GB1198310A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Method for Swelling and Dispersing Collagen
Assignee: Ethicon Inc
•
Filing: 1967-12-22
•
Granted: —
•
Expires: 1987-12-22
Abstract
Abstract 1,198,310. Collagen. ETHICON Inc. 22 Dec., 1967, No. 58360/67. Heading C3H. A process for preparing a dispersion of swollen collagen in an aqueous acid medium comprises treating finely divided collagen for a period of 4 to 18 hours with a solution of a borohydride at a temperature within the range of 7‹ to 36‹ C. and then swelling the collagen in the aqueous acid medium. Sodium, potassium and tetramethylammonium borohydrides are mentioned. The acid may be acetic or cyanoacetic acid.
Inventors
- 👤 Sidney Gister
- 👤 Richard Leonard Kronenthal
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-22 23:06
CPC Classifications
C; C08; C08H; C08H1/00; C08H1/06; C08L; C08L89/00; C08L89/04; C08L89/06; C09; C09H; C09H3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.