Environmentally-Friendly Lubricant Compositions
First Claim
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1. An environmentally compatible lubricant additive composition comprising four or more tribologically functional components, wherein each component is selected from the group consisting of a non-persistent material, a non-bioaccumulative material, and a non-toxic material, and the additive composition is devoid of components that are persistent, bioaccumulative, and toxic.
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Abstract
A lubricant additive composition having environmentally compatible characteristics as defined by European Council Directive 67/548/EEC is disclosed. Such a composition may include components selected from non-persistent materials, non-bioaccumulative materials, or non-toxic materials.
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Citations
58 Claims
- 1. An environmentally compatible lubricant additive composition comprising four or more tribologically functional components, wherein each component is selected from the group consisting of a non-persistent material, a non-bioaccumulative material, and a non-toxic material, and the additive composition is devoid of components that are persistent, bioaccumulative, and toxic.
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24. An environmentally compatible lubricating composition, comprising:
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a) a major amount of a base oil; and b) a minor amount of an additive composition, comprising four or more tribologically functional components, wherein each component comprises at least one of;
an acceptable level biodegradation as determined by a biodegradation test, a bioconcentration factor below 2000, or is devoid of a toxic effect at an aqueous concentration below 0.01 mg/L on a toxicity test. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A method of making an environmentally compatible lubricant composition, comprising combining a major amount of a base oil and a minor amount of an additive composition, comprising four or more tribologically functional components, wherein each component is selected from:
- a material having an acceptable level of biodegradation, a material having a bioconcentration factor below 2000, and a material that is devoid of a toxic effect at an aqueous concentration below 0.01 mg/L on a toxicity test, wherein the lubricant composition complies with European Council Directive 67/548/EEC.
- View Dependent Claims (43, 44, 45, 46, 47)
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48. An environmentally compatible lubricating composition comprising:
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a) a major amount of a base oil; and b) a minor amount of an additive composition, comprising four or more tribologically functional components, wherein each component is selected from the group consisting of non-persistent materials, non-bioaccumulative materials and non-toxic materials, and the additive composition is devoid of components that are persistent, bioaccumulative, and toxic. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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Specification