20
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/59; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
THE METHOD FOR RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SRUFACES WHICH NORMALLY ADHERE THERETO, WHICH PROCESS COMPRISES TREATING THE CELLULOSIC FIBROUS SHEET MATERIAL WITH ANQUEOUS EMULSION TREATING BATH CONTAINING, BY WEIGHT, THE FOLLOWING SOLE ACTIVE INGREDIENTS: (A) FROM 1 TO 35% OF A LINEAR POLYDIMETHYLSILOXANE CONTAINING TERMINAL SILICON-BONDED HYDROXY GROUPS, (B) FROM 65 TO 98% WATER. (C) FROM 0.1 TO 5% OF A METHYL HYDROGEN POLYSILOXANE, BASED ON THE WEIGHT OF (A), (D) FROM 0.05 TO 10% TIN IN THE FORM OF A METALLIC SALT SELECTED FROM THE CLASS CONSISTING OF DIBUTYL TIN DILAURATE AND DIBUTYL TIN DIACETATE, BASED ON THE WEIGHT OF (A), (E) FROM 0 TO 10% OF AN ORGANIC SOLVENT, AND (F) FROM 0.1 TO 3% OF POLYVINYL ALCOHOL AS AN EMULSIFYING AGENT, AND THEREAFTER DRYING THE TREATED MATERIAL.
Claim 2
Independent Claim
133 words
THE METHOD FOR RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SRUFACES WHICH NORMALLY ADHERE THERETO, WHICH PROCESS COMPRISES TREATING THE CELLULOSIC FIBROUS SHEET MATERIAL WITH ANQUEOUS EMULSION TREATING BATH CONTAINING, BY WEIGHT, THE FOLLOWING SOLE ACTIVE INGREDIENTS: (A) FROM 1 TO 35% OF A LINEAR POLYDIMETHYLSILOXANE CONTAINING TERMINAL SILICON-BONDED HYDROXY GROUPS, (B) FROM 65 TO 98% WATER. (C) FROM 0.1 TO 5% OF A METHYL HYDROGEN POLYSILOXANE, BASED ON THE WEIGHT OF (A), (D) FROM 0.05 TO 10% TIN IN THE FORM OF A METALLIC SALT SELECTED FROM THE CLASS CONSISTING OF DIBUTYL TIN DILAURATE AND DIBUTYL TIN DIACETATE, BASED ON THE WEIGHT OF (A), (E) FROM 0 TO 10% OF AN ORGANIC SOLVENT, AND (F) FROM 0.1 TO 3% OF POLYVINYL ALCOHOL AS AN EMULSIFYING AGENT, AND THEREAFTER DRYING THE TREATED MATERIAL.
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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) | 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 |