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US2834675A
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Polyalkylene-polyamine resinous composition, method of making paper using same and paper containing same
Assignee: Wyeth Holdings LLC
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Filing: 1954-07-22
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Granted: 1958-05-13
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Expires: 1974-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jen Yun
- 👤 Sewell T Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:30
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/46; C08G73/00; C08G73/02; C08G73/0206; D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/07; D21H17/20; D21H17/33; D21H17/34; D21H17/37; D21H17/375; D21H17/41; D21H17/44; D21H17/45; D21H17/455; D21H17/46; D21H17/54; D21H17/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A RESINOUS COMPOSITION OF MATTER HAVING A VISCOSITY OF FROM ABOUT A AND Z6 AT 33% RESIN SOLIDS MEASURS AT 25*C. ON THE GARDNER-HOLDT SCALE WHICH COMPRISES THE REACTON PRODUCT OF A DIHALOALKANE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
37 words
A RESINOUS COMPOSITION OF MATTER HAVING A VISCOSITY OF FROM ABOUT A AND Z6 AT 33% RESIN SOLIDS MEASURS AT 25*C. ON THE GARDNER-HOLDT SCALE WHICH COMPRISES THE REACTON PRODUCT OF A DIHALOALKANE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2595935A
Cited
US2616874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |