US3061558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamed composition comprising a vinyl resin plastisol and a siloxane-oxy-alkylene block copolymer and method of making same
Assignee: Union Carbide Corp
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Filing: 1960-01-14
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Granted: 1962-10-30
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Expires: 1980-01-14
Abstract
No abstract record available.
Inventors
- 👤 Alter Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:21
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; C08J2483/00; Y; Y10; Y10S; Y10S521/00; Y10S521/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A NONAQUEOUS COMPOSITION USEFUL FOR PRODUCING UNIFORMLY TEXTURED VINYL FOAM WHICH COMPRISES A VINYL CHLORIDE RESIN PLASTISOL AND A SILOXANE-OXYALKYLENE BLOCK COPOLYMER HAVING A MOLECULAR WEIGHT ABOVE ABOUT 150, AND COMPRISING A MIXTURE OF BLOCK COPOLYMERS WHEREIN EACH COPOLYMER CONTAINS A SILOXANE POLYMERS AND AT LEAST ONE OXYALKYLENE POLYMER IN COMBINATION, THE SILOXANE POLYMER BEING COMPOSED OF AT LEAST ONE TRIFUNCTIONAL SILICONE ATOM, BONDED TO THREE OXYGEN ATOMS AND A SINGLE MONOVALENT HYDROCARBON RADICAL, AND JOINED TO AT LEAST THREE DIFUNTIONAL SILICON ATOMS THROUGH OXYSILICON BONDS, EACH OF SAID DIFUNCTIONAL SILICON ATOMS HAVING TWO MONOVALENT HYDROCARBON RADICALS BONDED THERETO AND THE OXYALKYLEN POLYMER BEING COMPOSED OF AT LEAST FIVE OXYALKYLENE GROUPS BONDED TO EACH OTHER BY OXYCARBON BONDS AND BONDED TO ONE END OF THE SILOXANE POLYMER THROUGH A CARBON-OXY-SILICON BOND AND BONDED AT THE OTHER END TO A MONOETHER RADICAL.
Claim 2
Dependent Claim
141 words
A NONAQUEOUS COMPOSITION USEFUL FOR PRODUCING UNIFORMLY TEXTURED VINYL FOAM WHICH COMPRISES A VINYL CHLORIDE RESIN PLASTISOL AND A SILOXANE-OXYALKYLENE BLOCK COPOLYMER HAVING A MOLECULAR WEIGHT ABOVE ABOUT 150, AND COMPRISING A MIXTURE OF BLOCK COPOLYMERS WHEREIN EACH COPOLYMER CONTAINS A SILOXANE POLYMERS AND AT LEAST ONE OXYALKYLENE POLYMER IN COMBINATION, THE SILOXANE POLYMER BEING COMPOSED OF AT LEAST ONE TRIFUNCTIONAL SILICONE ATOM, BONDED TO THREE OXYGEN ATOMS AND A SINGLE MONOVALENT HYDROCARBON RADICAL, AND JOINED TO AT LEAST THREE DIFUNTIONAL SILICON ATOMS THROUGH OXYSILICON BONDS, EACH OF SAID DIFUNCTIONAL SILICON ATOMS HAVING TWO MONOVALENT HYDROCARBON RADICALS BONDED THERETO AND THE OXYALKYLEN POLYMER BEING COMPOSED OF AT LEAST FIVE OXYALKYLENE GROUPS BONDED TO EACH OTHER BY OXYCARBON BONDS AND BONDED TO ONE END OF THE SILOXANE POLYMER THROUGH A CARBON-OXY-SILICON BOND AND BONDED AT THE OTHER END TO A MONOETHER RADICAL.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |