Matches 1 - 5 out of 5
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EP0480898A1 Measuring process for monitoring and controlling ring and traveller spinning or twisting machines, and apparatus for measuring the rotational speed of the yarn driven by the traveller.  
Measuring process for monitoring and controlling ring- (2) and traveller- (3) spinning or twisting machines which may comprise an upstream drawing-out (take-off) device and in which machines a yarn...
EP0298942A1 Plastic foil.  
The invention relates to a foil (1,3,6,9) of a plastic material to be used in agriculture and horticulture for protection of growing plants. According to the invention the foil is more easily...
4686790 Degradable agricultural plastic articles, e.g., mulching film, comprising slowly released multinutrients in matrix of thermoplastic, and process for preparing same  
An agricultural mulch film is prepared by mixing conventional plant nutrients with a water-soluble polymer such as polyvinyl alcohol. The mixture is cast in the liquid form and allowed to dry to...
3984940 Degradable plastic  
Films and containers are made from polymers of propylene such as polypropylene which contains a small amount of stabilizer whereby the rapid degradation rate of polypropylene can be controlled so...
3896585 Furnace or thermal black in degradable agricultural mulch  
In a degradable agricultural mulch comprising a degradable film of polybutene-1 or polypropylene which is at least about 40% isotactic, which film is about 0.4 to 20 mils thick and has a TALU...
Matches 1 - 5 out of 5