Patent US5998630A successfully refreshed from Google Patents.
US5998630A
Expired / Lapsed
US
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Carbodiimide coupling reagent
Assignee: Eli Lilly and Co
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Filing: 1999-05-21
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Granted: 1999-12-07
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Expires: 2019-05-21
Abstract
Abstract The present invention relates to compounds used for increasing activation of the 5-HT1F receptor.
Inventors
- 👤 James E Fritz
- 👤 Patric J Hahn
- 👤 Stephen W Kaldor
- 👤 Miles G Siegel
- 👤 Yao-Chang Xu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:22
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12; A; A61; A61P; A61P25/00; A61P43/00; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/14; C07D209/16; C07D403/00; C07D403/02; C07D403/12; C07D405/00; C07D405/02; C07D405/12; C07D409/00; C07D409/02; C07D409/12; C07D417/00; C07D417/02; C07D417/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
The compound 1-(3-(1-pyrrolidinyl)propyl)-3-ethylcarbodiimide.
Claim 2
Dependent Claim
3 words
The compound 1-(3-(1-pyrrolidinyl)propyl)-3-ethylcarbodiimide.
References Cited (Backward Citations)
US3591603A
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US3903084A
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US5147865A
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US5739157A
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US5439918A
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US5906043A
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US5792763A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-12-06 | 2003-06-07 | 2003-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-12-06 | 2007-06-07 | 2007-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-12-06 | 2011-06-07 | 2011-12-07 | $7700.00 | Window Closed / Lapsed |