Patent
Correcting agent for photomechanically produced printing
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TLDR
A correcting agent for photomechanically produced printing forms consisting essentially of 10 to 30 per cent by weight of 2-methoxyethanol or 2-ethoxy-ethanol, or a mixture of both as mentioned in this paper.Abstract:
This invention relates to a correcting agent for photomechanically produced printing forms consisting essentially of 10 to 30 per cent by weight of 2-methoxyethanol or 2-ethoxyethanol, or a mixture of both; 10 to 30 per cent by weight of methyl isobutyl ketone, ethyl isobutyl ketone, or 2,4-dimethyl pentanone(-3), or a mixture of two or all of these ketones; 5 to 20 per cent by weight of dimethyl sulfoxide; 10 to 20 per cent by weight of benzyl alcohol; 10 to 20 percent by weight of phosphoric acid (85%, rest water); 0 to 7 per cent by weight of water (in addition to the water contained in the 85% phosphoric acid solution); 0 to 10 per cent by weight of glycerol; 0 to 20 per cent by weight of finely divided silica, and 0 to 0.1 per cent by weight of a dyestuff.read more
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Patent
Plate surface correcting solution for dry lithographic printing plate
TL;DR: A process of correcting a dry lithographic printing plate which comprises applying to an unwanted area of an ink-accepting area in the dry printing plate consisting of ink-repellent areas comprising a silicone rubber layer and ink accepting area, a correcting solution comprising the following components: ______________________________________ amount (parts by weight)______________________________________(a) Linear organopolysiloxane having three 100 alkoxy groups at both terminal ends(b) Titanium based condensation catalyst 0.1 to 5(c) organic solvent.
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Method for making corrections on planographic printing plates
TL;DR: In this paper, a method for correcting mistakes and other imperfections in printing members is disclosed, where the ink accepting areas of the printing member are rendered non-ink accepting by treatment with a deletion fluid.
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Journal ArticleDOI
The condensed chemical dictionary
Arthur W. Rose,Elizabeth Rose +1 more
TL;DR: The AATA Chemical Dictionary as mentioned in this paper provides short precise definitions, formulas of compounds, their properties, uses, shipping regulations, grades, and similar information, and is an indispensable reference tool for any reference library with scientific literature.