US2588367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rendering cellulosic material nonadherent to adhesives
Assignee: Dow Silicones Corp
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Filing: 1950-05-04
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Granted: 1952-03-11
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Expires: 1970-05-04
Abstract
No abstract record available.
Inventors
- 👤 Firth L Dennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:05
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; C08G77/04; C08G77/12; Y; Y10; Y10S; Y10S36/00; Y10S36/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
THE METHOD OF RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TOWARD MATERIALS WHICH NORMALLY ADHERE THERETO WHIC COMPRISES WETTING THE MATERIAL WITH AN AQUEOUS EMULSION OF A METHYLHYDROGENPOLYSILOXANE FLUID OF THE EMPIRICAL FORMULA
Claim 2
Independent Claim
32 words
THE METHOD OF RENDERING CELLULOSIC FIBROUS SHEET MATERIAL NON-ADHERENT TOWARD MATERIALS WHICH NORMALLY ADHERE THERETO WHIC COMPRISES WETTING THE MATERIAL WITH AN AQUEOUS EMULSION OF A METHYLHYDROGENPOLYSILOXANE FLUID OF THE EMPIRICAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |