Question #68223. Asked by caught_a_saint.
Last updated Jul 07 2021.
Beeker75
Answer has 5 votes
Currently Best Answer
Beeker75 19 year member
21 replies
Answer has 5 votes.
Currently voted the best answer.
Whomever invented it did it in 1964, when the plastic milk container came into common use.
Jul 14 2006, 12:01 PM
zbeckabee
Answer has 3 votes
zbeckabee Moderator 19 year member
11752 replies
Answer has 3 votes.
Ah, but perhaps it was invented in 1963?
Jul 14 2006, 1:44 PM
What-A-Mess
Answer has 2 votes
What-A-Mess
Answer has 2 votes.
Polyethylene, #4 LDPE,was discovered largely by accident in 1933 by scientists working for ICI.
POLYETHYLENE (HIGH DENSITY) #2 HDPE (milk jug)
HDPE (high-density polyethylene) and crystalline polypropylene are both plastic products. In 1951, methods of manufacturing these plastics were invented by research chemists Paul Hogan and Robert Banks of Phillips Petroleum.
Became commercially viable in 1967.
Jul 14 2006, 3:55 PM
What-A-Mess
Answer has 4 votes
What-A-Mess
Answer has 4 votes.
Polyethylene, #4 LDPE,was discovered largely by accident in 1933 by scientists working for ICI.
POLYETHYLENE (HIGH DENSITY) #2 HDPE (milk jug)
HDPE (high-density polyethylene) and crystalline polypropylene are both plastic products. In 1951, methods of manufacturing these plastics were invented by research chemists Paul Hogan and Robert Banks of Phillips Petroleum.
https://www.edn.com/polyethylene-synthesis-is-discovered-by-accident-again-march-27-1933/