US3046236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame-proof foamable alkenyl aromatic resin granules and method of making
Assignee: Dow Chemical Co
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Filing: 1960-02-17
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Granted: 1962-07-24
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Expires: 1980-02-17
Abstract
No abstract record available.
Inventors
- 👤 Alex K Jahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:26
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0014; C08J9/0038; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C08F; C08F2/00; C08F2/12; C08F2/16; C08K; C08K5/00; C08K5/04; C08K5/14; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5337; C08J2325/00; Y; Y10; Y10S; Y10S260/00; Y10S260/28; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A FOAMABLE THERMOPLASTIC POLYMER COMPOSITION CAPABLE OF BEING EXPANDED TO PRODUC A SELF-EXTINGUISHING CELLULAR BODY COMPRISING A FLAMMABLE THERMOPLASTIC POLYMER CONSISTING OF AT LEAST 70 PERCENT BY WEIGHT OF AT LEAST ONE LAKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
39 words
A FOAMABLE THERMOPLASTIC POLYMER COMPOSITION CAPABLE OF BEING EXPANDED TO PRODUC A SELF-EXTINGUISHING CELLULAR BODY COMPRISING A FLAMMABLE THERMOPLASTIC POLYMER CONSISTING OF AT LEAST 70 PERCENT BY WEIGHT OF AT LEAST ONE LAKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2676927A
Cited
US2725311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |