1937, same year hemp was essentially made illegal (controversy)
One of the most important fact about nylon is about its name. You may not know how nylon got its name. Nylon was discovered and patented by two nations - New York and London. It was patented on the same day. So people called it NYLON in which NY stands for New York and LON stands for London.
Nylon is a generic term for the polyamide type product of polymeriation of a diamine and a dicarboxylic acid. There are two monomers in this case. In the particular case of Nylon 6 patented by Dupont (produced more often in the US), the specific monomers are hexamethylene diamine and adipic acid. In the case of Nylon 6,6 (produced more often in European countries) the company BASF uses a ring opening polymerization of caprolactam.Nylon is a generic term for the polyamide type product of polymeriation of a diamine and a dicarboxylic acid. There are two monomers in this case. In the particular case of Nylon 6 patented by Dupont (produced more often in the US), the specific monomers are hexamethylene diamine and adipic acid. In the case of Nylon 6,6 (produced more often in European countries) the company BASF uses a ring opening polymerization of caprolactam.
Nylon is a generic term for the polyamide type product of polymeriation of a diamine and a dicarboxylic acid. There are two monomers in this case. In the particular case of Nylon 6 patented by Dupont (produced more often in the US), the specific monomers are hexamethylene diamine and adipic acid. In the case of Nylon 6,6 (produced more often in European countries) the company BASF uses a ring opening polymerization of caprolactam.Nylon is a generic term for the polyamide type product of polymeriation of a diamine and a dicarboxylic acid. There are two monomers in this case. In the particular case of Nylon 6 patented by Dupont (produced more often in the US), the specific monomers are hexamethylene diamine and adipic acid. In the case of Nylon 6,6 (produced more often in European countries) the company BASF uses a ring opening polymerization of caprolactam.
The saxophone was invented by Adolphe Sax and he patented it in 1846.
No cheerleading is not patented, it is not able to be patented as it is not an object or product. However cheerleading related clothing items, designs, and toys can be patented
Doritos were patented in 1966.
No one has patented the internet
No, braille was never patented.
nylon 6 and nylon 66 are the two most briefly divided types of nylon.
Atom patented the first chainsaw. They were also the ones who manufactured the first patented chainsaw. It was patented in 1972.
nylon
nylon is a polymer