Patent US2874134A successfully refreshed from Google Patents.
US2874134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of glue from soluble blood
Assignee: American Marietta Co
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Filing: 1955-06-01
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Granted: 1959-02-17
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Expires: 1975-06-01
Abstract
No abstract record available.
Inventors
- 👤 John M Gossett
- 👤 Jr Max H Estep
- 👤 Mahlon J Perrine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:12
CPC Classifications
C; C09; C09J; C09J189/00; C09J189/005; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31768; Y10T428/31772; Y10T428/31942; Y10T428/31949; Y10T428/31957
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
169 words
THE PROCESS OF PRODUCING A GLUE WHICH ALTHOUGH CONTAINING A BLOOD ADHESIVE CONSTITUENT MINIMIZES STAINING OF A LIGHT-COLOURED THIN VENEER WHEN A GLUE IS APPLIED THERETO, COMPRISING PROVIDING AN AQUEOUS SOLUTION OF SOLUBLE DRIED BLOOD, HEAT-COAGULATION THE BLOOD IN SAID SOLUTION AND INCREASING ITS TEMPERATURE TO ABOVE 120*F. BY THE ADDITION TO SAID SOLUTION OF HOT WATER AT APPROXIMATELY THE BOILING POINT WHILE AGITATING THE SOLUTION FOR MAINTAINING THE COAGULATED BLOOD PARTICLES IN FINELY DIVIDED CONDITION AND DISPERSED THROUGHOUT THE AQUEOUS MEDIUM, INTRODUCING AN ALKALI METAL SILICATE INTO THE RESULTING BLOOD DISPERSION WHILE MAINTAINING THE LATTER IN AQUEOUS FORM AT A TEMPERATURE BELOW 120*F., SAID ALKALI METAL SILICATE RAISING THE PH OF THE DISPERSION MEDIUM ABOVE 9 WHILE SIMULTANEOUSLY SWELLING THE BLOOD PARTICLES OF THE BLOOD DISPERSION, AND THEN REDUCING THE PENETRATION PROPERTIES OF THE RESULTING GLUE AND SUBSTANTIALL TRATION PROPERTIES OF THE RESULTING GLUE AND SUBSTANTIALY INHIBITING STAINING OF A THIN VENEER WHEN THE GLUE IS APPLIED THERETO BY REDUCING THE PH OF THE GLUE TO BELOW 9.
Claim 2
Dependent Claim
169 words
THE PROCESS OF PRODUCING A GLUE WHICH ALTHOUGH CONTAINING A BLOOD ADHESIVE CONSTITUENT MINIMIZES STAINING OF A LIGHT-COLOURED THIN VENEER WHEN A GLUE IS APPLIED THERETO, COMPRISING PROVIDING AN AQUEOUS SOLUTION OF SOLUBLE DRIED BLOOD, HEAT-COAGULATION THE BLOOD IN SAID SOLUTION AND INCREASING ITS TEMPERATURE TO ABOVE 120*F. BY THE ADDITION TO SAID SOLUTION OF HOT WATER AT APPROXIMATELY THE BOILING POINT WHILE AGITATING THE SOLUTION FOR MAINTAINING THE COAGULATED BLOOD PARTICLES IN FINELY DIVIDED CONDITION AND DISPERSED THROUGHOUT THE AQUEOUS MEDIUM, INTRODUCING AN ALKALI METAL SILICATE INTO THE RESULTING BLOOD DISPERSION WHILE MAINTAINING THE LATTER IN AQUEOUS FORM AT A TEMPERATURE BELOW 120*F., SAID ALKALI METAL SILICATE RAISING THE PH OF THE DISPERSION MEDIUM ABOVE 9 WHILE SIMULTANEOUSLY SWELLING THE BLOOD PARTICLES OF THE BLOOD DISPERSION, AND THEN REDUCING THE PENETRATION PROPERTIES OF THE RESULTING GLUE AND SUBSTANTIALL TRATION PROPERTIES OF THE RESULTING GLUE AND SUBSTANTIALY INHIBITING STAINING OF A THIN VENEER WHEN THE GLUE IS APPLIED THERETO BY REDUCING THE PH OF THE GLUE TO BELOW 9.
Claim 3
Dependent Claim
29 words
THE PROCESS DEFINED IN CLAIM 12 IN WHICH THE REDUCTION OF THE PH OF THE GLUE TO BELOW 9 IS EFFECTED BY INCORPORATING IN THE GLUE A UREA-ALDEHYDE RESIN.
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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |