Phenols (h Of -oh May Be Replaced By A Group Ia Or Iia Light Metal) Patents (Class 568/716)
- Polycyclo ring system (Class 568/732)
- Tricyclo ring system (Class 568/733)
- Bicyclo ring system (Class 568/734)
- Naphthols (Class 568/735)
- Acyclic hydrocarbyl group bonded directly to the bicyclo ring system (Class 568/736)
- Halogen or polyhydroxy containing (Class 568/737)
- Preparing from aryl sulfonate (Class 568/738)
- Preparing from compound which includes halogen bonded directly to a benzene ring (Class 568/739)
- Preparing by dehydrogenation (Class 568/740)
- Preparing from peroxide or preparing by oxidation (Class 568/741)
- Purification or recovery (Class 568/742)
- The additional ring is six-membered (Class 568/743)
- From mixture of phenols (Class 568/750)
- Of polyhydroxy phenol (Class 568/753)
- Of phenol prepared by cleavage of hydroperoxide or other peroxide (Class 568/754)
- Of halogen containing phenol (Class 568/755)
- Of phenol having acyclic polycarbon hydrocarbyl group bonded directly to the benzene ring (Class 568/756)
- Nitrogen or phosphorus containing compound utilized (Class 568/757)
- Sorbent material utilized (Class 568/758)
- From substance which includes sulfur or a sulfur containing compound (Class 568/759)
- From ammoniacal liquor (Class 568/760)
- From oil or tar derived from fossil fuel or wood (Class 568/761)
- Hydroxymethyl group containing (Class 568/764)
- Halogen containing (Class 568/765)
- Acyclic polycarbon hydrocarbyl group bonded directly to the benzene group (Class 568/766)
- Preparing from nitrogen containing compound (Class 568/767)
- Preparing by cleavage of hydroperoxide or other peroxide (Class 568/768)
- Preparing from aryl sulfonate (Class 568/769)
- Preparing from compound which includes halogen bonded directly to a benzene ring (Class 568/770)
- Preparing by oxidation (Class 568/771)
- Preparing by reduction or dehydrogenation (e.g., by hydrogenation, etc.) (Class 568/772)
- Preparing hydroquinones from an acetylene and carbon monoxide (Class 568/773)