US2824018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film-forming composition with a terephthalamide ester plasticizer
Assignee: Akzo Nobel UK PLC
•
Filing: 1955-07-29
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Granted: 1958-02-18
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Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph T K Cornwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:32
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A COMPOSITION OF MATTER COMPRISING (1) AN ORGANIC PLASTIC FILM-FORMING MATERIAL SELECTED FORM THE GROUP CONSISTING OF THERMOPLASTIC RESINS, THERMOPLASTIC CELLULOSE ESTERS AND ETHERS, THERMOSETTING RESINS, MIXTURES OF THERMOPLASTIC AND THERMOSETTING RESINS AND (2) AS A PLASTICIZER A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
42 words
A COMPOSITION OF MATTER COMPRISING (1) AN ORGANIC PLASTIC FILM-FORMING MATERIAL SELECTED FORM THE GROUP CONSISTING OF THERMOPLASTIC RESINS, THERMOPLASTIC CELLULOSE ESTERS AND ETHERS, THERMOSETTING RESINS, MIXTURES OF THERMOPLASTIC AND THERMOSETTING RESINS AND (2) AS A PLASTICIZER A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2552321A
Cited
US2487106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |