Patent US2335810A successfully refreshed from Google Patents.
Patent US4710922A successfully refreshed from Google Patents.
Patent US3072581A successfully refreshed from Google Patents.
US3072581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamable styrene polymer compositions and method for preparing same
Assignee: Monsanto Chemicals Ltd
•
Filing: 1958-05-16
•
Granted: 1963-01-08
•
Expires: 1978-05-16
Abstract
No abstract record available.
Inventors
- 👤 Platzer Norbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:38
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0066; C08K; C08K3/00; C08K3/01; C08K3/013; C08K3/18; C08K3/24; C08K3/26; C08K3/30; C08K3/34; C08K3/36; C08K7/00; C08K7/22; C08J2325/00; C08J2325/02; C08J2325/04; Y; Y10; Y10S; Y10S264/00; Y10S264/05; Y10S521/00; Y10S521/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A SOLID PARTICULATE FOAMABLE THERMOPLASTIC POLYMER COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS OF A THERMOPLASTIC STYRENE POLYMER HAVING INTIMATELY DISPERSED THEREIN ABOUT 3-10 PARTS OF AN ALIPHATIC HYDROCARBON BOILING WITHIN THE RANGE OF ABOUT 30-80*C. AND AT LEAST ABOUT 0.5 PART OF A FINELY DIVIDED INORGANIC PIGMENT HAVING AN AVERAGE PARTICLE SIZE OF NOT SUBSTANTIALLY GREATER THAN ABOUT 5 MICRONS.
Claim 2
Dependent Claim
60 words
A SOLID PARTICULATE FOAMABLE THERMOPLASTIC POLYMER COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS OF A THERMOPLASTIC STYRENE POLYMER HAVING INTIMATELY DISPERSED THEREIN ABOUT 3-10 PARTS OF AN ALIPHATIC HYDROCARBON BOILING WITHIN THE RANGE OF ABOUT 30-80*C. AND AT LEAST ABOUT 0.5 PART OF A FINELY DIVIDED INORGANIC PIGMENT HAVING AN AVERAGE PARTICLE SIZE OF NOT SUBSTANTIALLY GREATER THAN ABOUT 5 MICRONS.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |