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Article: Patent No. 7,569,736 Issued on Aug. 4, Assigned to Perstorp Specialty Chemicals for Monopentaerythritol Producing Process (Swedish Inventors)
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- US Fed News Service, Including US State News
- Article date:
- August 8, 2009
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ALEXANDRIA, Va., Aug. 8 -- Hans-Ake Bengtsson of Bjarnum, Sweden, and Lars-Henrik Nyman of Hassleholm, Sweden, have developed a process for producing monopentaerythritol of high purity. The inventors were issued U.S. Patent No. 7,569,736 on Aug. 4.
The patent has been assigned to Perstorp Specialty Chemicals AB, Perstorp, Sweden.
According to the abstract released by the U.S. Patent & Trademark Office: "The invention relates to a process for producing monopentaerythritol of high purity and monopentaerythritol produced by the process. Formaldehyde is reacted with acetaldehyde in an aqueous solution in the presence of a strongly basic hydroxide in a conventional way. The obtained reaction ...
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Article: Patent No. 7,618,644 Issued on Nov. 17, Assigned to Ciba ...
US Fed News Service, Including US State News;
November 18, 2009 ;
451 words
... ... The patent has been assigned to Ciba Specialty Chemicals Corp., Tarrytown, N.Y. According ... 7618644 For more information about US Fed News contract awards please contact: Sarabjit Jagirdar, US Fed News, Email:- htsyndication@hindustantimes ...
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