Patent US3188263A successfully refreshed from Google Patents.
US3188263A
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Heat stabilized vinyl plastic compositions, floor tiles made therefrom, and methods for preparing same
Assignee: Vanderbilt Chemicals LLC
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Filing: 1959-02-04
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Granted: 1965-06-08
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Expires: 1979-02-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Pflaumer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:19
CPC Classifications
C; C08; C08K; C08K13/00; C08K13/04; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/24; C08K3/26; C08K5/00; C08K5/0008; C08K5/0016; C08K7/00; C08K7/02; C08K7/04; C08K7/10; C08K7/12; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L61/00; C08L61/20; C08L61/26; C08L61/28; Y; Y10; Y10S; Y10S524/00; Y10S524/914
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A VINYL ASBESTOS TILE COMPOSITION STABILIZED AGAINST DISCOLORATION BY HEAT COMPRISING A COPOLYMER OF 70% TO 95% VINYL CHLORIDE AND 30% TO 5% VINYL ACETATE, AT LEAST AN EQUAL WEIGHT OF ASBESTOS FIBERS, 10% TO 40% BY WEIGHT OF PULVERULENT INORGANIC FILLER AND AN AMOUNT UP TO 10% BASED ON THE WEIGHT OF THE COPOLYMER OF A STABILIZER SELECTED FROM THE GROUP CONSISTING OF BISALKYLOL UREAS, BISALKYLOL ETHYLENE UREAS, POLYALKYLOL MELAMINE, HEATCONVETIBLE POLYMERS THEREOF, THE LOWER ALKYLOL ETHERS THEREOF, AND HEAT-CONVERTIBLE POLYMERS OF SAID ETHERS WHEREIN THE ALKYLOL GROUPS CONTAIN 1 TO 5 CARBON ATOMS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |