US2652373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of matter with plastic bonding and method of making from cresol-formaldehyde, comminuted wood, and sodium silicate
Assignee: Individual
•
Filing: 1950-04-29
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Granted: 1953-09-15
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Expires: 1970-04-29
Abstract
No abstract record available.
Inventors
- 👤 Souren Z Avedikian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:07
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/10; C08L; C08L97/00; C08L97/02; C08L2201/00; C08L2201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF MAKING A MOLDED COMPOSITION OF MATTER FROM WASTE WOOD, WHICH METHOD COMPRISES ADDING TO SAID WASTE WOOD, WITH THE LATTER IN COMMINUTED CONDITION, AN ALDEHYDE DISSOLVED IN A MIXTURE OF META-PARA-CRESOLS OF WHICH AT LEAST 55% IS META-CRESOL, THOROUGHLY MIXING THE WASTE WOOD, ALDEHYDE AND CRESOL MIXTURE, THEN ADDING TO THE MIXTURE A WATERSOLUBLE ALKALI METAL SILICATE CATALYST, THEN WITH THE ALDEHYDE AND CRESOL MIXTURE REMAINING IN AN UNREACTED CONDITION, PLACING THE MIXED MATERIALS IN A MOLD HAVING A TEMPERATURE OF AT LEAST 120* C., AND REACTING THE MATERIALS UNDER HEAT AND UNDER A PRESSURE OF AT LEAST 150 POUNDS PER SQUARE INCH UNTIL THEY PRODUCE A RESIT.
Claim 2
Independent Claim
111 words
THE METHOD OF MAKING A MOLDED COMPOSITION OF MATTER FROM WASTE WOOD, WHICH METHOD COMPRISES ADDING TO SAID WASTE WOOD, WITH THE LATTER IN COMMINUTED CONDITION, AN ALDEHYDE DISSOLVED IN A MIXTURE OF META-PARA-CRESOLS OF WHICH AT LEAST 55% IS META-CRESOL, THOROUGHLY MIXING THE WASTE WOOD, ALDEHYDE AND CRESOL MIXTURE, THEN ADDING TO THE MIXTURE A WATERSOLUBLE ALKALI METAL SILICATE CATALYST, THEN WITH THE ALDEHYDE AND CRESOL MIXTURE REMAINING IN AN UNREACTED CONDITION, PLACING THE MIXED MATERIALS IN A MOLD HAVING A TEMPERATURE OF AT LEAST 120* C., AND REACTING THE MATERIALS UNDER HEAT AND UNDER A PRESSURE OF AT LEAST 150 POUNDS PER SQUARE INCH UNTIL THEY PRODUCE A RESIT.
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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |