Lubricant Additives

Ashless Phosphorus-Containing Lubricating Oil Additives 107

TABLE 3.18 Principal Suppliers of Ashless Phosphorus-Containing Lubricating Oil AdditivesProducer

Neutral

Phosphates

Alkyl/Aryl Acid Phosphates

Amine

Phosphates

Neutral

Phosphites

Acid

Phosphites

Alkyl

Phosphonates

Alkyl

Aryl

Nonethoxylated

Ethoxylated

Alkyl

Aryl

Asahi Denka

××

Chemtura ×

×

×

×

×

Ciba Spec. Chem.

×

×

×

Croda

×

×

×

Daihachi

×

×

Dover Chemicals

××

Johoku Chemicals

×

×

×

×

×

Krishna

××

Lanxess

×

×

Libra Chemicals

×

×

×

Rhein Chemie

×

×

×

Rhodia

×

×

×

×

×

×

×

×

×

Sumitomo

××

Supresta

×

×

United Phosphorus

×

×

×

Vanderbilt

×