US2615050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl ethers
Assignee: Beazer East Inc
•
Filing: 1947-09-24
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Granted: 1952-10-21
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Expires: 1967-09-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas H Insinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:43
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/15; C07C43/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A PROCESS OF PRODUCING VINYL ETHERS COMPRISING: REACTING AT AN ELEVATED TEMPERATURE AND PRESSURE IN LIQUID PHASE ACETYLENE WITH A LIQUEFIED ORGANIC, MONOMERIC HYDROXY COMPOUND FREE FROM ALKALI SENSITIVE GROUPS AND CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
35 words
A PROCESS OF PRODUCING VINYL ETHERS COMPRISING: REACTING AT AN ELEVATED TEMPERATURE AND PRESSURE IN LIQUID PHASE ACETYLENE WITH A LIQUEFIED ORGANIC, MONOMERIC HYDROXY COMPOUND FREE FROM ALKALI SENSITIVE GROUPS AND CORRESPONDING TO THE FORMULA
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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |