US2587411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acyclic olefinic acid condensation product of polyhydric alcohol compound
Assignee: EDWARD ARTIM
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Filing: 1949-04-27
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Granted: 1952-02-26
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Expires: 1969-04-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:03
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/52; C08; C08L; C08L91/00; C08L91/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE PROCESS OF FORMING A CONDENSATION PRODUCT, WHICH COMPRISES REACTING TOGETHER (1) A POLYHYDRIC ALCOHOL HAVING A FREE SECONDARY ALCOHOL GROUP AND HAVING A PRIMARY ALCOHOL GROUP COMBINED WITH A NONCONJUGATED UNSATURATED ALIPHATIC ACID HAVING FROM TEN TO TWENTY-FOUR CARBON ATOMS IN ITS CARBON CHAIN, AND HAVING ALL PRIMARY ALCOHOL GROUPS ESTERIFIED, WITH FROM ONE TO FIFTEEN PERCENT ON THE WEIGHT OF THE POLYHYDRIC ALCOHOL ESTER OF (2) AN ACYCLIC OLEFINIC ACID HAVING LESS THAN TEN CARBON ATOMS IN ITS CARBON CHAIN AT A TEMPERATURE ABOVE 100 AND BELOW 150* C. FOR A TIME OF AT LEAST 15 MINUTES, WHILE MAINTAINING THE ACYCLIC OLEFINIC ACID FREE FROM ESTERIFICATION IN SAID REACTION.
Claim 2
Dependent Claim
111 words
THE PROCESS OF FORMING A CONDENSATION PRODUCT, WHICH COMPRISES REACTING TOGETHER (1) A POLYHYDRIC ALCOHOL HAVING A FREE SECONDARY ALCOHOL GROUP AND HAVING A PRIMARY ALCOHOL GROUP COMBINED WITH A NONCONJUGATED UNSATURATED ALIPHATIC ACID HAVING FROM TEN TO TWENTY-FOUR CARBON ATOMS IN ITS CARBON CHAIN, AND HAVING ALL PRIMARY ALCOHOL GROUPS ESTERIFIED, WITH FROM ONE TO FIFTEEN PERCENT ON THE WEIGHT OF THE POLYHYDRIC ALCOHOL ESTER OF (2) AN ACYCLIC OLEFINIC ACID HAVING LESS THAN TEN CARBON ATOMS IN ITS CARBON CHAIN AT A TEMPERATURE ABOVE 100 AND BELOW 150* C. FOR A TIME OF AT LEAST 15 MINUTES, WHILE MAINTAINING THE ACYCLIC OLEFINIC ACID FREE FROM ESTERIFICATION IN SAID REACTION.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |