US3243393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying oil modified polycarbonates of bisphenols, processes for their production and compositions produced therefrom
Assignee: Individual
•
Filing: 1961-05-12
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Granted: 1966-03-29
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Oliver A Barton
- 👤 Henry H Richmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
C; C09; C09D; C09D169/00; C08; C08G; C08G64/00; C08G64/04; C08G64/06; C08G64/14; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
33 words
AN OLEORESINOUS REACTION PRODUCT OF A DRYING OIL AND A BISPHENOL POLYCARBONATE PREPARED BY MIXING A DRYING OIL AND A MEMBR OF THE GROUP CONSISTING OF THE POLYCARBONATES OF BISPHENOLS HAVING THE STRUCTURE
Claim 2
Dependent Claim
33 words
AN OLEORESINOUS REACTION PRODUCT OF A DRYING OIL AND A BISPHENOL POLYCARBONATE PREPARED BY MIXING A DRYING OIL AND A MEMBR OF THE GROUP CONSISTING OF THE POLYCARBONATES OF BISPHENOLS HAVING THE STRUCTURE
Claim 3
Dependent Claim
23 words
AN OLEORESINOUS REACTION PRODUCT OF A DRYING OIL AND A BISPHENOL ACCORDING TO CLAIM 1 WHEREIN THE DRYING OIL CONTAINS CONJUGATED DOUBLE BONDS.
Claim 4
Dependent Claim
31 words
A COATING COMPOSITION CONTAINING BY WEIGHT BETWEEN ABOUT 10% AND ABOUT 50% OF THE OLEORESINOUS REACTION PRODUCT OF CLAIM 2 IN SOLUTION IN A SOLVENT LIQUID PRINCIPALLY COMPOSED OF AROMATIC HYDROCARBONS.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |