Non-fiber Additive Patents (Class 162/158)
- Ion exchange resin or molecular sieve (Class 162/164.2)
- Epoxy containing reactant (Class 162/164.3)
- Silicon containing (Class 162/164.4)
- Sulfur containing (Class 162/164.5)
- Nitrogen containing (Class 162/164.6)
- Ester type (Class 162/164.7)
- Phenol-aldehyde (Class 162/165)
- Amine- or amide-aldehyde (Class 162/166)
- Polymerized unsaturated compound (Class 162/168.1)