Patent US1355692A successfully refreshed from Google Patents.
Patent US3358047A successfully refreshed from Google Patents.
US3358047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear alkylbenzene compositions
Assignee: Honeywell International Inc
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Filing: 1965-03-11
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Granted: 1967-12-12
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Expires: 1985-03-11
Abstract
No abstract record available.
Inventors
- 👤 Liston Thomas Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:26
CPC Classifications
C; C07; C07C; C07C309/00; C07C15/00; C07C15/02; C07C15/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AS A NEW COMPOSITION OF MATTER, A MIXTURE OF ESSENTIALLY NORMAL PHENYLALKANES THE N-ALKYL SUBSTITUENTS OF WHICH CONTAIN FROM 8 TO 18 CARBON ATOMS, AND IN WHICH THE PROPORTION OF THE 2-PHENYL ISOMER OF EACH ISOMERIC GROUP PRESENT IN SIGNIFICANT AMOUNT IS AT LEAST ABOUT 5% HIGHER THAN THE PROPORTION OF THE 2-PHENYL ISOMER OF THE NEXT HIGHER GROUP, EACH WITH RESPECT TO ITS OWN ISOMERIC GROUP.
Claim 2
Dependent Claim
67 words
AS A NEW COMPOSITION OF MATTER, A MIXTURE OF ESSENTIALLY NORMAL PHENYLALKANES THE N-ALKYL SUBSTITUENTS OF WHICH CONTAIN FROM 8 TO 18 CARBON ATOMS, AND IN WHICH THE PROPORTION OF THE 2-PHENYL ISOMER OF EACH ISOMERIC GROUP PRESENT IN SIGNIFICANT AMOUNT IS AT LEAST ABOUT 5% HIGHER THAN THE PROPORTION OF THE 2-PHENYL ISOMER OF THE NEXT HIGHER GROUP, EACH WITH RESPECT TO ITS OWN ISOMERIC GROUP.
References Cited (Backward Citations)
US3121123A
Cited
US3235616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |