US2964794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blown articles from high molecular weight thermoplastic polycarbonates and method of making same
Assignee: Bayer AG
•
Filing: 1957-05-14
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Granted: 1960-12-20
•
Expires: 1977-05-14
Abstract
No abstract record available.
Inventors
- 👤 Peilstocker Gunter
- 👤 Hechelhammer Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:18
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/0005; C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
19 words
A COMPLETELY TRANSPARENT BLOW BOTTLE OF HIGH MOLECULAR WEIGHT THEREMOPLASTIC LINEAR FILM AND FIBER FORMING POLY-(DI-MONOHYDROXY ARYLENE ALKANE CARBONATE).
Claim 2
Dependent Claim
19 words
A COMPLETELY TRANSPARENT BLOW BOTTLE OF HIGH MOLECULAR WEIGHT THEREMOPLASTIC LINEAR FILM AND FIBER FORMING POLY-(DI-MONOHYDROXY ARYLENE ALKANE CARBONATE).
Claim 3
Dependent Claim
57 words
IN THE PROCESS OF PRODUCING BOTTLES BY BLOWING SEALED TUBES OF SOFTENED ORGANIC PLASTIC MATERIAL IN A HOLLOW MOULD, THE IMPROVEMENT BY WHICH THE PLASTIC MATERIAL IS A HIGH MOLECULAR WEIGHT, LINEAR, THERMOPLASTIC, FILM AND FIBRE FORMING POLY-(DI-MONO-HYDROXYARYLENE ALKANE CARBONATE), AND BEFORE BLOWING IN MOISTURE CONTENT OF THE PLASTIC MATERIAL IS REDUCED TO NO HIGHER THAN 0.05%.
Claim 4
Dependent Claim
57 words
IN THE PROCESS OF PRODUCING BOTTLES BY BLOWING SEALED TUBES OF SOFTENED ORGANIC PLASTIC MATERIAL IN A HOLLOW MOULD, THE IMPROVEMENT BY WHICH THE PLASTIC MATERIAL IS A HIGH MOLECULAR WEIGHT, LINEAR, THERMOPLASTIC, FILM AND FIBRE FORMING POLY-(DI-MONO-HYDROXYARYLENE ALKANE CARBONATE), AND BEFORE BLOWING IN MOISTURE CONTENT OF THE PLASTIC MATERIAL IS REDUCED TO NO HIGHER THAN 0.05%.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |