The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 1994
Filed:
Nov. 13, 1989
Applicant:
Inventors:
Richard L Lindstrom, Excelsior, MN (US);
Debra Skelnik, Cambridge, MN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514 57 ; 514 54 ; 514 59 ; 514912 ;
Abstract
A viscoelastic solution including a buffered solution, 0.01-10% chondroitin sulfate, 0.01-10% hydroxypropyl methylcellulose, and 0.01-10% sodium hyaluronate, pH adjusted to 6.0-8.0 at a osmolarity between 200-400 mOsmol/L. The buffered solution can be HEPES buffered minimal essential medium (MEM), phosphate buffered saline (PBS), or buffered balanced salt solution. A cell growth factor or cell growth supplement can also be included in the solution.