US2875241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New polyhydroxy alcohols and polyesters and novel process of preparing such compounds
Assignee: Monsanto Chemicals Ltd
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Filing: 1955-12-27
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Granted: 1959-02-24
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Expires: 1975-12-27
Abstract
No abstract record available.
Inventors
- 👤 Robert E Miller
- 👤 George E Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:50
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/18; C07C67/00; C07C67/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AS COMPOUNDS, ALPHA, OMEGA-ALKANEDIOLS CONTAINING AT LEAST SEVEN AND NO MORE THAN NINETEEN CARBON ATOMS IN A STRAIGHT CHAIN, SAID ALKANEDIOLS HAVING AT LEAST ONE ALKYLOL SUBSTITUENT CONTAINING NO MORE THAN EIGHT CARBON ATOMS, ALL SUCH ALKYLOL SUBSTITUENTS BEING ON DIFFERENT CARBON ATOMS, SAID CARBON ATOMS BEING NON-ADJACENT TO THE CARBINOL CARBON ATOMS OF SAID ALKANEDIOL AND ALL OF THE ALCOHOLIC GROUP IN THE COMPOUNDS BEING PRIMARY.
Claim 2
Dependent Claim
67 words
AS COMPOUNDS, ALPHA, OMEGA-ALKANEDIOLS CONTAINING AT LEAST SEVEN AND NO MORE THAN NINETEEN CARBON ATOMS IN A STRAIGHT CHAIN, SAID ALKANEDIOLS HAVING AT LEAST ONE ALKYLOL SUBSTITUENT CONTAINING NO MORE THAN EIGHT CARBON ATOMS, ALL SUCH ALKYLOL SUBSTITUENTS BEING ON DIFFERENT CARBON ATOMS, SAID CARBON ATOMS BEING NON-ADJACENT TO THE CARBINOL CARBON ATOMS OF SAID ALKANEDIOL AND ALL OF THE ALCOHOLIC GROUP IN THE COMPOUNDS BEING PRIMARY.
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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |