US2850398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dextran bone glue adhesives
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1956-06-18
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Granted: 1958-09-02
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Expires: 1976-06-18
Abstract
No abstract record available.
Inventors
- 👤 Everett E Witt
- 👤 Jr Frederick W Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:40
CPC Classifications
C; C09; C09D; C09D189/00; C09D189/04; C09D189/06; C08; C08L; C08L5/00; C08L5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN ADHESIVE COMPOSITION BASED ON BONE GLUE AND CONTAINING, IN ADDITION TO THE BONE GLUE, A DEXTRAN COMPONENT HAVING MAXIMUM MOLECULAR LINEARITY AS INDICATED BY A HIGH ALPHA-1,6 TO NON-1,6 REPEATING GLUCOSIDIC RATIO, THE DEXTRAN BEING PRESENT IN AN AMOUNT OF 5% TO 10% BY WEIGHT BASED ON THE COMBINED WEIGHTS OF THE BONE GLUE AND DEXTRAN, THE WATER RESISTANCE, TACK, AND RESISTANCE TO BACTERIAL AND ENZXYMIC ATTACK AS WELL AS THE GRAB OF THE COMPOSITION BEING UPGRADED BY THE DEXTRAN AS COMPARED TO THOSE PROPERTIES NORMALLY EXHIBITED BY ADHESIVES BASED ON BONE-FLUE BUT NOT CONTAINING SAID DEXTRAN.
Claim 2
Dependent Claim
98 words
AN ADHESIVE COMPOSITION BASED ON BONE GLUE AND CONTAINING, IN ADDITION TO THE BONE GLUE, A DEXTRAN COMPONENT HAVING MAXIMUM MOLECULAR LINEARITY AS INDICATED BY A HIGH ALPHA-1,6 TO NON-1,6 REPEATING GLUCOSIDIC RATIO, THE DEXTRAN BEING PRESENT IN AN AMOUNT OF 5% TO 10% BY WEIGHT BASED ON THE COMBINED WEIGHTS OF THE BONE GLUE AND DEXTRAN, THE WATER RESISTANCE, TACK, AND RESISTANCE TO BACTERIAL AND ENZXYMIC ATTACK AS WELL AS THE GRAB OF THE COMPOSITION BEING UPGRADED BY THE DEXTRAN AS COMPARED TO THOSE PROPERTIES NORMALLY EXHIBITED BY ADHESIVES BASED ON BONE-FLUE BUT NOT CONTAINING SAID DEXTRAN.
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |