Patent US2582704A successfully refreshed from Google Patents.
US2582704A
Expired / Lapsed
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Reaction products of a polyethylene melamine and an alkyd resin
Assignee: Wyeth Holdings LLC
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Filing: 1950-11-25
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Granted: 1952-01-15
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Expires: 1970-11-25
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kropa
- 👤 Henry P Wohnsiedler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:17
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/0622; C08G73/0638; C08G73/0644; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08G73/02; C08G73/0273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COMPOSITION COMPRISING THE PRODUCT OF REACTION OF INGREDIENTS COMPRISING (1) A POLYETHYLENE MELAMINE WHICH IS A POLYAMINO-S-TRIAZINE WHEREIN AT LEAST TWO OF THE AMINO NITROGEN ATOMS EACH HAS ONE ETHYLENE GROUP ATTACHED THERETO INSTEAD OF THE TWO HYDROGEN ATOMS AND (2) AN ALKYD RESIN CONTAINING UNESTERIFIED HYDROXYL GROUPS, THE AMOUNT OF POLYHYDRIC ALCOHOL USED IN THE PREPARATION OF SAID ALKYD RESIN BEING AT LEAST 25% IN EXCESS OF THE THEORETICAL AMOUNT REQUIRED FOR COMPLETE ESTERIFICATION OF THE CARBOXYL GROUPS OF THE CARBOXYLIC COMPONENT OF THE SAID ALKYD RESIN.
Claim 2
Dependent Claim
89 words
A COMPOSITION COMPRISING THE PRODUCT OF REACTION OF INGREDIENTS COMPRISING (1) A POLYETHYLENE MELAMINE WHICH IS A POLYAMINO-S-TRIAZINE WHEREIN AT LEAST TWO OF THE AMINO NITROGEN ATOMS EACH HAS ONE ETHYLENE GROUP ATTACHED THERETO INSTEAD OF THE TWO HYDROGEN ATOMS AND (2) AN ALKYD RESIN CONTAINING UNESTERIFIED HYDROXYL GROUPS, THE AMOUNT OF POLYHYDRIC ALCOHOL USED IN THE PREPARATION OF SAID ALKYD RESIN BEING AT LEAST 25% IN EXCESS OF THE THEORETICAL AMOUNT REQUIRED FOR COMPLETE ESTERIFICATION OF THE CARBOXYL GROUPS OF THE CARBOXYLIC COMPONENT OF THE SAID ALKYD RESIN.
References Cited (Backward Citations)
US2524727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |