1990844

Information

• Patent Grant
• 1990844

• References
• Source

• Patent Number

  1,990,844

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1935
  90 years ago

• CPC

  • C08C3/02 - Purification
  • Y10S528/932 - Protein removal or conversion

• US Classifications

  • 528 - Synthetic resins or natural rubbers