Patent US3046240A successfully refreshed from Google Patents.
US3046240A
Expired / Lapsed
US
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Thermo-setting cement containing furfural and pitch
Assignee: Union Carbide Corp
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Filing: 1959-02-24
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Granted: 1962-07-24
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Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 Lester L Winter
- 👤 Edstrom Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:52
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A THERMOSETTING CEMENT FOR JOINING CARBONACEOUS ARTICLES, SAID CEMENT CONSISTING OF ABOUT 60 PERCENT TO 50 PERCENT OF A POTCH, ABOUT 40 PERCENTO 50 PERCENT IN THE AGGREGATED OF AT LEAST ONE OF THE MATERIALS IN THE GROUP CONSISTING OF FURFURAL AND FURFURYL ALCOHOL, AND ABOUT TWO TO 10 PERCENT OF AN CATALYST; SAID PITCH HAVING A MELTING POINT OF BETWEEN 150*C. AND 225*C., A COKING VALUE AT 1000*C. OF FROM 60 PERCENT TO 80 PERCENT, HAVINNG A SOLUBILITY IN QUINOLINE OF 75 PERCENT TO 85 PERCENT, HAVING A SPECIFIC GRAVITY OF AT LEAST 1.25, AND BEIING COMPCATIBLE WITH FURFURYL COMPOUNDS AT TEMPERATURE BELOW 100*C., SAID PERCENTAGES BASED ON THE TOTALL WEIGHT OF SAID CEMENT.
Claim 2
Dependent Claim
115 words
A THERMOSETTING CEMENT FOR JOINING CARBONACEOUS ARTICLES, SAID CEMENT CONSISTING OF ABOUT 60 PERCENT TO 50 PERCENT OF A POTCH, ABOUT 40 PERCENTO 50 PERCENT IN THE AGGREGATED OF AT LEAST ONE OF THE MATERIALS IN THE GROUP CONSISTING OF FURFURAL AND FURFURYL ALCOHOL, AND ABOUT TWO TO 10 PERCENT OF AN CATALYST; SAID PITCH HAVING A MELTING POINT OF BETWEEN 150*C. AND 225*C., A COKING VALUE AT 1000*C. OF FROM 60 PERCENT TO 80 PERCENT, HAVINNG A SOLUBILITY IN QUINOLINE OF 75 PERCENT TO 85 PERCENT, HAVING A SPECIFIC GRAVITY OF AT LEAST 1.25, AND BEIING COMPCATIBLE WITH FURFURYL COMPOUNDS AT TEMPERATURE BELOW 100*C., SAID PERCENTAGES BASED ON THE TOTALL WEIGHT OF SAID CEMENT.
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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |