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US 6,441,059 B1Granted
Agricultural method and materials for screening solar radiation
AssigneesMerck Patent GmbH, Hyplast N.V.
InventorsManfred Kieser, Gerhard Edler, Tony Leon Filip Daponte, Patrick Corneel Mathilde Verschaeren
Life of this patent
Estimating the term…
Abstract
Composite material for the screening of radiation, comprising a polymer, an additive and the customary stabilizers and processing aids necessary for the particular polymer. The additive is preferably an interference pigment.
Claims9
Solar radiation screening composite material consisting essentially of
- a transparent polymer selected from the group consisting of low density polyethylene, ethylenevinylacetate copolymer, polytetrafluoroethylene, polyvinylidenechloride, polyvinyl chloride, polycarbonate, polymethacrylate or mixtures thereof;
- and
- a green interference pigment, wherein no more than 5% of visible and near infrared light is absorbed.
A method of growing plants exposed to solar radiation, which comprises;
- screening the plant from solar radiation with a screen which comprises:
- a transparent polymer selected from the group consisting of low density polyethylene, ethylenevinylacetate copolymer, polytetrafluorethylene, polyvinylidenechloride, polyvinyl chloride, polycarbonate, polymethacrylate or mixtures thereof;
- and a green interference pigment.
Dependencies are inferred from the claim text.