US2584337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic treating composition for photographic film supports
Assignee: GAF Chemicals Corp
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Filing: 1949-06-24
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Granted: 1952-02-05
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Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 Famulener Keith
- 👤 Hoerlin Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:11
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/044; C08J7/046; H; H05; H05F; H05F3/00; H05F3/02; C08J2301/00; C08J2301/08; C08J2401/00; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN ANTI-STATIC CELLULOSE ACETATE COMPOSITION SUITABLE FOR TREATING A FILM OF A CELLULOSE ESTER WHICH COMPRISES 5-15% SOLUTION OF CELLULOSE ACETATE IN A SOLVENT FOR SAID FILM AND CONTAINING POLY-(METHYLENE SALICYCLIC ACID) AND CALCIUM SILICATE DISPERSED IN AN ARALKYL ALCOHOL OF THE BENZENE SERIES.
Claim 2
Dependent Claim
44 words
AN ANTI-STATIC CELLULOSE ACETATE COMPOSITION SUITABLE FOR TREATING A FILM OF A CELLULOSE ESTER WHICH COMPRISES 5-15% SOLUTION OF CELLULOSE ACETATE IN A SOLVENT FOR SAID FILM AND CONTAINING POLY-(METHYLENE SALICYCLIC ACID) AND CALCIUM SILICATE DISPERSED IN AN ARALKYL ALCOHOL OF THE BENZENE SERIES.
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |