CFC amount has been growing over the years. They do destroy ozone very much.
Freon wasn't banned - Freon is a name trademarked by DuPont for a line of CFC and HFC refrigerants they manufactured. What was banned were CFC refrigerants (such as R12). They were banned from further production due to the negative environmental effects they have.
"Freon" is a trademark name of DuPont for a series of HFC and CFC refrigerants which they manufactured - other companies manufactured and continue to manufacture the same refrigerants, but cannot use the name Freon for their product. Some of the refrigerants marketed under the name Freon are flammable, and some are not. The CFC refrigerants will almost certainly be flammable - the HFC refrigerants may or may not be.
"Freon" is a trademark name of the the DuPont Corporation for a series of CFC and HFC refrigerants manufactured and marketed by them - thus, it's only actually Freon if it's manufactured by them and marketed by that name. They all use some form of refrigerant, but not all of them use CFC or HFC refrigerants. There are refrigeration units which use straight ammonia, for example.
the years of 1975 and 1987
Yes and no... Freon is a name trademarked bu DuPont for their line of CFC and HFC refrigerants... so it's not actually Freon unless manufactured by DuPont and marketed as such. Not all refrigerant is made by DuPont, and not all refrigerant is of the HFC or CFC type.
The Italian League winners of the year 1900 were Genoa CFC.
The Italian League winners of the year 1901 were Milan CFC.
The Italian League winners of the year 1914 were Genoa CFC.
The Italian League winners of the year 1923 were Genoa CFC.
The Italian League winners of the year 1924 were Genoa CFC.
Angoulême CFC was created in 1920.