US2768960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ternary complexes of perhalocarbons, aluminum trihalides and phosphorous trihalides
Assignee: Shell Development Co
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Filing: 1953-03-17
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Granted: 1956-10-30
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Expires: 1973-03-17
Abstract
No abstract record available.
Inventors
- 👤 John L Van Winkle
- 👤 Rupert C Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:55
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A CHEMICAL PRODUCT HAVING THE STRUCTURE REPRESENTED BY THE FORMULA (CNX2N+1PX3)+(ALX4)- IN WHICH EACH X REPRESENTS AN ATOM OF HALOGEN SELECTED FROM THE CLASS CONSISTING OF CHLORINE, BROMINE AND IODINE, N IS AN INTEGER, AND C, P, AND AL REPRESENT CARBON, PHOSPHORUS AND ALUMINUM, RESPECTIVELY.
Claim 2
Dependent Claim
43 words
THE PROCESS WHICH COMPRISES MIXING A PERCHLOROCARBON, A PHOSPHOROUS TRIHALIDE, THE HALOGEN WHEREOF IS HALOGEN WHOSE HYDROHALIC ACID IS A STRONG ACID, AND AN ALUMINUM SALT OF A STRONG HYDROHALIC ACID TO PRODUCE A TERNARY EQUIMOLAR COMPLEX OF THESE MATERIALS WITH EACH OTHER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |