Alliance Gas Systems, Inc

Alliance Gas Systems, Inc

Hope Molinaro

Alliance Gas Systems, Inc., of Chesterfield Twp., Mich., reports that it has been awarded U.S. Patent No. 6,579,489, dated June 17, 2003, for its water-assisted injection-molding process, called Hydrojection. The broad-coverage patent includes a multitude of methods for the injection and evacuation of water in the resin melt. It grants Alliance the only patented water injection molding process in the world, the company says.

COPYRIGHT 2003 Society of Plastics Engineers, Inc.

COPYRIGHT 2008 Gale, Cengage Learning