1915901

Information

• Patent Grant
• 1915901

• References
• Source

• Patent Number

  1,915,901

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1933
  90 years ago

• CPC

  • C09B5/022 - not provided for in one of the sub groups C09B5/04 - C09B5/20

• US Classifications

  • 549 - Organic compounds