US2947719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of polymerizing vinyl chloride in the presence of polyethylene and product produced thereby
Assignee: Union Carbide Corp
•
Filing: 1954-09-09
•
Granted: 1960-08-02
•
Expires: 1974-09-09
Abstract
No abstract record available.
Inventors
- 👤 Frank M Rugg
- 👤 James E Potts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:26
CPC Classifications
C; C08; C08F; C08F255/00; C08F255/02; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
THE PROCESS WHICH CONSISTS IN REACHING, IN THE PRESENCE OF BENZOYL PEROXIDE, VINYL CHLORIDE WITH A PREFORMED NORMALLY SOLID POLYETHYLENE, SAID POLYETHYLENE BEING DISSOLVED IN AN AROMATIC SOLVENT THEREFOR.
Claim 2
Dependent Claim
29 words
THE PROCESS WHICH CONSISTS IN REACHING, IN THE PRESENCE OF BENZOYL PEROXIDE, VINYL CHLORIDE WITH A PREFORMED NORMALLY SOLID POLYETHYLENE, SAID POLYETHYLENE BEING DISSOLVED IN AN AROMATIC SOLVENT THEREFOR.
References Cited (Backward Citations)
US2405817A
Cited
US2520959A
Cited
US2610962A
Cited
US2542771A
Cited
US2497323A
Cited
US2837496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |