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Plant control composition and methods of use
OF THE INVENTION It now has been found that synergism in the defoliation of plants is exhibited by a combination of a thiozol-urea abscission agent and an adduct ...
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Methine dye synthesis
I claim: 1. Process for the preparation of a disperse methine dye containing at least one dicyanomethylidene group comprising the steps of (A) preparing an anhydrous ...
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Yellow dye mixture for thermal color proofing
What is claimed is: 1. A yellow dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of yellow dyes dispersed ...
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Optical card having optical grooves for access and wobbled marks for tracking and a recording-reproducing apparatus therefor
In order to enable recording in an optical card apparatus, a laser beam flux needs to be focused as a minute spot on an information recording surface. For this purpose, ...
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Packet switching testing method and apparatus
It is a primary object of the present invention to provide a packet switching testing method and a packet switching testing apparatus that are capable of attaining down-...
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Process for producing an organic photosensitive material preventing blushing
The assignment of the present invention therefore is to provide a process for producing an organic photosensitive material which effectively prevents blushing. According ...
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Phenothiazine leucodyes for electrochromic recording
We claim: 1. A substrate for electrochromic recording comprising bromide ions and characterized by also comprising a leucodye having the structure ##STR3## wherein R is ...
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Electrochromic marking systems
INCLUSIVE OF THE PREFERRED EMBODIMENTS More specifically, this invention in its composition of matter aspect resides in the novel 5-Q-9-(N-R.sup.2 -N-R.sup.3 -amino)-12-...
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Color thermal diffusion-transfer with leuco dye reducing agent
The present invention provides a photothermographic composite structure comprising (1) a dyeable image-receiving element comprising a polymeric image-receiving layer ...
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Stabilized leuco phenazine dyes and their use in an imaging system
The thermographic systems of this invention comprise a leuco dye which is capable of being oxidized to give a change in color, a nitrate salt, wherein the cation of the ...
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