Benzene Ring Bonded Directly To The Sulfonate Sulfur (e.g., Purification And Neutralization Of Benzene Sulfonic Acids, Etc.) Patents (Class 562/45)
- Chalcogen or nitrogen bonded directly to the -C(=X)- group (Class 562/47)
- Benzene ring bonded directly to each nitrogen of a -NH-C(=X)-NH-group, wherein X is chalcogen and substitution may be made for hydrogen only (Class 562/48)
- Stilbene containing (Class 562/51)
- Plural -C(=X)- groups attached indirectly to the sulfonate group by nonionic bonding (Class 562/52)
- Acyclic carbon bonded directly to the -C(=X)- group (Class 562/55)
- The -C(=X)- is part of a -C(=X)X- group, wherein the X's may be the same or diverse chalcogens (Class 562/56)
- Plural benzene rings bonded directly to each other or to the same acyclic carbon (Class 562/59)
- Stilbene containing (Class 562/60)
- Plural benzene rings bonded directly to the same nitrogen (Class 562/61)
- Sulfonyl bonded directly to the nitrogen (Class 562/65)
- The nitrogen is attached indirectly to a benzene ring by acyclic nonionic bonding (Class 562/66)
- Polycyclo ring system consisting of benzene rings bonded directly to the sulfonate group (Class 562/68)
- Nitro or nitroso bonded directly to the polycyclo ring system (Class 562/69)
- Oxygen bonded directly to the polycyclo ring system (e.g., aminonaphthol sulfonic acid, etc.) (Class 562/70)
- Halogen, plural nitrogens, or additional sulfonate group bonded directly to the polycyclo ring system (Class 562/72)
- Nitro or halogen bonded directly to a benzene ring (Class 562/73)
Nonsulfonate chalcogen attached indirectly to the sulfonate group by nonionic bonding (Class 562/74)
- Two benzene rings bonded to the nonsulfonate chalcogen (e.g., phenoxyphenyl compounds, etc.) (Class 562/75)
- Plural carbons bonded directly to the nonsulfonate chalcogen (e.g., ethers, sulfones, etc.) (Class 562/76)
- Halogen attached indirectly to the sulfonate group by nonionic bonding (Class 562/78)
- The sulfonate group and oxygen are bonded directly to the same polycyclo ring system which consists of benzene rings (Class 562/79)
- Plural oxygens bonded directly to the same benzene ring (Class 562/81)
- The sulfonate group, oxygen, and alkyl of at least 4 carbons are bonded directly to the same benzene ring (Class 562/82)