Patent US3287314A successfully refreshed from Google Patents.
US3287314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferrocene and its derivatives as photo-stabilizers for synthetic resin
Assignee: Individual
•
Filing: 1962-04-17
•
Granted: 1966-11-22
•
Expires: 1982-04-17
Abstract
No abstract record available.
Inventors
- 👤 Robert M Van Vliet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:58
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/20; C08; C08K; C08K5/00; C08K5/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PHOTOSTABLE COMPOSITION COMPRISING (1) A RESIN SELECTED FROM THE GROUP CONSISTING OF POLY VINYL BUTYRAL AND MELAMINE RESIN, AND (2) .01% TO 5% BT WEIGHT, BASED UPON THE WEIGHT OF THE RESIN, OF A FERROCENE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF 1,1''-DIBENZOYL FERROCENE, 1,1''FERROCENE DICARBOXYLIC ACID AND 1,1''-DIETHYLFERROCENATE AS A STABILIAER FOR THE RESIN.
Claim 2
Dependent Claim
56 words
A PHOTOSTABLE COMPOSITION COMPRISING (1) A RESIN SELECTED FROM THE GROUP CONSISTING OF POLY VINYL BUTYRAL AND MELAMINE RESIN, AND (2) .01% TO 5% BT WEIGHT, BASED UPON THE WEIGHT OF THE RESIN, OF A FERROCENE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF 1,1''-DIBENZOYL FERROCENE, 1,1''FERROCENE DICARBOXYLIC ACID AND 1,1''-DIETHYLFERROCENATE AS A STABILIAER FOR THE RESIN.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |