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US3104249A Expired / Lapsed US ⏱️ 0.0 years remaining

Organo-titanium compounds and a process of preparing them

Assignee: Hercules Powder Co
•
Filing: 1957-04-12
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Granted: 1963-09-17
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Expires: 1977-04-12
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Abstract

No abstract record available.

Inventors

  • 👤 Clauss Karl
  • 👤 Bestian Herbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:16
CPC Classifications
C; C07; C07F; C07F17/00; C07F7/00; C07F7/28

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 1 words
BIS-CYCLOPENTADIENYL-DIMETHYL-TITANIUM.
Claim 2
Dependent Claim 1 words
BIS-(1-METHYL-CYLOPHENTADINYL)-DIMETHYL-TITANIUM.
Claim 3
Dependent Claim 5 words
A COMPOUND OF THE FORMULA

References Cited (Backward Citations)

US2356476A Cited
FR1092700A Cited
FR1108869A Cited
US2827446A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-16 1967-03-18 1967-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-16 1971-03-18 1971-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-16 1975-03-18 1975-09-17 $7700.00 Window Closed / Lapsed

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