US3833403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for subbing photographic polyester films
Assignee: Konica Minolta Inc
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Filing: 1973-05-23
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Granted: 1974-09-03
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Expires: 1993-05-23
Abstract
Abstract The present invention is directed to a process of subbing photographic polyester film comprising election bombard of one side the film and then treating said film side with a subbing composition containing (a) a copolymer latex of a diolefin polymerized with an ethylenically unsaturated monomer and (b) a compound having two or more groups selected from ethyleneimino and methylsulfonyloxy group.
Inventors
- 👤 M Kogure
- 👤 Y Muroi
- 👤 H Ohta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:59
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; G03C1/915; Y; Y10; Y10S; Y10S430/00; Y10S430/151
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A process for subbing a photographic polyester film as claimed in claim 1, wherein said compound (b) is that which at least one ethyleneimino group in addition to one or more groups selected from ethyleneimino and methylsulfonyloxy groups.
Claim 2
Dependent Claim
37 words
A process for subbing photographic polyester film as claimed in claim 1, wherein said compound (b) is that which at least one methylsulfonyloxy group in addition to one or more groups selected from ethyleneimino and methylsulfonyloxy groups.
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) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |