Claims
- 1. A hapten prepared from capsular Haemophilus influenzae b polysaccharide, consisting of approximately equal parts of ribose, ribitol and phosphate, by heating until less than 20% is of a molecular size is below 200,000 dalton and less than 20% is of molecular size greater than 2,000,000 dalton.
Parent Case Info
This application is a continuation of Ser. No. 395,743, filed July 6, 1982 now U.S. Pat. No. 4,496,538.
US Referenced Citations (3)
Continuations (1)
|
Number |
Date |
Country |
Parent |
395743 |
Jul 1982 |
|