US2703756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vesicular prints and process of making same
Assignee: GAF Chemicals Corp
•
Filing: 1951-12-12
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Granted: 1955-03-08
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Expires: 1971-12-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Clifford E Herrick
- 👤 Ann K Balk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:31
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS OF MAKING PHOTOGRAPHIC VESICULAR PRINT MATERIAL WHICH COMPRISES FORMING A DISPERSED MIXTURE OF 1 TO 7 PARTS OF A THERMOPLASTIC, HYDROPHOBIC RESIN AND A WATER SOLUTION OF 3 TO 1 PARTS OF A WATER SOLUBLE GAS IMPERMEABLE ORGANIC COLLOID CONTAINING A STABILIZED PHOTOSENSITIVE DIAZONIUM COMPOUND, COATING THE MIXTURE ON A SUPPORT AND DRYING TO A CLEAR, CONTINUOUS, HYDROPHOBIC RESIN LAYER WHICH IS THERMOPLASTIC AT TEMPERATURES ON THE ORDER OF FROM 140* F. TO ABOUT 200* F. AND HAS FINELY DISPERSED THEREIN WATER SOLUBLE COLLOID AND PHOTOSENSITIVE DIAZONIUM COMPOUND.
Claim 2
Dependent Claim
90 words
A PROCESS OF MAKING PHOTOGRAPHIC VESICULAR PRINT MATERIAL WHICH COMPRISES FORMING A DISPERSED MIXTURE OF 1 TO 7 PARTS OF A THERMOPLASTIC, HYDROPHOBIC RESIN AND A WATER SOLUTION OF 3 TO 1 PARTS OF A WATER SOLUBLE GAS IMPERMEABLE ORGANIC COLLOID CONTAINING A STABILIZED PHOTOSENSITIVE DIAZONIUM COMPOUND, COATING THE MIXTURE ON A SUPPORT AND DRYING TO A CLEAR, CONTINUOUS, HYDROPHOBIC RESIN LAYER WHICH IS THERMOPLASTIC AT TEMPERATURES ON THE ORDER OF FROM 140* F. TO ABOUT 200* F. AND HAS FINELY DISPERSED THEREIN WATER SOLUBLE COLLOID AND PHOTOSENSITIVE DIAZONIUM COMPOUND.
References Cited (Backward Citations)
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US2018657A
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GB402737A
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US2184311A
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GB524786A
Cited
US2239704A
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US2217189A
Cited
US2350843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |