2, 4-diamino-7, 8-disubstituted pteridines

• US 2,665,275 A
• Filed: 10/17/1950
• Issued: 01/05/1954
• Est. Priority Date: 12/22/1948
• Status: Expired due to Term

• Current Assignee: Hugh Fitzgerald Maurice Edward, Jackson Collier Henry Oswald, Robert Campbell Norman
• Original Assignee: Hugh Fitzgerald Maurice Edward, Jackson Collier Henry Oswald, Robert Campbell Norman
• Inventors: ROBERT CAMPBELL NORMAN, HUGH FITZGERALD MAURICE EDWARD, JACKSON COLLIER HENRY OSWALD
• Application Number:
  US03/190,656
• Time in Patent Office: 1,176 Days
• US Class Current: 544/260
• CPC Class Codes: C07D 475/08 with a nitrogen atom directly attached in position 2

Claims

1. PTERIDINES OF THE GENERAL FORMULA

7. A PROCESS FOR THE MANUFACTURE OF PTERIDINES OF THE GENERAL FORMULA