Patent US3004035A successfully refreshed from Google Patents.
US3004035A
Expired / Lapsed
US
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Dialkylphenol condensation products
Assignee: EIDP Inc
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Filing: 1959-08-31
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Granted: 1961-10-10
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Expires: 1979-08-31
Abstract
No abstract record available.
Inventors
- 👤 Csendes Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:41
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/21; C07; C07C; C07C275/00; C07C275/04; C07C275/20; C07C275/24; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/32; C08K5/34; C08K5/3442; C08K5/3445; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
13 words
A COMPOUND TAKEN FROM THE GROUP CONSISTING OF THOSE COMPOUNDS HAVING THE STRUCTURE
Claim 2
Dependent Claim
13 words
A COMPOUND TAKEN FROM THE GROUP CONSISTING OF THOSE COMPOUNDS HAVING THE STRUCTURE
Claim 3
Dependent Claim
3 words
THE COMPOUND 1,3-BIS(3-TERT-BUTYL-4-HYDROXY-5METHYLBENZYL)-2-IMIDAZOLIDONE.
Claim 4
Dependent Claim
3 words
THE COMPOUND 1,3-BIS(3-TERT-BUTYL-4-HYDROXY-5METHYLBENZYL)-2-IMIDAZOLIDONE.
References Cited (Backward Citations)
GB773874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |