US3367997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blow molding composition comprising a blend of vinyl chloride homopolymers and a.b.s. terpolymer
Assignee: Individual
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Filing: 1964-02-20
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Granted: 1968-02-06
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Expires: 1984-02-20
Abstract
No abstract record available.
Inventors
- 👤 Harold V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:32
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/0005; C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L2205/00; C08L2205/02; C08L55/00; C08L55/02; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A BLOW MOULDING COMPOSITION COMPRISING A MIXTURE OF VINYL CHLORIDE HOMOPOLYMERS AT LEAST ONE OF WHICH HAS A MINIMUM K VALUE OF APPROXIMATELY 50, WHICH VALUE IS LOWER BY NOT LESS THAN 10 THAN THE K VALUE OF AT LEAST ONE OTHER OF SAID HOMOPOLYMERS IN SAID MIXTURE, SAID MIXTURE OF HOMOPOLYMERS CONTAINING AT LEAST 20% BY WEIGHT OF EACH HOMOPOLYMER, AND A TERPOLYMER OF ACRYLONITRILE, BUTADIENE AND STYRENE, WHICH TERPOLYMER IS PRESENT IN AN AMOUNT OF FROM 5% TO 30% BY WEIGHT OF THE TOTAL WEIGHT OF SAID TERPOYMER AND SAID MIXTURE OF VINYL CHLORIDE HOMOPOLYMERS, AND WHICH HAS AN ACRYLONITRILE CONTENT OF FROM 15% TO 35% BY WEIGHT OF SAID TERPOLYMER, A BUTADIENE CONTENT OF FROM 20% TO 40% BY WEIGHT OF SAID TERPOLYMER, AND A STYRENE CONTENT OF FROM 35% TO 55% BY WEIGHT OF SAID TERPOLYMER.
Claim 2
Dependent Claim
140 words
A BLOW MOULDING COMPOSITION COMPRISING A MIXTURE OF VINYL CHLORIDE HOMOPOLYMERS AT LEAST ONE OF WHICH HAS A MINIMUM K VALUE OF APPROXIMATELY 50, WHICH VALUE IS LOWER BY NOT LESS THAN 10 THAN THE K VALUE OF AT LEAST ONE OTHER OF SAID HOMOPOLYMERS IN SAID MIXTURE, SAID MIXTURE OF HOMOPOLYMERS CONTAINING AT LEAST 20% BY WEIGHT OF EACH HOMOPOLYMER, AND A TERPOLYMER OF ACRYLONITRILE, BUTADIENE AND STYRENE, WHICH TERPOLYMER IS PRESENT IN AN AMOUNT OF FROM 5% TO 30% BY WEIGHT OF THE TOTAL WEIGHT OF SAID TERPOYMER AND SAID MIXTURE OF VINYL CHLORIDE HOMOPOLYMERS, AND WHICH HAS AN ACRYLONITRILE CONTENT OF FROM 15% TO 35% BY WEIGHT OF SAID TERPOLYMER, A BUTADIENE CONTENT OF FROM 20% TO 40% BY WEIGHT OF SAID TERPOLYMER, AND A STYRENE CONTENT OF FROM 35% TO 55% BY WEIGHT OF SAID TERPOLYMER.
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |