Odorant for gas
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Nov 24, 2005
app pub date -
Oct 10, 2003
filing date -
Nov 27, 2000
priority date (Note) -
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Abstract
The present invention relates to an odorant for town gas, comprising norbornene or a norbornene derivative with a diluent and optionally further additives. The odorant according to the invention is characterized in that it is sulfur-free and of low toxicity, but is absorbed by the earth only in a small amount and develops a distinct warning odor even in low concentrations.
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