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Inventor: Ashmead; Howard L.
Address: Newark, DE
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| RE29454 |
Method for producing a gradient elution |
October 25, 1977 |
| The method of proportioning two liquids comprising periodically controlling the operation of a valving .[.means.]. .Iadd.arrangement .Iaddend.to control the amount of each liquid supplied to a mixing region during each period of valve operation to produce a supply of eluent having a prec |
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