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US 6,281,292 B1Granted
Mixtures of copolymers having an improved lubricating action
AssigneeClariant GmbH
InventorsMatthias Krull, Werner Reimann, Markus Kupetz
Life of this patent
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Abstract
The invention relates to mixtures comprising A) from 10 to 90% by weight of at least one copolymer comprising structural units derived from ethylene and structural units derived from olefinically unsaturated, hydroxyl-containing compounds, and B) from 90 to 10% by weight of at least one copolymer comprising structural units derived from ethylene and structural units derived from vinyl esters, olefinically unsaturated ethers and/or acrylates.
Claims32
A mixture comprising
- A) from 10 to 90% by weight of at least one copolymer comprising structural units derived from ethylene and structural units derived from olefinically unsaturated, hydroxyl-containing compounds, and
- B) from 90 to 10% by weight of at least one copolymer comprising structural units derived from ethylene and structural units derived from vinyl esters, olefinically unsaturated ethers or (meth)acrylates,
- wherein copolymers A) and B) have melt viscosities, independently of one another of less than 10,000 mPas.
Dependencies are inferred from the claim text.