Search Results for: Animal fats not further prepared
(class / ) animal or plant matter (e.g., blood, hair, skin, wood, hemp, cotton, paper, lard, castor oil, shellac, glue, beeswax, etc.) (class / ) elemental or alloyed metal (class / ) halogen compound (class / ) silicon compound (class / ) heavy metal or aluminum compound (e.g., mos ,etc.)
(class / ) elemental halogen or elemental phosphorus (class / ) elemental metal or boron, or alloyed metal (class / ) elemental sulfur, selenium, or tellurium (class / ) inorganic compound (except water) (overbased or carbonated organic acidic compounds are not classified in this subclass or its indents...
https://patents.justia.com/patents-by-us-classification/508