Patent US2732406A successfully refreshed from Google Patents.
US2732406A
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New asymmetric diphenylol methanes
Assignee: —
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Filing: —
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Granted: 1956-01-24
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Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:17
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C07; C07C; C07C37/00; C07C37/11; C07C37/16; C07C37/18; C07C37/20; C07C39/00; C07C39/12; C07C39/15; C07C39/16; C07C39/17; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C10; C10M; C10M1/00; C10M1/08; C10M129/00; C10M129/02; C10M129/04; C10M129/10; C07C2601/00; C07C2601/12; C07C2601/14; C07C2602/00; C07C2602/36; C07C2602/42; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10N; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
NEW CHEMICAL COMPOUNDS, NAMELY 2:2''-DIHYDROXY5:5''-DIMETHYLDIPHENYLMETHANES TO THE 3 POSITION OF WHICH THERE IS ATTACHED THE TERTIARY CARBON ATOM OF A TERTIARY ALKYL GROUP 4-8 CARBON ATOMS AND TO THE 3'' POSITION A RADICAL OF THE GROUP CONSISTING OF CYCLOHEXYL, BORNYL, ISOBORNYL AND METHYL RADICALS.
Claim 2
Dependent Claim
44 words
NEW CHEMICAL COMPOUNDS, NAMELY 2:2''-DIHYDROXY5:5''-DIMETHYLDIPHENYLMETHANES TO THE 3 POSITION OF WHICH THERE IS ATTACHED THE TERTIARY CARBON ATOM OF A TERTIARY ALKYL GROUP 4-8 CARBON ATOMS AND TO THE 3'' POSITION A RADICAL OF THE GROUP CONSISTING OF CYCLOHEXYL, BORNYL, ISOBORNYL AND METHYL RADICALS.
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) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |