US3660142A
Expired / Lapsed
US
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Method of making a photographic base material
Assignee: Fujifilm Holdings Corp
•
Filing: 1970-06-09
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Granted: 1972-05-02
•
Expires: 1990-06-09
Abstract
Abstract l, numbers determined by its valence.
Inventors
- 👤 Tsuneo Kasugai
- 👤 Wataru Ueno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:07
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; G03C1/795
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
18 words
The method of making a photographic base material according to claim 1, wherein said base material is polyethylene.
Claim 2
Dependent Claim
21 words
The method of making a photographic base material according to claim 1, wherein said base material is a polyethylene coated paper.
Claim 3
Dependent Claim
21 words
The method of making a photographic base material according to claim 1, wherein said compound is one having the following formula,
Claim 4
Dependent Claim
21 words
The method of making a photographic base material according to claim 1, wherein said compound is one having the following formula,
Claim 5
Dependent Claim
21 words
The method of making a photographic base material according to claim 1, wherein said compound is one having the following formula,
Claim 6
Dependent Claim
21 words
The method of making a photographic base material according to claim 1, wherein said compound is one having the following formula,
Claim 7
Dependent Claim
34 words
The method of making a photographic base material according to claim 1, wherein the amount of said compound to be added is 0.3 to 0.5% by weight, based on the amount of said polyethylene.
Claim 8
Dependent Claim
34 words
The method of making a photographic base material according to claim 1, wherein the amount of said compound to be added is 0.1 to 1.0% by weight, based on the amount of said polyethylene.
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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |