US3098047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardant cellular product
Assignee: Velsicol Chemical LLC
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Filing: 1955-09-20
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Granted: 1963-07-16
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Expires: 1975-09-20
Abstract
No abstract record available.
Inventors
- 👤 John C Tapas
- 👤 Israel J Dissen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:07
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/68; C08G18/683; C08G18/686
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A FLAME RETARDENT, REDIG, CELLULAR PLASTIC FOAM COMPRISING FROM ABOUT 19 TO ABOUT 38 WEIGHT PERCENT OF AN AROMATIC DIISOCYANATE REACTED WITH FROM ABOUT 81 TO ABOUT 62 WEIGHT PERCENT OF A FLUID ALKYD RESIN HAVINF AN ACID NUMBER BETWEEN ABOUT 25 AND ABOUT 60 AND CONTAINING AS CONSTITUENT COMPONENTS BETWEEN 14 MOLE PERCENT AND 22 MOLE PERCENT CHLORENDIC ACID, AND ALIPHATIC DIBASIC ACID CONTAINING FROM 5 TO 10 CARBON ATOMS INCLUSIVE, AND A TRI-HYDRIC ALCOHOL CONTAINING FROM 5 TO 10 CARBON ATOMS INCLUSIVE, SAID CELLUR PLASTIC FOAM CONTAINIG AT LEAST ABOUT 12 WEIGHT PERCENT CHLORINE.
Claim 2
Dependent Claim
96 words
A FLAME RETARDENT, REDIG, CELLULAR PLASTIC FOAM COMPRISING FROM ABOUT 19 TO ABOUT 38 WEIGHT PERCENT OF AN AROMATIC DIISOCYANATE REACTED WITH FROM ABOUT 81 TO ABOUT 62 WEIGHT PERCENT OF A FLUID ALKYD RESIN HAVINF AN ACID NUMBER BETWEEN ABOUT 25 AND ABOUT 60 AND CONTAINING AS CONSTITUENT COMPONENTS BETWEEN 14 MOLE PERCENT AND 22 MOLE PERCENT CHLORENDIC ACID, AND ALIPHATIC DIBASIC ACID CONTAINING FROM 5 TO 10 CARBON ATOMS INCLUSIVE, AND A TRI-HYDRIC ALCOHOL CONTAINING FROM 5 TO 10 CARBON ATOMS INCLUSIVE, SAID CELLUR PLASTIC FOAM CONTAINIG AT LEAST ABOUT 12 WEIGHT PERCENT CHLORINE.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |