US3108973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed crystal of titanium trichloride, aluminum chloride, and alkylalumi num dichloride
Assignee: Hercules Powder Co
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Filing: 1961-02-16
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Granted: 1963-10-29
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Expires: 1981-02-16
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Vandenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:33
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AS A NEW COMPOSITION OF MATTER A MIXED CRYSTAL CONSISTING OF TITANIUM TRICHLORIDE, ALUMINUM TRICHLORIDE AND ALKYLALUMINUM DICHLORIDE CONTAINING FROM ABOUT 0.05 TO ABOUT 0.9 MOLE OF ALUMINUM CHLORIDE PER MOLE OF TITANIUM TRICHLORIDE AND FROM ABOUT 0.15 TO ABOUT 0.5 MOLE OF ALKYLALUMINUM DICHLORIDE PER MOLE OF TITANIUM TRICHLORIDE.
Claim 2
Dependent Claim
50 words
AS A NEW COMPOSITION OF MATTER A MIXED CRYSTAL CONSISTING OF TITANIUM TRICHLORIDE, ALUMINUM TRICHLORIDE AND ALKYLALUMINUM DICHLORIDE CONTAINING FROM ABOUT 0.05 TO ABOUT 0.9 MOLE OF ALUMINUM CHLORIDE PER MOLE OF TITANIUM TRICHLORIDE AND FROM ABOUT 0.15 TO ABOUT 0.5 MOLE OF ALKYLALUMINUM DICHLORIDE PER MOLE OF TITANIUM TRICHLORIDE.
References Cited (Backward Citations)
US2943063A
Cited
GB843385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |