Patent US2567026A successfully refreshed from Google Patents.
US2567026A
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Bicyclooctane acetic acid and esters thereof
Assignee: Dow Chemical Co
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Filing: 1949-04-02
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Granted: 1951-09-04
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Expires: 1969-04-02
Abstract
No abstract record available.
Inventors
- 👤 Earl L Pelton
- 👤 Glenn C Wiggins
- 👤 Gerald M Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:18
CPC Classifications
C; C07; C07C; C07C405/00; C07C405/005; C07C405/0075; C07C69/00; C07C69/52; C07C69/533; C07C69/54; C07C69/74; C07C69/753; C07C2601/00; C07C2601/12; C07C2601/14; C07C2602/00; C07C2602/36; C07C2602/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AS A NEW CHEMICAL COMPOUND, A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) THE MONOCARBOXYLIC ACID, C10H16O2 MELTING AT 49.349.5* C. AND DISTILLING AT ABOUT 160* C. AT A 14-15 MILLIMETERS OF MERCURY, ABSOLUTE PRESSURE, PRODUCED BY HEATING HYDROXY - TETRAHYDRO - NORDICYCLOPENTADIENE WITH A FUSED ALKALI METAL HYDROXIDE AT A TEMPERATURE IN THE RANGE FROM 275* TO 375* C., AND (B) ESTERS OF SAID ACID, WHEREIN THE ESTERIFYING RADICAL IS SELECTED FROM THE CLASS CONSISTING OF LOWER ALKYL GROUPS AND LOWER ALKYLOXYALKYL GROUPS, THE NUMBER OF CARBON ATOMS IN EACH SUCH ALKYL GROUP BEING FROM 1 TO 4, INCLUSIVE.
Claim 2
Dependent Claim
101 words
AS A NEW CHEMICAL COMPOUND, A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) THE MONOCARBOXYLIC ACID, C10H16O2 MELTING AT 49.349.5* C. AND DISTILLING AT ABOUT 160* C. AT A 14-15 MILLIMETERS OF MERCURY, ABSOLUTE PRESSURE, PRODUCED BY HEATING HYDROXY - TETRAHYDRO - NORDICYCLOPENTADIENE WITH A FUSED ALKALI METAL HYDROXIDE AT A TEMPERATURE IN THE RANGE FROM 275* TO 375* C., AND (B) ESTERS OF SAID ACID, WHEREIN THE ESTERIFYING RADICAL IS SELECTED FROM THE CLASS CONSISTING OF LOWER ALKYL GROUPS AND LOWER ALKYLOXYALKYL GROUPS, THE NUMBER OF CARBON ATOMS IN EACH SUCH ALKYL GROUP BEING FROM 1 TO 4, INCLUSIVE.
References Cited (Backward Citations)
US2010692A
Cited
US2427344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |