Patent US3055955A successfully refreshed from Google Patents.
US3055955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of vinyl chloride
Assignee: Union Carbide Corp
•
Filing: 1960-10-12
•
Granted: 1962-09-25
•
Expires: 1980-10-12
Abstract
No abstract record available.
Inventors
- 👤 Charles E Hodges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:23
CPC Classifications
C; C07; C07C; C07C21/00; C07C21/02; C07C21/04; C07C21/06; C07C1/00; C07C1/26; C07C1/30; C07C17/00; C07C17/093; C07C17/15; C07C17/152; C07C17/156; C07C17/25; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN IMPROVED PROCESS FOR THE PRODUCTION OF VINYL CHLORIDE COMPRISING THE STEPS; (1) PYROLYING ETHYL CHLORIDE TO YIELD ETHYLENE AND HYDROGEN CHLORIDE TO FORM ETHAIR TO SAID ETHYLENE AND HYDROGEN CHLORIDE TO FORM ETHYLENE DICHLORIDE, AND (3) PYROLYZING SAID ETHYLENE DICHLORIDE TO PRODUCE VINYL CHLORIDE AND HYDROGEN CHLORIDE.
Claim 2
Dependent Claim
48 words
AN IMPROVED PROCESS FOR THE PRODUCTION OF VINYL CHLORIDE COMPRISING THE STEPS; (1) PYROLYING ETHYL CHLORIDE TO YIELD ETHYLENE AND HYDROGEN CHLORIDE TO FORM ETHAIR TO SAID ETHYLENE AND HYDROGEN CHLORIDE TO FORM ETHYLENE DICHLORIDE, AND (3) PYROLYZING SAID ETHYLENE DICHLORIDE TO PRODUCE VINYL CHLORIDE AND HYDROGEN CHLORIDE.
References Cited (Backward Citations)
CA537198A
Cited
US2288580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |