US2588660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding compositions
Assignee: Dow Chemical Co
•
Filing: 1950-03-31
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Granted: 1952-03-11
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Expires: 1970-03-31
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Roche
- 👤 Raymond M Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:25
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06; C08L; C08L25/00; C08L71/00; C08L71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A MOLDING COMPOSITION COMPRISING AS ITS PRINCIPAL COMPONENT, A SOLID THERMOPLASTIC MONOVINYL AROMATIC RESIN AND, UNIFORMLY INCORPORATED WITH SAID RESIN, A POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT BETWEEN 200 AND 1200 IN AMOUNT CORRESPONDING TO FROM 5 TO 10 PER CENT BY WEIGHT OF THE COMBINED WEIGHT OF THE POLYETHYLENE GLYCOL AND THE RESIN.
Claim 2
Dependent Claim
54 words
A MOLDING COMPOSITION COMPRISING AS ITS PRINCIPAL COMPONENT, A SOLID THERMOPLASTIC MONOVINYL AROMATIC RESIN AND, UNIFORMLY INCORPORATED WITH SAID RESIN, A POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT BETWEEN 200 AND 1200 IN AMOUNT CORRESPONDING TO FROM 5 TO 10 PER CENT BY WEIGHT OF THE COMBINED WEIGHT OF THE POLYETHYLENE GLYCOL AND THE RESIN.
References Cited (Backward Citations)
US2353228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |