US3216964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized alkenyl aromatic polymers in admixture with metal alkoxides and alkyls
Assignee: Dow Chemical Co
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Filing: 1964-12-23
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Granted: 1965-11-09
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Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Brubaker
- 👤 Richard T Dickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/057; C08K5/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A PLASTIFIED COMPOSITION CONSISTING ESSENTIALLY OF A PLASTICIZABLE ALKENYL AROMATIC RESINOUS POLYMER, (A) THE POLYMER CONTAINING IN CHEMICALLY COMBINED FORM AT LEAST ABOUT 50 WEIGHT PERCENT OF AT LEAST ONE POLYMERIZED ALKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
38 words
A PLASTIFIED COMPOSITION CONSISTING ESSENTIALLY OF A PLASTICIZABLE ALKENYL AROMATIC RESINOUS POLYMER, (A) THE POLYMER CONTAINING IN CHEMICALLY COMBINED FORM AT LEAST ABOUT 50 WEIGHT PERCENT OF AT LEAST ONE POLYMERIZED ALKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |