US2592311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl chloride plastics containing resorcinol monobenzoate
Assignee: Eastman Kodak Co
•
Filing: 1949-02-12
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Granted: 1952-04-08
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Expires: 1969-02-12
Abstract
No abstract record available.
Inventors
- 👤 Lester W A Meyer
- 👤 William M Gearhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:39
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/134
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A POLYVINYL CHLORIDE PLASTIC RELATIVELY STABLE TO ULTRA-VIOLET LIGHT CONSISTING PRINCIPALLY OF POLYVINYL CHLORIDE, AND CONTAINING AS AN ESSENTIAL INGREDIENT APPROXIMATELY 1%-2% OF RESORCINOL MONOBENZOATE BASED ON THE WEIGHT OF THE POLYVINYL CHLORIDE.
Claim 2
Dependent Claim
33 words
A POLYVINYL CHLORIDE PLASTIC RELATIVELY STABLE TO ULTRA-VIOLET LIGHT CONSISTING PRINCIPALLY OF POLYVINYL CHLORIDE, AND CONTAINING AS AN ESSENTIAL INGREDIENT APPROXIMATELY 1%-2% OF RESORCINOL MONOBENZOATE BASED ON THE WEIGHT OF THE POLYVINYL CHLORIDE.
References Cited (Backward Citations)
US2034283A
Cited
US2157068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |