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US5795571A Expired / Lapsed US ⏱️ 0.0 years remaining

Composition containing autologous thrombin blood fraction for use in a medical procedure

Assignee: Bristol Myers Squibb Co
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Filing: 1996-11-15
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Granted: 1998-08-18
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Expires: 2016-11-15
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Abstract

Abstract The subject invention relates to the use of thrombin in a medical procedure in an animal. More specifically, the subject invention relates to such use of thrombin wherein the thrombin is a thrombin blood fraction is autologous to that animal.

Inventors

  • 👤 Stewart A. Cederholm-Williams
  • 👤 Ulla Weis-Fogh

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 17:08
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/64; C12N9/6421; C12N9/6424; C12N9/6429; A; A61; A61K; A61K35/00; A61K35/12; A61K35/14; A61L; A61L24/00; A61L24/04; A61L24/10; A61L24/106; A61P; A61P7/00; A61P7/04; C12Y; C12Y304/00; C12Y304/21; C12Y304/21005; A61K38/00; C12N2501/00; C12N2501/70

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 34 words
In a method for preparing a composition comprising materials released from platelets wherein said platelets are activated by thrombin, the improvement comprising thrombin that is derived from the same individual animal as said platelets.
Claim 2
Dependent Claim 34 words
In a method for preparing a composition comprising materials released from platelets wherein said platelets are activated by thrombin, the improvement comprising thrombin that is derived from the same individual animal as said platelets.
Claim 3
Dependent Claim 65 words
The method of claim 1 wherein said thrombin is a thrombin blood fraction comprising: (a) a thrombin concentration of from about 1 NIH unit/ml to about 2,000 NIH units/ml, and (b) a specific activity of thrombin of from about 1 NIH unit/mg of blood protein to about 200 NIH units/mg of blood protein wherein said thrombin blood fraction is substantially free of active antithrombin III.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-08-17 2002-02-16 2002-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-08-17 2006-02-16 2006-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-08-17 2010-02-16 2010-08-18 $7700.00 Window Closed / Lapsed

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