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US2606162A
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Compositions comprising polyisocyanate modified polyesters and vinyl chloride polymers
Assignee: Imperial Chemical Industries Ltd
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Filing: 1949-01-24
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Granted: 1952-08-05
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Expires: 1969-01-24
Abstract
No abstract record available.
Inventors
- 👤 Coffey David Hay
- 👤 Edgar Owen Burchell
- 👤 Meyrick Thomas James
- 👤 Watts John Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:23
CPC Classifications
C; C08; C08L; C08L75/00; C08L75/04; C08L75/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A COMPOSITION COMPRISING FROM 20 TO 100 PARTS BY WEIGHT OF A HYDROCARBON POLYISOCYANATEMODIFIED POLYESTER OF A GLYCOL AND A DICARBOXYLIC ACID HAVING A MOLECULAR WEIGHT GREATER THAN 10,000 AND 100 PARTS BY WEIGHT OF A VINYL CHLORIDE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE AND AN INTERPOLYMER OF A PREPONDERATING AMOUNT OF VINYL CHLORIDE WITH ANOTHER MONO-OLEFINIC COMPOUND COPOLYMERIZABLE THEREWITH.
Claim 2
Dependent Claim
63 words
A COMPOSITION COMPRISING FROM 20 TO 100 PARTS BY WEIGHT OF A HYDROCARBON POLYISOCYANATEMODIFIED POLYESTER OF A GLYCOL AND A DICARBOXYLIC ACID HAVING A MOLECULAR WEIGHT GREATER THAN 10,000 AND 100 PARTS BY WEIGHT OF A VINYL CHLORIDE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE AND AN INTERPOLYMER OF A PREPONDERATING AMOUNT OF VINYL CHLORIDE WITH ANOTHER MONO-OLEFINIC COMPOUND COPOLYMERIZABLE THEREWITH.
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) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |