Patent US2421155A successfully refreshed from Google Patents.
US2698313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic composition of styreneacrylonitrile resin with nitrile rubber and acrylate-type rubber
Assignee: Uniroyal Inc
•
Filing: 1952-09-03
•
Granted: 1954-12-28
•
Expires: 1972-09-03
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Daly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:18
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/12; C08L33/00; C08L33/04; C08L33/06; C08L33/08; C08L9/00; C08L9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A HARD, TOUGH COMPOSITION CHARACTERIZED BY EXCEPTIONAL RESISTANCE OT OXIDATION COMPRISING A HOMOGENOUS, INTIMATE MIXTURE OF FROM 50% TO 90% OF A STYRENEACRYLONITRILE RESINOUS COPOLYMER, AND CORRESPONDINGLY FROM 50% TO 10% OF AN ELASTOMERIC PORTION, THE SAID PERCENTAGE OF RESIN AND ELASTOMER BEING BASED ON THE TOTAL WEIGHT OF THE SAID MIXED RESIN AND ELASTOMERIC PORTION, THE SAID RESIN HAVING A STYRENE CONTENT OF FROM 50% TO 90%, AND THE SAID ELASTOMERIC PORTION BEING COMPOSED IN TURN OF FROM 85% TO 35% OF BUTADIENE-ACRYLONITRILE COPOLYMER RUBBER AND CORRESPONDINGLY FROM 15% TO 65% OF A SATURATED RUBBERY COPOLYMER OF A LOWER ALKYL ACRYLATE WITH A COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED MONOMER SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, 3-CHLOROPROYL ACRYLATE AND 2-CHLOROETHYL VINYL ETHER, THE SAID PERCENTAGES OF BUTADIENE-ACRYLONITRILE RUBBER AND ACRYLATE COPOLYMER RUBBER BEING BASED ON THE TOTAL WEIGHT OF THE TWO SAID RUBBERS, THE SAID BUTADIENE-ACRYLONITRILE RUBBER CONTIAINING FROM 18% TO 48 OF ACRYLONITRILE, AND THE SAID ACRYLATE COPOLYMER RUBBER CONTAINING FROM 4% TO 20% OF SAID COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED MONOMER.
Claim 2
Dependent Claim
170 words
A HARD, TOUGH COMPOSITION CHARACTERIZED BY EXCEPTIONAL RESISTANCE OT OXIDATION COMPRISING A HOMOGENOUS, INTIMATE MIXTURE OF FROM 50% TO 90% OF A STYRENEACRYLONITRILE RESINOUS COPOLYMER, AND CORRESPONDINGLY FROM 50% TO 10% OF AN ELASTOMERIC PORTION, THE SAID PERCENTAGE OF RESIN AND ELASTOMER BEING BASED ON THE TOTAL WEIGHT OF THE SAID MIXED RESIN AND ELASTOMERIC PORTION, THE SAID RESIN HAVING A STYRENE CONTENT OF FROM 50% TO 90%, AND THE SAID ELASTOMERIC PORTION BEING COMPOSED IN TURN OF FROM 85% TO 35% OF BUTADIENE-ACRYLONITRILE COPOLYMER RUBBER AND CORRESPONDINGLY FROM 15% TO 65% OF A SATURATED RUBBERY COPOLYMER OF A LOWER ALKYL ACRYLATE WITH A COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED MONOMER SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, 3-CHLOROPROYL ACRYLATE AND 2-CHLOROETHYL VINYL ETHER, THE SAID PERCENTAGES OF BUTADIENE-ACRYLONITRILE RUBBER AND ACRYLATE COPOLYMER RUBBER BEING BASED ON THE TOTAL WEIGHT OF THE TWO SAID RUBBERS, THE SAID BUTADIENE-ACRYLONITRILE RUBBER CONTIAINING FROM 18% TO 48 OF ACRYLONITRILE, AND THE SAID ACRYLATE COPOLYMER RUBBER CONTAINING FROM 4% TO 20% OF SAID COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED MONOMER.
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) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |