US2776266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partially hydrogenated furfuralketone reaction products with aldehydes
Assignee: Harvel Research Corp
•
Filing: 1952-12-03
•
Granted: 1957-01-01
•
Expires: 1972-12-03
Abstract
No abstract record available.
Inventors
- 👤 Mortimer T Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:10
CPC Classifications
C; C08; C08L; C08L59/00; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/46; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/36; Y; Y10; Y10S; Y10S525/00; Y10S525/94; Y10S525/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
246 words
A NOVEL COMPOSITION OF MATTER BEING CAPABLE OF BEING CONVERTED TO THE SUBSTANTIALLY SOLID AND INFUSIBLE STATE WHEN A 100 GRAM SAMPLE THEREOF IN SUBSTANTIALLY UNIFORM ADMIXTURE WITH 20 GRAMS OF AN ALCOHOLIC SOLUTION CONSISTING OF EQUAL PARTS BY WEIGHT OF ALCOHOL AND PARATOLUENE SULFONIC ACID IS MAINTAINED AT 300*F. FOR 24 HOURS, SAID NOVEL COMPOSITION OF MATTER COMPRISING AN INTIMATE COMBINATION OF (1) AN ALDEHYDE AND (11) A PARTIALLY HYDROGENATED ORGANIC REACTION PRODUCT NORMALLY LIQUID AT 100*C. AND SELECTED FROM THE GROUP CONSISTING OF (A) PARTIALLY HYDROGENATED MONO-FURFURYLIDENE-KETONE, (B) PARTIALLY HYDROGENATED DIFURFURYLIDENE-KETONE, (C) PARTIALLY HYDROGENATED ORGANIC REACTION MASSES, SAID ORGANIC REACTION MASSES BEFORE HYDROGENATION HAVING A VISCOSITY OF AT LEAST 50 CPS. AT 25*C. AND PRODUCED BY REACTING UNDER ALKALINE CONDITIONS FURFURALDEHYDE AND A KETONE HAVING AT LEAST TWO HYDROGEN ATOMS ON AN ALPHA CARBON, (D) PARTIALLY HYDROGENATED RESIDUAL FRACTIONS OF SAID REACTION MASSES, SAID FRACTIONS BEFORE HYDROGENATION OBTAINED BY HEAT DISTILLATION OF SAID REACTION MASSES AND MEASURING BY WEIGHT AT LEAST 50% OF SAID REACTION MASSES, (E) RESIDUAL FRACTIONS OBTAINED BY THE DISTILLATION OF (C) AND MEASURING AT LEAST 60% BY WEIGHT OF (C), (F) POLYMERIZED PRODUCTS PRODUCED BY POLYMERIZING (A)-(E) REPECTIVELY UNDER ACIDIC CONDITIONS, SAID (A)-(D) RESPECTIVELY PRODUCED BY HYDROGENATION MONO-FURFURYLIDENEKETONE, DIFURFURYLIDENE-KETONE, SAID ORGANIC REACTION MASSES AND SAID RESIDUAL FRACTIONS OF SAID ORGANIC REACTION MASSES TO AN EXTENT AT LEAST APPROXIMATELY 15% AND NO MORE THAN APPROXIMATELY 65% OF THAT NECESSARY TO COMPLETELY SATURATE WITH HYDROGEN THE CARBON TO CARBON DOUBLE BONDS THEREOF.
Claim 2
Dependent Claim
246 words
A NOVEL COMPOSITION OF MATTER BEING CAPABLE OF BEING CONVERTED TO THE SUBSTANTIALLY SOLID AND INFUSIBLE STATE WHEN A 100 GRAM SAMPLE THEREOF IN SUBSTANTIALLY UNIFORM ADMIXTURE WITH 20 GRAMS OF AN ALCOHOLIC SOLUTION CONSISTING OF EQUAL PARTS BY WEIGHT OF ALCOHOL AND PARATOLUENE SULFONIC ACID IS MAINTAINED AT 300*F. FOR 24 HOURS, SAID NOVEL COMPOSITION OF MATTER COMPRISING AN INTIMATE COMBINATION OF (1) AN ALDEHYDE AND (11) A PARTIALLY HYDROGENATED ORGANIC REACTION PRODUCT NORMALLY LIQUID AT 100*C. AND SELECTED FROM THE GROUP CONSISTING OF (A) PARTIALLY HYDROGENATED MONO-FURFURYLIDENE-KETONE, (B) PARTIALLY HYDROGENATED DIFURFURYLIDENE-KETONE, (C) PARTIALLY HYDROGENATED ORGANIC REACTION MASSES, SAID ORGANIC REACTION MASSES BEFORE HYDROGENATION HAVING A VISCOSITY OF AT LEAST 50 CPS. AT 25*C. AND PRODUCED BY REACTING UNDER ALKALINE CONDITIONS FURFURALDEHYDE AND A KETONE HAVING AT LEAST TWO HYDROGEN ATOMS ON AN ALPHA CARBON, (D) PARTIALLY HYDROGENATED RESIDUAL FRACTIONS OF SAID REACTION MASSES, SAID FRACTIONS BEFORE HYDROGENATION OBTAINED BY HEAT DISTILLATION OF SAID REACTION MASSES AND MEASURING BY WEIGHT AT LEAST 50% OF SAID REACTION MASSES, (E) RESIDUAL FRACTIONS OBTAINED BY THE DISTILLATION OF (C) AND MEASURING AT LEAST 60% BY WEIGHT OF (C), (F) POLYMERIZED PRODUCTS PRODUCED BY POLYMERIZING (A)-(E) REPECTIVELY UNDER ACIDIC CONDITIONS, SAID (A)-(D) RESPECTIVELY PRODUCED BY HYDROGENATION MONO-FURFURYLIDENEKETONE, DIFURFURYLIDENE-KETONE, SAID ORGANIC REACTION MASSES AND SAID RESIDUAL FRACTIONS OF SAID ORGANIC REACTION MASSES TO AN EXTENT AT LEAST APPROXIMATELY 15% AND NO MORE THAN APPROXIMATELY 65% OF THAT NECESSARY TO COMPLETELY SATURATE WITH HYDROGEN THE CARBON TO CARBON DOUBLE BONDS THEREOF.
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) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |