The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 2006
Filed:
Oct. 10, 2003
Edze Jan Tijsma, Maastricht, NL;
Johannes Gijsbertus Antonius Terlingen, Landgraaf, NL;
Saskia Haas-schrijen, Kerkrade, NL;
Hein Herman Vriesema, Bunde, NL;
Edze Jan Tijsma, Maastricht, NL;
Johannes Gijsbertus Antonius Terlingen, Landgraaf, NL;
Saskia Haas-Schrijen, Kerkrade, NL;
Hein Herman Vriesema, Bunde, NL;
OMS Investments, Inc., Los Angeles, CA (US);
Abstract
A controlled release product is provided having a suppressed initial release period and a predetermined longevity. The product includes a particulate water soluble core material and a semi-permeable coating layer applied on the core material for controlling the release rate of the core material. The semi-permeable coating layer is formulated in accordance with the following equation to provide a release rate wherein initial release of core material from the product is suppressed so that less than about 15 weight percent of core material is released from the product within a 24 hour period after application of the product and wherein longevity of release, at ambient temperature, between the time of application and the time at which at least about 75 weight percent of the core material is released from the product is 60 days or less:wherein: