The first marker pen was patented in 1910 by Lee Newman who utilized a soft tip made of hard-pressed felt. Generally speaking, all marker pens have their own ink source with a porous tip made from felt or ceramic materials. They first hit the U.S. market in the 1960s and very quickly became a must-have writing tool. Their instant popularity led to the creation of better markers designed for expanded applications at home, work and in the classroom.
Prevent the marker from drying out, people made the uppered part of the marker contains the nib that was made in earlier time of a hard felt material and added a cap of the tip. Until the early 1990s the most common solvents that were used for the ink were toluene and xylene. These two substances are both harmful and characterized by a very strong smell. Today, the ink is usually made on the basis of alcohols.
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