US2816874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous composition comprising acid adducts and certain aminoplast resins dissolvedin glycols
Assignee: Wyeth Holdings LLC
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Filing: 1954-02-01
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Granted: 1957-12-17
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Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Schmutzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:48
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A COMPOSITION OF MATTER COMPRISING FROM ABOUT 20% TO ABOUT 80% OF (1) THE REACTION PRODUCT OF BETWEEN ABOUT 15% AND 36% OF AN ALPHA, BETA ETHYLENICALLY UNSATURATED CARBOXYLIC ACID AND BETWEEN ABOUT 85% AND 64% OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) AN ETHYLENICALLY UNSATURATED FATTY OIL ACID HAVING BETWEEN 12 AND 20 CARBON ATOMS AND (B) THE RESIDUAL PITCH RESULTING FROM THE DISTILLATION OF AN ETHYLENICALLY UNSATURATED FATTY OIL ACID HAVING BEEN 12 AND 20 CARBON ATOMS AND CORRESPONDINGLY FROM ABOUT 80% RO ABOUT 20% OF (2) A FORMALDEHYDE CONDENSATION PRODUCT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DICYANDIAMIDE, AMINOBIGUANIDE AMD GUANYLUREA, DISPERSED IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, DIETHYLENE GLYCOL, PROPYLENE GLYCOL AND DIPROPYLENE GLYCOL.
Claim 2
Dependent Claim
128 words
A COMPOSITION OF MATTER COMPRISING FROM ABOUT 20% TO ABOUT 80% OF (1) THE REACTION PRODUCT OF BETWEEN ABOUT 15% AND 36% OF AN ALPHA, BETA ETHYLENICALLY UNSATURATED CARBOXYLIC ACID AND BETWEEN ABOUT 85% AND 64% OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) AN ETHYLENICALLY UNSATURATED FATTY OIL ACID HAVING BETWEEN 12 AND 20 CARBON ATOMS AND (B) THE RESIDUAL PITCH RESULTING FROM THE DISTILLATION OF AN ETHYLENICALLY UNSATURATED FATTY OIL ACID HAVING BEEN 12 AND 20 CARBON ATOMS AND CORRESPONDINGLY FROM ABOUT 80% RO ABOUT 20% OF (2) A FORMALDEHYDE CONDENSATION PRODUCT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DICYANDIAMIDE, AMINOBIGUANIDE AMD GUANYLUREA, DISPERSED IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, DIETHYLENE GLYCOL, PROPYLENE GLYCOL AND DIPROPYLENE GLYCOL.
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) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |