US2632700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resins and process of preparing same
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-10-29
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Granted: 1953-03-24
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Expires: 1969-10-29
Abstract
No abstract record available.
Inventors
- 👤 George E Niles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:23
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/40; C08G12/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS OF PREPARING NITROGEN-CONTAINING THERMOSETTING RESINS WHICH COMPRISES REACTING 1 MOLECULAR PROPORTION OF AN AMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA, THIOUREA, CYANAMIDE, DICYANDIAMIDE, GUANIDINE AND AMINOTRIAZINES HAVING AT LEAST TWO PRIMARY AMINO GROUPS WITH FROM ABOUT 0.5 TO 2 MOLECULAR PROPORTIONS, BASED ON EACH AMINO GROUP IN SAID AMINO COMPOUNDS, OF AN ALDEHYDE IN AN AQUEOUS SOLUTION AT A PH BETWEEN ABOUT 7.0 AND 10.0 TO FORM AN AMINO COMPOUND-ALDEHYDE CONDENSATE, ADDING FROM ABOUT 0.05 TO 0.5 MOLECULAR PROPORTION OF A WATER-SOLUBLE SALT OF A HYDROXY ORGANIC SULFONIC ACID HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
97 words
A PROCESS OF PREPARING NITROGEN-CONTAINING THERMOSETTING RESINS WHICH COMPRISES REACTING 1 MOLECULAR PROPORTION OF AN AMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA, THIOUREA, CYANAMIDE, DICYANDIAMIDE, GUANIDINE AND AMINOTRIAZINES HAVING AT LEAST TWO PRIMARY AMINO GROUPS WITH FROM ABOUT 0.5 TO 2 MOLECULAR PROPORTIONS, BASED ON EACH AMINO GROUP IN SAID AMINO COMPOUNDS, OF AN ALDEHYDE IN AN AQUEOUS SOLUTION AT A PH BETWEEN ABOUT 7.0 AND 10.0 TO FORM AN AMINO COMPOUND-ALDEHYDE CONDENSATE, ADDING FROM ABOUT 0.05 TO 0.5 MOLECULAR PROPORTION OF A WATER-SOLUBLE SALT OF A HYDROXY ORGANIC SULFONIC ACID HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2444802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |