US4455300A
Expired / Lapsed
US
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Fibronectin compositions
Assignee: Bayer Corp
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Filing: 1982-05-25
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Granted: 1984-06-19
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Expires: 2002-05-25
Abstract
Abstract Novel compositions containing fibronectin and methods of isolating these compositions and fibronectin itself from blood plasma are disclosed.
Inventors
- 👤 Donald G. Wallace
- 👤 Phillip M. Schneider
- 👤 John L. Lundblad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:04
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/78; C07K14/745; C07K14/755; A; A61; A61K; A61K38/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
31 words
A therapeutic composition, prepared from frozen human plasma, comprising: 14%-24% fibronectin, 75%-85% fibrinogen, andd about 1% cryoprecipitate proteins, and having less than 28 units per gram total protein of antihemophilic factor.
Claim 2
Dependent Claim
31 words
A therapeutic composition, prepared from frozen human plasma, comprising: 14%-24% fibronectin, 75%-85% fibrinogen, andd about 1% cryoprecipitate proteins, and having less than 28 units per gram total protein of antihemophilic factor.
Claim 3
Dependent Claim
32 words
A therapeutic composition, prepared from frozen human plasma, comprising: about 5-13% fibronectin, about 86-94% fibrinogen, and about 1% cryoprecipitate proteins, and less that 20 units antihemophilic factor activity per gram total protein.
Claim 4
Dependent Claim
32 words
A therapeutic composition, prepared from frozen human plasma, comprising: about 5-13% fibronectin, about 86-94% fibrinogen, and about 1% cryoprecipitate proteins, and less that 20 units antihemophilic factor activity per gram total protein.
Claim 5
Dependent Claim
31 words
A therapeutic composition, prepared from frozen human plasma, comprising: about 25-32% fibronectin, about 67-74% fibrinogen, about 1% cryoprecipitate proteins and less than 20 units of antihemophilic factor per gram total protein.
Claim 6
Dependent Claim
31 words
A therapeutic composition, prepared from frozen human plasma, comprising: about 25-32% fibronectin, about 67-74% fibrinogen, about 1% cryoprecipitate proteins and less than 20 units of antihemophilic factor per gram total protein.
References Cited (Backward Citations)
US4315906A
Cited
US4210580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-19 | 1987-12-19 | 1988-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-19 | 1991-12-19 | 1992-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-19 | 1995-12-19 | 1996-06-19 | $7700.00 | Window Closed / Lapsed |