Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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B29B
PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
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17/00
Recovery of plastics or other constituents of waste material containing plastics;
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B29B17/02
Separating plastics from other materials
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B29B2017/0213
Specific separating techniques
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B29B2017/0293
Dissolving the materials in gases or liquids
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B29B2017/0296
Dissolving the materials in aqueous alkaline solutions, e.g. NaOH or KOH
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