US3214463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uv-absorbing sulfonated benzophenone derivatives
Assignee: EIDP Inc
•
Filing: 1960-05-12
•
Granted: 1965-10-26
•
Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 Schoenthaler Arnold Charles
- 👤 Umberger Jacob Quentin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:53
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/76; C07C49/84; C07C45/00; C07C45/45; C07C45/46; C07C49/82; C07C49/83; G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
A WATER-DISPERSIBLE, NON-DIFFUSIBLE ULTRAVIOLET LIGHT ABSORBING COMPOSITION HAVING THE FORMULA:
Claim 2
Dependent Claim
10 words
A WATER-DISPERSIBLE, NON-DIFFUSIBLE ULTRAVIOLET LIGHT ABSORBING COMPOSITION HAVING THE FORMULA:
Claim 3
Dependent Claim
15 words
A PROCESS FOR PREPARING IMPROVED ULTRAVIOLET-LIGHT ABSORBING BENZOPHENONE COMPOSITIONS WHICH COMPRISES REACTING THE FOLLOWING COMPOUND:
Claim 4
Dependent Claim
15 words
A PROCESS FOR PREPARING IMPROVED ULTRAVIOLET-LIGHT ABSORBING BENZOPHENONE COMPOSITIONS WHICH COMPRISES REACTING THE FOLLOWING COMPOUND:
References Cited (Backward Citations)
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US2554434A
Cited
US2614940A
Cited
US2719086A
Cited
US2756253A
Cited
US2808330A
Cited
US2704713A
Cited
US2976259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |