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:
Mar. 20, 2001
Filed:
Feb. 16, 2000
Li Yang, San Diego, CA (US);
Xiaoming Yang, San Diego, CA (US);
Robert J. Petcavich, Del Mar, CA (US);
Lijun Mao, Murrieta, CA (US);
Planet Polymer Technologies, Inc., San Diego, CA (US);
Abstract
Fresh produce is preserved by coating the exterior surface of the produce with a coating composition comprising an aqueous solution of from about 0.5 to about 4 percent by weight of a cellulose derivative, preferably sodium carboxymethylcellulose, from about 0.05 to about 0.5 percent by weight of konjac, and from about 0.03 to about 0.1 percent by weight of surfactant, preferably dioctyl sodium sulfosuccinate. Optional constituents include antimicrobials, plasticizers and antifoaming agents. The coating composition is effective to control respiratory exchange, i.e., the passage of gases, particularly oxygen, ethylene, carbon dioxide and water vapor, into and out of the produce, thereby to control maturation and ripening of the produce.