US2773848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous compositions
Assignee: Wyeth Holdings LLC
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Filing: 1953-12-21
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Granted: 1956-12-11
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Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 Richard Lindenfelser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:50
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/40; C08L; C08L61/00; C08L61/20; C08L61/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A COMPOSITION OF MATTER COMPRISING A THERMOSETTING PRODUCT OF REACTION OF INGREDIENTS COMPRISING (A) AN ALDEHYDE AND (B) A MONOMERIC AMIDOGEN COMPOUND CONTAINING NOT LESS THAN TWO AMIDOGEN GROUPINGS EACH HAVING AT LEAST ONE HYDROGEN ATOM ATTACHED TO BE AMIDOGEN NITROGEN ATOM, SAID REACTION PRODUCT BEING MODIFIED WITH ALPHA ALKYL-D-GLUCODIDE WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 4 CARBON ATOMS AND SAID GLUCOSIDE BEING PRESENT IN AN AMOUNT VARYING BETWEEN ABOUT 10% TO ABOUT 30% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID REACTION PRODUCT.
Claim 2
Dependent Claim
87 words
A COMPOSITION OF MATTER COMPRISING A THERMOSETTING PRODUCT OF REACTION OF INGREDIENTS COMPRISING (A) AN ALDEHYDE AND (B) A MONOMERIC AMIDOGEN COMPOUND CONTAINING NOT LESS THAN TWO AMIDOGEN GROUPINGS EACH HAVING AT LEAST ONE HYDROGEN ATOM ATTACHED TO BE AMIDOGEN NITROGEN ATOM, SAID REACTION PRODUCT BEING MODIFIED WITH ALPHA ALKYL-D-GLUCODIDE WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 4 CARBON ATOMS AND SAID GLUCOSIDE BEING PRESENT IN AN AMOUNT VARYING BETWEEN ABOUT 10% TO ABOUT 30% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID REACTION PRODUCT.
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) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |