Latest Alkenes Stories

An international team of scientists, led by researchers at the University of California, San Diego School of Medicine, has discovered the gene mutation responsible for a condition in which eye and brain development is severely disrupted in affected infants.They also suggest a potential remedy that would involve a simple, daily dietary supplement.The condition is one of the congenital disorders of glycosylation or CDG, a group of syndromes in which inborn metabolic errors result in serious,...

Dear Editor,As CEO of  Global Bioenergies, I wish to exercise our right of reply concerning the article in Redorbit, published June 24, 2010, on the conversion of renewable resources into the hydrocarbon gas isobutylene, a key building block for manufacturing fuels and elastomers (1). In this article, prior art is ignored and only the recent work by Dr. Thomas Bobik from Iowa State University, describing a  reaction catalyzed by an undisclosed enzyme for generating isobutylene under...

HOUSTON, June 25 /PRNewswire/ -- U.S. ethylene prices fell in June, with the July New York Mercantile Exchange's (NYMEX) cleared ethylene settling and expiring at $0.34 per pound. The contract, which began trading in July 2009, settled for June last month at $0.40 per pound. Ethylene trades in 100,000-pound lots per contract on the NYMEX's Clearport system and is a building block chemical used in the production of plastic resins and a variety of solvent chemicals, all used in major...

HOUSTON, May 27 /PRNewswire/ -- Chemical Market Associates, Inc. (CMAI) announces the completion of the 2010 World Ethylene Cost Study, based on a detailed analysis of more than 270 ethylene production facilities throughout the world, revealing the average ethylene plant production costs of each of the major producing regions and countries. (Logo: http://www.newscom.com/cgi-bin/prnh/20061109/CMALOGO) This study demonstrates how ethylene production costs are affected by plant size,...

HOUSTON, May 25 /PRNewswire/ -- U.S. ethylene prices fell in May, with the June New York Mercantile Exchange's (NYMEX) cleared ethylene settling and expiring at $0.40 per pound. The contract, which began trading in July 2009, settled for May last month at $0.50 per pound. Ethylene trades in 100,000-pound lots per contract on the NYMEX's Clearport system and is a building block chemical used in the production of plastic resins and a variety of solvent chemicals, all used in major consumer...

A new method of analyzing squalene and squalane, oils often used in the production of cosmetics and vaccines, can show whether they came originally from the liver oil of deepwater sharks or from olive oil.In 2006 the European Union imposed deep-sea shark fishing limits in the North-East Atlantic, and since 2008 some important cosmetic firms have declared that they have stopped using shark squalane. Up to now however there has been no way that a manufacturers could determine whether the...

HOUSTON, April 27 /PRNewswire/ -- U.S. ethylene prices were volatile during April, with the May New York Mercantile Exchange's (NYMEX) cleared ethylene settling and expiring at $0.50 per pound. The contract, which began trading in July 2009, settled for April last month at $0.615 per pound. Ethylene trades in 100,000-pound lots per contract on the NYMEX's Clearport system. In the overall cash markets, May ethylene traded from $0.5875 up to $0.68 during the first week of April and traded...

HOUSTON, March 26 /PRNewswire/ -- U.S. ethylene prices continued to rise during March, with the April New York Mercantile Exchange's (NYMEX) cleared ethylene settling and expiring at $0.615 per pound. The contract, which began trading in July 2009, settled for March last month at $0.51 per pound. Ethylene trades in 100,000-pound lots per contract on the NYMEX's Clearport system. In the overall cash markets, April ethylene traded up from $0.55 cents to $0.61 per pound since the end of...

HOUSTON, Feb. 23 /PRNewswire/ -- U.S. ethylene prices continued to rise during February, with the March New York Mercantile Exchange's (NYMEX) cleared ethylene settling and expiring at $0.54 per pound. The contract, which began trading in July 2009, settled for February last month at $0.4675 per pound. Ethylene trades in 100,000-pound lots per contract on the NYMEX's Clearport system. In the overall cash markets, March ethylene traded up from $0.51 cents to $0.54 per pound during February,...

HOUSTON, Jan. 26 /PRNewswire/ -- U.S. ethylene prices saw significant gains during January, with the February New York Mercantile Exchange's (NYMEX) cleared ethylene settling and expiring at $0.4675 per pound. The contract, which began trading in July 2009, settled last month at $0.3675 per pound. Ethylene trades in 100,000-pound lots per contract on the NYMEX's Clearport system. In the overall cash markets, ethylene traded up from $0.41 cents to $0.4675 per pound during January, according...