Well Treating Patents (Class 507/200)
- Organic component is cellular or fibrous material derived from plant or animal source (e.g., wood, nutshell, paper, leather, cotton, etc.) (Class 507/204)
- Organic component contains fluorine bonded directly to carbon (Class 507/205)
- Organic component is lignin or humate or derivative thereof (e.g., tannin, quebracho extract, etc.) (Class 507/206)
- Organic component is carbohydrate or derivative thereof (e.g., sugar or gum, such as galactomannan, etc.) or carboxylic acid ester of an alcohol which has five or more hydroxy groups bonded directly to carbons (Class 507/209)
- Organic component is solid synthetic resin (Class 507/219)
- Organic component is asphalt or a component or derivative thereof (Class 507/232)
- Organic component contains silicon attached directly or indirectly to carbon by nonionic bonding (Class 507/233)
- Organic component contains phosphorus attached directly or indirectly to carbon by nonionic bonding (Class 507/235)
- Organic component contains nitrogen attached directly or indirectly to carbon by nonionic bonding (Class 507/239)
- Organic component contains sulfur attached directly or indirectly to carbon by nonionic bonding (Class 507/252)
- Organic component is polycarboxylic acid, ester, or salt thereof (Class 507/260)
- Organic component contains ether linkage (e.g., PEG ether, etc.) (Class 507/261)
- Organic component contains a carbocyclic group (e.g., cycloaliphatic, aromatic ring, tall oil, etc.) (Class 507/263)
- Organic component is a fat, fatty alcohol, fatty oil, ester-type wax, fatty still residue, or higher fatty acid or salt thereof (Class 507/265)
- Organic component contains an alcohol group (Class 507/266)
- Organic component contains carboxylic acid, ester, or salt thereof (Class 507/267)
- Organic component contains a carbonyl group (e.g., aldehyde, ketone, etc.) (Class 507/268)
- Inorganic component is elemental metal or alloy (Class 507/270)
- Inorganic component contains Ti, Zr, V, Cr, Mn, Fe, or Ni (Class 507/271)
- Inorganic component contains copper or zinc (Class 507/272)
- Inorganic component contains boron (Class 507/273)
- Inorganic component contains phosphorous (Class 507/274)
- Inorganic component contains arsenic or antimony (Class 507/275)
- Inorganic component contains potassium (Class 507/276)
- Inorganic component is soluble in the well treating medium (Class 507/277)