Back to results
US 12,582,389 B2Granted
Urine preservative composition, device for sampling urine and method for manufacturing a urine sampling device
AssigneeVacutest Kima S.R.L.
InventorSergio Pignata
Life of this patent
Estimating the term…
Abstract
A urine preservative composition in solid form, based on boric acid and D-mannitol is disclosed. The urine preservative composition consists of boric acid from 37.0 to 69.7% by weight, D-Mannitol from 9.6 to 16.2% by weight, sodium bicarbonate and/or sodium carbonate from 18.0 to 25.0% by weight, polyvinylpyrrolidone from 0.1 to 2% by weight and sodium citrate and/or potassium sorbate from 0% to 24.2% by weight.
Claims24
A urine preservative composition in solid form, based on boric acid and D-mannitol, wherein the urine preservative composition consists of:
- boric acid from 37.0 to 69.7% by weight;
- D-Mannitol from 9.6 to 16.2% by weight;
- sodium bicarbonate and/or sodium carbonate from 18.0 to 25.0% by weight;
- polyvinylpyrrolidone from 0.1 to 2% by weight;
- and
- sodium citrate and/or potassium sorbate, from 0% to 24.2% by weight.
3 more elements
Dependencies are inferred from the claim text.