DE3772612D1 - DEFOAM MIXTURE. - Google Patents

DEFOAM MIXTURE.

Info

Publication number
DE3772612D1
DE3772612D1 DE8787105302T DE3772612T DE3772612D1 DE 3772612 D1 DE3772612 D1 DE 3772612D1 DE 8787105302 T DE8787105302 T DE 8787105302T DE 3772612 T DE3772612 T DE 3772612T DE 3772612 D1 DE3772612 D1 DE 3772612D1
Authority
DE
Germany
Prior art keywords
pref
alkyl
formula
defoam
mixture
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 - Fee Related
Application number
DE8787105302T
Other languages
German (de)
Inventor
Rainer Hoefer
Karlheinz Schmid
Adolf Asbeck
Uwe Held
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 DE19863613128 external-priority patent/DE3613128A1/en
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to DE8787105302T priority Critical patent/DE3772612D1/en
Application granted granted Critical
Publication of DE3772612D1 publication Critical patent/DE3772612D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

1. A block copolymer (I) used as a foam inhibitor has the formula given in DE3531212.3, with R = trimethylolpropane-or trimethylolethane-residue. (This formula is as follows): (I) (as specified in the Master Patent or ad modified above) is used in combination with an emulsifier (II) of formula R1O-(CH2CH2O)n-R2 R1 = 8-20C alkyl or alkenyl or 12-20C alkylaryl; R2 = 4-6C alkyl; n = 6-20. 2. The above mixt. is claimed as such, with R1 = 12-18C alkyl or alkenyl. Pref. amts. are 99-70 (esp. pref. 96-80) wt.% (I) and 1-30 (esp. pref. 4-20 wt.% (II).
DE8787105302T 1986-04-18 1987-04-10 DEFOAM MIXTURE. Expired - Fee Related DE3772612D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787105302T DE3772612D1 (en) 1986-04-18 1987-04-10 DEFOAM MIXTURE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863613128 DE3613128A1 (en) 1985-08-31 1986-04-18 DEFOAMER
DE8787105302T DE3772612D1 (en) 1986-04-18 1987-04-10 DEFOAM MIXTURE.

Publications (1)

Publication Number Publication Date
DE3772612D1 true DE3772612D1 (en) 1991-10-10

Family

ID=25843009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787105302T Expired - Fee Related DE3772612D1 (en) 1986-04-18 1987-04-10 DEFOAM MIXTURE.

Country Status (2)

Country Link
AT (1) ATE66824T1 (en)
DE (1) DE3772612D1 (en)

Also Published As

Publication number Publication date
ATE66824T1 (en) 1991-09-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee