US 12,227,601 B2
Polymeric materials
Carl Waterson, Ellesmere Port (GB); Richard David Hayton, Ellesmere Port (GB); and Ian Malcolm McRobbie, Ellesmere Port (GB)
Assigned to INNOSPEC LIMITED, Ellesmere Port (GB)
Appl. No. 17/428,096
Filed by INNOSPEC LIMITED, Ellesmere Port (GB)
PCT Filed Jan. 31, 2020, PCT No. PCT/GB2020/050233
§ 371(c)(1), (2) Date Aug. 3, 2021,
PCT Pub. No. WO2020/161472, PCT Pub. Date Aug. 13, 2020.
Claims priority of application No. 1901494 (GB), filed on Feb. 4, 2019.
Prior Publication US 2022/0033532 A1, Feb. 3, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08F 2/01 (2006.01); C08F 2/00 (2006.01)
CPC C08F 2/01 (2013.01) [C08F 2/002 (2013.01)] 25 Claims
OG exemplary drawing
 
1. An Apparatus for undertaking a polymerisation reaction to produce a drag reducing polymer, the apparatus comprising:
(a) an elongate housing; and
(b) an elongate receptacle within the housing, said receptacle being arranged to receive reagents for reaction in the apparatus to produce a drag reducing polymer, wherein
said receptacle comprises a plastic film material which has a thickness of at least 20 μm and a thickness of less than 2000 μm; and/or
wherein the internal wall area of the receptacle is defined as the area of the receptacle which is arranged to contain material,
wherein at least 50% of the internal wall area is defined by a said plastic film material which consists of a single layer.