Stable crystalline salts of 5-methyltetrahydrofolic acid

  • US 6,441,168 B1
  • Filed: 04/17/2000
  • Issued: 08/27/2002
  • Est. Priority Date: 04/15/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A crystalline salt of 5-methyl-(6R,S)-, -(6S)- or -(6R)-tetrahydrofolic acid said crystalline salt having a water of crystallization of at least one equivalent per equivalent of 5-methyltetrahydrofolic acid.

View all claims

    Thank you for your feedback