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Publication Title | United States Patent US7041751 METHOD OF POLYMERIZING PREDETERMINED CHEMICAL COMPONENTS

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(12)United States Patent Jachuck eta].

(54) METHOD OF POLYMERIZING PREDETERMINED CHEMICAL COMPONENTS

(75) Inventors:RoshanJeetJeeJachuck,Newcastle Upon Tyne (GB); Michael Jones,

Hertfordshire (GB); Ian Henderson, Middlesbrough (GB)

'

(73) Ass1gnee: ProtensiveLimited(acompany

(10)Patent N0.: US 7,041,751 B2 (45)Date ofPatent: May 9,2006

(52) US. Cl. .. 526/88;526/67 (58) FieldofClassi?cationSearch .. 526/88, 526/67; 427/240

(*) Notice:

(21) APP1-NOJ _

Subjecttoanydisclaimer,thetermofthis patentisextendedoradjustedunder35 W0 WO00/48732 8/2000

(22) (86)

(87)

65 ()

(30)

PCTFlled:

PCTNo.:

Jul.22,2002 PCT/GB02/03341

incorporated in the UK), Cambridge (GB)

(56)

W0

See application ?le for complete search history. References Cited

US. PATENT DOCUMENTS

4,311,570 A * 1/1982 CoWen eta1. ........ 204/157.41 5,807,937A * 9/1998 MatyjasZeWskieta1. 526/135

FOREIGN PATENT DOCUMENTS

WO 00/48728 8/2000

USC‘ 1540’)by0days‘ 10/484,611

OTHER PUBLICATIONS

§371 (6X1)

(2)(4)Date’: Jan_202004

’ ’ PCTPub.No.:WO03/008460

PCT Pub‘ DatezJan' 30’ 2003

P - P bl- t- D t nor u leaIon aa

US 2004/0236039 A1 NOV- 25, 2004 _ _ _ _ _

ForelgnAPPhcatmn PrlorltyData

Jul.20 2001 ’

(51) Int.Cl. C08F 2/00

(GB) ..0117642

(2006.01)

US007041751B2

W0

Boodhoo,etal,Processintensi?cation:spinningdiskreactor for styrene polymerisation, Applied Thermal Engineering, 20(20011274146}

*citedbyexaminer

PrimaryExamineriFredTeskin (74)Attorney,Agent,orFirm4Garvey,Smith,Nehrbass& North, L.L.C.; Seth M. Nehrbass; Brett A. North

(57) ABSTRACT

A method of conducting polymerisation reactions on a

rotating surface reactorWhich alloWs substantially increased conversions (up to around 99%) to be achieved Without a

corresponding increase in polydispersity as Would be expected as a result of the TrommsdoriT-Norrish effect. The rotatingsurfacereactorservestodisentangleand/orstretch

growingPolymerchains50astoresultinbetterControlOver polymerisation kinetics.

23 Claims, 3 Drawing Sheets

WO 00/48731 8/2000

Image | United States Patent US7041751 METHOD OF POLYMERIZING PREDETERMINED CHEMICAL COMPONENTS



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