Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES542698ApriorityCriticalpatent/ES8606110A1/en
Publication of ES8606110A1publicationCriticalpatent/ES8606110A1/en
Publication of ES542698A0publicationCriticalpatent/ES542698A0/en
The material is made by (a) depositing a thin coating of coloured plastics material on a cotton fabric carrier (b) polymerising the coating at 150 deg.C (c) placing the coated cloth on a flat card surface and (d) puncturing it with needles incorporated in rollers, with adequate heat and pressure to produce very fine perforations and render the material transpirable.
ES542698A1985-04-291985-04-29Permeable plastics material mfr.
ExpiredES8606110A1
(en)