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:
Apr. 09, 1991
Filed:
Jul. 17, 1989
Warren A Thaler, Flemington, NJ (US);
Pacifico V Manalastas, Edison, NJ (US);
Evelyn N Drake, Lebanon, NJ (US);
Robert D Lundberg, Bridgewater, NJ (US);
Exxon Research and Engineering Company, Florham Park, NJ (US);
Abstract
An encapsulated water soluble fertilizer which comprises a polymeric film of about 2 to about 100 micrometers coated on a surface of said fertilizer, said polymeric film comprising a sulfonated polymer having about 10 to about 200 meq of sulfonate groups per 100 grams of said sulfonated polymer, said sulfonate groups being neutralized with a polycaprolactone polymer being characterized by the formula ##STR1## wherein R.sub.1 or R.sub.2 is an alkyl, cycloalkyl or aryl group; R.sub.3, R.sub.4 and R.sub.5 are a hydrogen or alkyl, cycloalkyl, or aryl groups; m equals 1 to 20 and n equals 1 to 500.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile