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:
Sep. 21, 1999
Filed:
Jul. 03, 1997
Ichiro Aiga, Osaka-fu, JP;
Katsusuke Murakami, Hyogo-ken, JP;
Shuhei Ikado, Kanagawa-ken, JP;
Ryu Nakamura, Kanagawa-ken, JP;
Ryu Oi, Kanagawa-ken, JP;
Kazuhiro Seino, Kanagawa-ken, JP;
Keisuke Takuma, Kanagawa-ken, JP;
Mitsui Chemicals, Inc., Tokyo, JP;
Abstract
A method for controlling plant growth by exposing plants to light passing through a covering material comprising a base material containing a colorant. The type and content of the colorant are chosen to provide a photosynthetically effective photon flux (PPF) transmittance of 50% or greater when light is passed through the covering material, and an A value suitable for the purpose of promoting or retarding the growth of plants irradiated with light transmitted by the covering material, the A value being defined by the following equation: