CA1080740A - Agents tensioactifs a base de copolymeres a plusieurs sequences de polyoxyalkylene - Google Patents

Agents tensioactifs a base de copolymeres a plusieurs sequences de polyoxyalkylene

Info

Publication number
CA1080740A
CA1080740A CA256,457A CA256457A CA1080740A CA 1080740 A CA1080740 A CA 1080740A CA 256457 A CA256457 A CA 256457A CA 1080740 A CA1080740 A CA 1080740A
Authority
CA
Canada
Prior art keywords
oxyethylene
oxypropylene
units
group
weight percent
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.)
Expired
Application number
CA256,457A
Other languages
English (en)
Inventor
William K. Langdon
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.)
BASF Corp
Original Assignee
BASF Wyandotte Corp
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 US05/654,268 external-priority patent/US4072704A/en
Application filed by BASF Wyandotte Corp filed Critical BASF Wyandotte Corp
Application granted granted Critical
Publication of CA1080740A publication Critical patent/CA1080740A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Polyethers (AREA)
CA256,457A 1976-02-02 1976-07-07 Agents tensioactifs a base de copolymeres a plusieurs sequences de polyoxyalkylene Expired CA1080740A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/654,268 US4072704A (en) 1974-08-19 1976-02-02 Multi-block coupled polyoxyalkylene copolymer surfactants

Publications (1)

Publication Number Publication Date
CA1080740A true CA1080740A (fr) 1980-07-01

Family

ID=24624157

Family Applications (1)

Application Number Title Priority Date Filing Date
CA256,457A Expired CA1080740A (fr) 1976-02-02 1976-07-07 Agents tensioactifs a base de copolymeres a plusieurs sequences de polyoxyalkylene

Country Status (1)

Country Link
CA (1) CA1080740A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6083524A (en) 1996-09-23 2000-07-04 Focal, Inc. Polymerizable biodegradable polymers including carbonate or dioxanone linkages

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6083524A (en) 1996-09-23 2000-07-04 Focal, Inc. Polymerizable biodegradable polymers including carbonate or dioxanone linkages
US6177095B1 (en) 1996-09-23 2001-01-23 Focal, Inc Polymerizable biodegradable polymers including carbonate or dioxanone linkages
USRE39713E1 (en) 1996-09-23 2007-07-03 Genzyme Corporation Polymerizable biodegradable polymers including carbonate or dioxanone linkages

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