Patent US3082087A successfully refreshed from Google Patents.
US3082087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic photographic films
Assignee: Eastman Kodak Co
•
Filing: 1959-11-12
•
Granted: 1963-03-19
•
Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Guestaux Claude Louis
- 👤 Leaute Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:09
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/89
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AS A NEW ARTICLE OF MANUFACTURE A PHOTOGRAPHIC FILM ABOUT EXHIBITING IMPROVED ANTISTATIC PROPERTIES, SAID PRODUCT BEING COMPRISED OF A FILM BASE SELECTED FROM THE GROUP CONSISTING OF CELLULOSE ACETATE, ETHYLENE FROM POLYTEREPHTHALATE, POLYUNDECANAMID, AND A COPOLYMER OF POLYVINY; CHLORIDE WHICH CARRIES A PHOTOGRAPHIC GELATINSILVER HALIDE EMULSION LAYER ON ONE SURFACE THEREOF AND ON THE OTHER SURFACE AN ANTISTATIC LAYER HAVING A THICKNESS OF FROM ABOUT 0.1 TO 0.3 MICRON AND BEING CHARACTERIZED IN THAT IT CONSISTS ESSENTIALLY OF A STYRENE RESINOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYSTRYENE AND A COPOLYMER OF STRYENE AND BUTADIENE.
Claim 2
Dependent Claim
97 words
AS A NEW ARTICLE OF MANUFACTURE A PHOTOGRAPHIC FILM ABOUT EXHIBITING IMPROVED ANTISTATIC PROPERTIES, SAID PRODUCT BEING COMPRISED OF A FILM BASE SELECTED FROM THE GROUP CONSISTING OF CELLULOSE ACETATE, ETHYLENE FROM POLYTEREPHTHALATE, POLYUNDECANAMID, AND A COPOLYMER OF POLYVINY; CHLORIDE WHICH CARRIES A PHOTOGRAPHIC GELATINSILVER HALIDE EMULSION LAYER ON ONE SURFACE THEREOF AND ON THE OTHER SURFACE AN ANTISTATIC LAYER HAVING A THICKNESS OF FROM ABOUT 0.1 TO 0.3 MICRON AND BEING CHARACTERIZED IN THAT IT CONSISTS ESSENTIALLY OF A STYRENE RESINOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYSTRYENE AND A COPOLYMER OF STRYENE AND BUTADIENE.
References Cited (Backward Citations)
US2059829A
Cited
US2274551A
Cited
US2331739A
Cited
US2279410A
Cited
US2725297A
Cited
US2816027A
Cited
US2794742A
Cited
US2973263A
Cited
US2872318A
Cited
US2875056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |