Patent US2535027A successfully refreshed from Google Patents.
US2989416A
Expired / Lapsed
US
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Werner complexes of orthohydroxyl substituted benzophenone
Assignee: EIDP Inc
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Filing: 1958-01-06
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Granted: 1961-06-20
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Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 William L Standish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:52
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; C07; C07C; C07C49/00; C07C49/92; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/259; Y10T442/2607
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
34 words
A WATER-SOLUBLE WERNER COMPLEX COMPOUND IN WHICH A TRIVALENT NUCLEAR METAL ATOM, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF CHROMIUM AND ALUMINUM. IS COORDINATED WITH AN ORTHO-HYDROXYL SUBSTITUTED BENZOPHENONE HAVING THE FORMULA:
Claim 2
Dependent Claim
34 words
A WATER-SOLUBLE WERNER COMPLEX COMPOUND IN WHICH A TRIVALENT NUCLEAR METAL ATOM, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF CHROMIUM AND ALUMINUM. IS COORDINATED WITH AN ORTHO-HYDROXYL SUBSTITUTED BENZOPHENONE HAVING THE FORMULA:
Claim 3
Dependent Claim
37 words
IN A PROCESS FOR APPLYING A SURFACE COATING OF ULTRAVIOLET RADIATION ABSORBING MATERIAL TO AN ARTICLE, THE STEP COMPRISING EFFECTING CONTACT OF SAID SURFACE WITH A WATERSOLUBLE WERNER COMPLEX COMPOUND COMPOSITION AS SET FORTH IN CLAIM 1.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |