US2582160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butadiene-acrylonitrile copolymer composition containing a resin occuring in utah resin bearing coal
Assignee: Interchemical Corp
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Filing: 1948-10-20
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Granted: 1952-01-08
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Expires: 1968-10-20
Abstract
No abstract record available.
Inventors
- 👤 Lino J Radi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:40
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/02; C08L93/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN THE METHOD OF COMPOUNDING A BUTADIENEACRYLONITRILE RUBBERY COPOLYMER, THE STEPS OF INCORPORATING WITH SUCH A COPOLYMER 5 TO 60%, BASED ON THE WEIGHT OF THE COPOLYMER, OF A RESIN CONSISTING ESSENTIALLY OF CARBON AND HYDROGEN, HAVING AN AVERAGE MOLECULAR WEIGHT ON THE ORDER OF 1000 AND A REFRACTIVE INDEX OF 1,544 AND OCCURRING IN UTHA RESIN-BEARING COALS, AND MILLING THE MIXTURE TO OBTAIN A RUBBER COMPOUND.
Claim 2
Dependent Claim
67 words
IN THE METHOD OF COMPOUNDING A BUTADIENEACRYLONITRILE RUBBERY COPOLYMER, THE STEPS OF INCORPORATING WITH SUCH A COPOLYMER 5 TO 60%, BASED ON THE WEIGHT OF THE COPOLYMER, OF A RESIN CONSISTING ESSENTIALLY OF CARBON AND HYDROGEN, HAVING AN AVERAGE MOLECULAR WEIGHT ON THE ORDER OF 1000 AND A REFRACTIVE INDEX OF 1,544 AND OCCURRING IN UTHA RESIN-BEARING COALS, AND MILLING THE MIXTURE TO OBTAIN A RUBBER COMPOUND.
References Cited (Backward Citations)
US2461551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |