US3004871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rendering cellulosic materials non-adherent
Assignee: General Electric Co
•
Filing: 1959-07-23
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Granted: 1961-10-17
•
Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 Leavitt Herbert Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/001; C; C08; C08L; C08L83/00; C08L83/04; D21H19/00; D21H19/10; D21H19/14; D21H19/24; D21H19/32; C08G; C08G77/00; C08G77/02; C08G77/04; C08G77/12; C08G77/14; C08G77/16; 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
83 words
THE METHOD OF RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SURFACES WHICH NORMALLY ADHERE THERETO, WHICH COMPRISES TREATING SAID MATERIAL WITH A TREATING BATH CONTAINING AS SOLE ACTIVE INGREDIENTS (1) A LINEAR POLYDIMETHYLSILOXANE IN WHICH THE SILOXANE CHAIN IS TERMINATED BY A MEMBER SELECTED FROM THE CLASS CONSISTING OF SILICON-BONDED HYDROXYL GROUPS AND SILICONBONDED TRIMETHYLSILOXY GROUPS, (2) A METHYL HYDROGEN POLYSILOXANE, (3) A POLYALKYL SILICATE, AND (4) A METALLIC SALT SELECTED FROM THE CLASS CONSISTING OF DIBUTYL TIN DILAURATE AND DIBUTYL TIN DIACETATE.
Claim 2
Independent Claim
83 words
THE METHOD OF RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TO SURFACES WHICH NORMALLY ADHERE THERETO, WHICH COMPRISES TREATING SAID MATERIAL WITH A TREATING BATH CONTAINING AS SOLE ACTIVE INGREDIENTS (1) A LINEAR POLYDIMETHYLSILOXANE IN WHICH THE SILOXANE CHAIN IS TERMINATED BY A MEMBER SELECTED FROM THE CLASS CONSISTING OF SILICON-BONDED HYDROXYL GROUPS AND SILICONBONDED TRIMETHYLSILOXY GROUPS, (2) A METHYL HYDROGEN POLYSILOXANE, (3) A POLYALKYL SILICATE, AND (4) A METALLIC SALT SELECTED FROM THE CLASS CONSISTING OF DIBUTYL TIN DILAURATE AND DIBUTYL TIN DIACETATE.
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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |