US2789957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzoates of alkylated phenols
Assignee: Argus Chemical Corp
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Filing: 1955-03-18
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Granted: 1957-04-23
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Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Mark W Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:07
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PLASTICIZED RESIN COMPOSITION COMPRISING POLYVINYLCHLORIDE RESIN AND, AS PLASTICIZER THEREFOR, A LIQUID ESTER OF BENZOIC ACID WITH A PHENOL HAVING ONE TO TWO ALKYL SIDE CHAINS CONTAINING TOGETHER 9-18 CARBON ATOMS IN THE ALKYL COMPONENT.
Claim 2
Dependent Claim
36 words
A PLASTICIZED RESIN COMPOSITION COMPRISING POLYVINYLCHLORIDE RESIN AND, AS PLASTICIZER THEREFOR, A LIQUID ESTER OF BENZOIC ACID WITH A PHENOL HAVING ONE TO TWO ALKYL SIDE CHAINS CONTAINING TOGETHER 9-18 CARBON ATOMS IN THE ALKYL COMPONENT.
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) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |