Patent US2600764A successfully refreshed from Google Patents.
US2600764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenated products
Assignee: Harvel Research Corp
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Filing: 1952-02-29
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Granted: 1952-06-17
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Expires: 1972-02-29
Abstract
No abstract record available.
Inventors
- 👤 Mortimer T Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:08
CPC Classifications
C; C08; C08L; C08L59/00; Y; Y10; Y10S; Y10S525/00; Y10S525/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A PARTIALLY HDROGENATED PRODUCT SELECTED FROM THE GROUP CONSISTING OF (A) PARIALLY HYDROGENATED REACTION MASSES, SAID REACTION MASSES, BEFORE HYDROGENATION HAVING A VISCOSITY OF AT LEAST 50 CENTIPOSES AT 25* C. AND HAVING A RESINOUS CONTENT OF AT LEAST 5% BY WEIGHT AND PRODUCED BY REACTING UNDER ALKALINE CONDITIONS FURFURALDEHYDE AND A KETONE HAVING TWO HYDROGEN ATOMS ON AN ALPHA CARBON AND (B) PARTIALLY HYDROGENATED RESIDUES, SAID REDUCES BEFORE HYDROGENATION HAVING A RESINOUS CONTENT OF AT LEAST 5% BY WEIGHT AND BEING THE RESIDUES PRODUCED BY HEAT DISTILLING SAID MASSES UNTIL THE QUANTITY BY WEIGTH OF SAID RESIDUES MEASURES NOT LESS THAN 60% OF THE WEIGHT OF SAID MASSES, SAID PARTIALLY HYDROGENATED PRODUCT SATURATED WITH HYDROGEN TO THE EXTENT OF NO LESS THAN APPROZIMATELY 15% AND NO MORE THAN APPROXIMATELY 65% THE NORMALLY PRESENT CARBON TO CARBON DOUBLE BONDS IN SAID PRODUCT BEFORE HYDROGENATION, SAID HYDROGENATED PRODUCT CHARACTERIZED BY BEING CAPABLE OF BEING CONVERTED TO THE SUBSTANTIALLY SOLID AND INFUSIBLE STATE WHEN A MIXTURE THEROF AND AN ACIDIC AGENT IN AMOUNT SUFFICIENT TO IMPART A PH OF 2.5 TO SAID MIXTURE IS MAINTAINED AT 300* F. FOR A PEROID OF 24 HOURS.
Claim 2
Dependent Claim
192 words
A PARTIALLY HDROGENATED PRODUCT SELECTED FROM THE GROUP CONSISTING OF (A) PARIALLY HYDROGENATED REACTION MASSES, SAID REACTION MASSES, BEFORE HYDROGENATION HAVING A VISCOSITY OF AT LEAST 50 CENTIPOSES AT 25* C. AND HAVING A RESINOUS CONTENT OF AT LEAST 5% BY WEIGHT AND PRODUCED BY REACTING UNDER ALKALINE CONDITIONS FURFURALDEHYDE AND A KETONE HAVING TWO HYDROGEN ATOMS ON AN ALPHA CARBON AND (B) PARTIALLY HYDROGENATED RESIDUES, SAID REDUCES BEFORE HYDROGENATION HAVING A RESINOUS CONTENT OF AT LEAST 5% BY WEIGHT AND BEING THE RESIDUES PRODUCED BY HEAT DISTILLING SAID MASSES UNTIL THE QUANTITY BY WEIGTH OF SAID RESIDUES MEASURES NOT LESS THAN 60% OF THE WEIGHT OF SAID MASSES, SAID PARTIALLY HYDROGENATED PRODUCT SATURATED WITH HYDROGEN TO THE EXTENT OF NO LESS THAN APPROZIMATELY 15% AND NO MORE THAN APPROXIMATELY 65% THE NORMALLY PRESENT CARBON TO CARBON DOUBLE BONDS IN SAID PRODUCT BEFORE HYDROGENATION, SAID HYDROGENATED PRODUCT CHARACTERIZED BY BEING CAPABLE OF BEING CONVERTED TO THE SUBSTANTIALLY SOLID AND INFUSIBLE STATE WHEN A MIXTURE THEROF AND AN ACIDIC AGENT IN AMOUNT SUFFICIENT TO IMPART A PH OF 2.5 TO SAID MIXTURE IS MAINTAINED AT 300* F. FOR A PEROID OF 24 HOURS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |