CA2643889A1 - Purification des polymeres a groupe fonctionnel isocyanate - Google Patents

Purification des polymeres a groupe fonctionnel isocyanate Download PDF

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Publication number
CA2643889A1
CA2643889A1 CA002643889A CA2643889A CA2643889A1 CA 2643889 A1 CA2643889 A1 CA 2643889A1 CA 002643889 A CA002643889 A CA 002643889A CA 2643889 A CA2643889 A CA 2643889A CA 2643889 A1 CA2643889 A1 CA 2643889A1
Authority
CA
Canada
Prior art keywords
group
combinations
solution
ether
oxide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002643889A
Other languages
English (en)
Inventor
Allison Foss Calabrese
Walter Skalla
Nadya Belcheva
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covidien LP
Original Assignee
Tyco Healthcare Group LP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US12/261,505 external-priority patent/US20090127195A1/en
Application filed by Tyco Healthcare Group LP filed Critical Tyco Healthcare Group LP
Publication of CA2643889A1 publication Critical patent/CA2643889A1/fr
Abandoned legal-status Critical Current

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  • Materials For Medical Uses (AREA)
CA002643889A 2007-11-20 2008-11-17 Purification des polymeres a groupe fonctionnel isocyanate Abandoned CA2643889A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US98920907P 2007-11-20 2007-11-20
US60/989,209 2007-11-20
US12/261,505 2008-10-30
US12/261,505 US20090127195A1 (en) 2007-11-20 2008-10-30 Purification of isocyanate functional polymers

Publications (1)

Publication Number Publication Date
CA2643889A1 true CA2643889A1 (fr) 2009-05-20

Family

ID=40640806

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002643889A Abandoned CA2643889A1 (fr) 2007-11-20 2008-11-17 Purification des polymeres a groupe fonctionnel isocyanate

Country Status (1)

Country Link
CA (1) CA2643889A1 (fr)

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20131119

FZDE Discontinued

Effective date: 20131119