US2512418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesives from blood hemoglobin, formaldehyde, and ethylene diamine
Assignee: Armour and Co
•
Filing: 1947-12-09
•
Granted: 1950-06-20
•
Expires: 1967-12-09
Abstract
No abstract record available.
Inventors
- 👤 Earl D Cornwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:30
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/20; C09J161/22; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AN ADHESIVE COMPRISING THE REACTION PRODUCT OF BLOOD HEMOGLOBIN, PARAFORMALDEHYDE, AND ETHYLENE DIAMINE IN THE PRESENCE OF BARIUM PEROXIDE.
Claim 2
Dependent Claim
19 words
AN ADHESIVE COMPRISING THE REACTION PRODUCT OF BLOOD HEMOGLOBIN, PARAFORMALDEHYDE, AND ETHYLENE DIAMINE IN THE PRESENCE OF BARIUM PEROXIDE.
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) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |