US3222329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terpolymers
Assignee: GAF Chemicals Corp
•
Filing: 1961-02-21
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Granted: 1965-12-07
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Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Grosser Frederick
- 👤 Marvin R Leibowitz
- 👤 Andrew S Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:19
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F18/00; C08F18/02; C08F18/04; Y; Y10; Y10S; Y10S424/00; Y10S424/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A FILM THERMOPLASTIC RANDOMLY DISTRIBUTED TERPOLYMER CONSISTING OF 40 TO 90 PARTS BY WEIGHT OF NVINYLPYRROLIDONE, 2 TO 20 PARTS BY WEIGHT OF VINYL STEARATE AND 8 TO 58 PARTS BY WEIGHT OF A THIRD COMPONENT SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE, ETHYL ACRYLATE, METHYL ACRYLATE AND BUTYL ACRYLATE.
Claim 2
Dependent Claim
51 words
A FILM THERMOPLASTIC RANDOMLY DISTRIBUTED TERPOLYMER CONSISTING OF 40 TO 90 PARTS BY WEIGHT OF NVINYLPYRROLIDONE, 2 TO 20 PARTS BY WEIGHT OF VINYL STEARATE AND 8 TO 58 PARTS BY WEIGHT OF A THIRD COMPONENT SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE, ETHYL ACRYLATE, METHYL ACRYLATE AND BUTYL ACRYLATE.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |