US2822340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame resistant polyester resinous compositions containing combined halogens and phosphorous and certain alkaline earth metal salts and the process of preparing the same
Assignee: Wyeth Holdings LLC
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Filing: 1955-10-12
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Granted: 1958-02-04
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Expires: 1975-10-12
Abstract
No abstract record available.
Inventors
- 👤 Mcgovern John David
- 👤 Duhnkrack George Bliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:35
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/692; C08G63/6924; C08G63/6928; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
A CLEAR, FLAME-RESISTANT SELF-EXTINGUISHING RESINOUS COMPOSITION RESISTANT TO DISCOLORING EFFECTS OF HEAT AND LIGHT, COMPRISING THE REACTION PRODUCT OF (1) A POLYMERIZABLE ETHYLENICALLY UNSATURATED POLYCARBOCYLIC ACID-POLYHYDRIC ALCOHOL-ALKYL PHOSPHATE POLYESTER OBTAINED AS THE REACTION PRODUCT OF A POLYHYDRIC ALCOHOL AND AN ETHYLENICALLY UNSATURATED POLYCARBOXYLIC ACID WHEREIN THE POLYESTER CONTAINS A HALOGENATED MEMBER SELECTED FROM THE GROUP CONSISTING OF A HALOGENATED POLYHYDRIC ALCOHOL AND A HALOGENATED POLYCARBOXYLIC ACID IN WHICH THE HALO GROUP IS A MEMBER OF THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE AND IS PRESENT IN AN AMOUNT TO YIELD FROM ABOUT 5% TO ABOUT 50% BY WEIGHT OF SAID PRODUCT AND AN ALKYL PHOSPHATE WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 4 CARBON ATOMS AND IS PRESENT IN AN AMOUNT TO YIELD FROM ABOUT 0U9% TO ABOUT 5% BY WEIGHT OF SAID PRODUCT, (2) A POLYMERIZABLE MONOMER CONTAINING A POLYMERIZABLE CH2=C< GROUP AND HAVING A BOILING POINT OF AT LEAST 60* C., (3) FROM 0.1% OF 10% BASED ON THE TOTAL WEIGHT OF (1) AND (2) OF AN ALKALINE EARTH METAL SALT OF FATTY OIL ACIDS HAVING FROM 8 TO 20 CARBON ATOMS, (4) FROM ABOUT 0.01% TO ABOUT 5% BY WEIGHT BASED ON THE TOTAL WEIGHT OF (1) AND (2) A COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
210 words
A CLEAR, FLAME-RESISTANT SELF-EXTINGUISHING RESINOUS COMPOSITION RESISTANT TO DISCOLORING EFFECTS OF HEAT AND LIGHT, COMPRISING THE REACTION PRODUCT OF (1) A POLYMERIZABLE ETHYLENICALLY UNSATURATED POLYCARBOCYLIC ACID-POLYHYDRIC ALCOHOL-ALKYL PHOSPHATE POLYESTER OBTAINED AS THE REACTION PRODUCT OF A POLYHYDRIC ALCOHOL AND AN ETHYLENICALLY UNSATURATED POLYCARBOXYLIC ACID WHEREIN THE POLYESTER CONTAINS A HALOGENATED MEMBER SELECTED FROM THE GROUP CONSISTING OF A HALOGENATED POLYHYDRIC ALCOHOL AND A HALOGENATED POLYCARBOXYLIC ACID IN WHICH THE HALO GROUP IS A MEMBER OF THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE AND IS PRESENT IN AN AMOUNT TO YIELD FROM ABOUT 5% TO ABOUT 50% BY WEIGHT OF SAID PRODUCT AND AN ALKYL PHOSPHATE WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 4 CARBON ATOMS AND IS PRESENT IN AN AMOUNT TO YIELD FROM ABOUT 0U9% TO ABOUT 5% BY WEIGHT OF SAID PRODUCT, (2) A POLYMERIZABLE MONOMER CONTAINING A POLYMERIZABLE CH2=C< GROUP AND HAVING A BOILING POINT OF AT LEAST 60* C., (3) FROM 0.1% OF 10% BASED ON THE TOTAL WEIGHT OF (1) AND (2) OF AN ALKALINE EARTH METAL SALT OF FATTY OIL ACIDS HAVING FROM 8 TO 20 CARBON ATOMS, (4) FROM ABOUT 0.01% TO ABOUT 5% BY WEIGHT BASED ON THE TOTAL WEIGHT OF (1) AND (2) A COMPOUND HAVING THE GENERAL FORMULA
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) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |