US4986922A
Expired / Lapsed
US
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Softening compositions including quaternary ammonium functional siloxanes
Assignee: Dow Silicones Corp
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Filing: 1990-04-04
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Granted: 1991-01-22
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Expires: 2010-04-04
Abstract
Abstract A fabric softener including a silicon compound having the formula [(R.sub.3 SiO).sub.2 --SiR--(CH.sub.2).sub.a ].sub.b N.sup.+ R'.sub.4-b X - wherein R is an alkyl radical having one to six carbon atoms; R' is an alkyl or aryl radical having one to eighteen carbon atoms; X is chloride, bromide, iodide, nitrate, or RSO 4 - ; a is an integer having a value from one to ten; and b is an integer having a value of two or three.
Inventors
- 👤 Steven A. Snow
- 👤 Linda M. Madore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:42
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C11; C11D; C11D3/00; C11D3/0005; C11D3/001; C11D3/0015; C11D3/16; C11D3/162; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
92 words
A softening composition comprising a mixture of at least one surfactant which is anionic and a silicone compound having the formula [(R.sub.3 SiO).sub.2 --SiR--(CHR").sub.a ].sub.b N.sup.+ R'.sub.4-b X.sup.- wherein R is an alkyl radical having one to six carbon atoms; R' is an alkyl or aryl radical having one to eighteen carbon atoms; R" is hydrogen or R'; X is chloride, bromide, iodide, nitrate, or RSO 4 - ; a is an integer having a value from one to ten; and b is an integer having a value of two or three.
Claim 2
Dependent Claim
92 words
A softening composition comprising a mixture of at least one surfactant which is anionic and a silicone compound having the formula [(R.sub.3 SiO).sub.2 --SiR--(CHR").sub.a ].sub.b N.sup.+ R'.sub.4-b X.sup.- wherein R is an alkyl radical having one to six carbon atoms; R' is an alkyl or aryl radical having one to eighteen carbon atoms; R" is hydrogen or R'; X is chloride, bromide, iodide, nitrate, or RSO 4 - ; a is an integer having a value from one to ten; and b is an integer having a value of two or three.
Claim 3
Dependent Claim
30 words
The composition of claim 1 in which the compound is [(Me 3 SiO) 2 SiMe(CH 2 ) 3 ] 2 N + Me 2 I - wherein Me is methyl.
Claim 4
Dependent Claim
27 words
The composition in accordance with claim 1 including a carrier fluid selected from the group consisting of water, ethanol, isopropanol, butanol, hexanol, propylene glycol, and diethylene glycol.
Claim 5
Dependent Claim
25 words
The composition in accordance with claim 1 in which the mixture includes on a weight basis about 0.5 to 5.0 percent of the silicone compound.
Claim 6
Dependent Claim
81 words
A softening composition comprising a mixture of at least one surfactant which is anionic and a silicone compound having the formula [(R.sub.3 SiO).sub.2 --SiR--(CHR").sub.a ].sub.2 N.sup.+ R'.sub.2 X.sup.- wherein R is an alkyl radical having one to six carbon atoms; R' is an alkyl or aryl radical having one to eighteen carbon atoms; R" is hydrogen or R'; X is chloride, bromide, iodide, nitrate, or RSO 4 - ; and a is an integer having a value from one to ten.
Claim 7
Dependent Claim
81 words
A softening composition comprising a mixture of at least one surfactant which is anionic and a silicone compound having the formula [(R.sub.3 SiO).sub.2 --SiR--(CHR").sub.a ].sub.2 N.sup.+ R'.sub.2 X.sup.- wherein R is an alkyl radical having one to six carbon atoms; R' is an alkyl or aryl radical having one to eighteen carbon atoms; R" is hydrogen or R'; X is chloride, bromide, iodide, nitrate, or RSO 4 - ; and a is an integer having a value from one to ten.
Claim 8
Dependent Claim
30 words
The composition of claim 5 in which the compound is [(Me 3 SiO) 2 SiMe(CH 2 ) 3 ] 2 N + Me 2 I - wherein Me is methyl.
Claim 9
Dependent Claim
27 words
The composition in accordance with claim 5 including a carrier fluid selected from the group consisting of water, ethanol, isopropanol, butanol, hexanol, propylene glycol, and diethylene glycol.
Claim 10
Dependent Claim
25 words
The composition in accordance with claim 5 in which the mixture includes on a weight basis about 0.5 to 5.0 percent of the silicone compound.
Claim 11
Dependent Claim
98 words
In a laundry detergent having fabric softening properties and including at least one fabric softening agent, the improvement comprising a silicone fabric softening agent having the formula [(R.sub.3 SiO).sub.2 --SiR--(CHR").sub.a ].sub.b N.sup.+ R'.sub.4-b X.sup.- wherein R is an alkyl radical having one to six carbon atoms; R' is an alkyl or aryl radical having one to eighteen carbon atoms; R" is hydrogen or R'; X is chloride, bromide, iodide, nitrate, or RSO 4 - ; a is an integer having a value from one to ten; and b is an integer having a value of two or three.
Claim 12
Dependent Claim
98 words
In a laundry detergent having fabric softening properties and including at least one fabric softening agent, the improvement comprising a silicone fabric softening agent having the formula [(R.sub.3 SiO).sub.2 --SiR--(CHR").sub.a ].sub.b N.sup.+ R'.sub.4-b X.sup.- wherein R is an alkyl radical having one to six carbon atoms; R' is an alkyl or aryl radical having one to eighteen carbon atoms; R" is hydrogen or R'; X is chloride, bromide, iodide, nitrate, or RSO 4 - ; a is an integer having a value from one to ten; and b is an integer having a value of two or three.
Claim 13
Dependent Claim
33 words
The detergent of claim 9 in which the softening agent is the compound [(Me 3 SiO) 2 SiMe(CH 2 ) 3 ] 2 N + Me 2 I - wherein Me is methyl.
Claim 14
Dependent Claim
27 words
The detergent in accordance with claim 9 including a carrier fluid selected from the group consisting of water, ethanol, isopropanol, butanol, hexanol, propylene glycol, and diethylene glycol.
Claim 15
Dependent Claim
26 words
The detergent in accordance with claim 11 in which the detergent includes at least one surfactant selected from the group consisting of anionic and nonionic surfactants.
Claim 16
Dependent Claim
31 words
The detergent in accordance with claim 12 in which the ratio between the anionic surfactant and the nonionic surfactant is from about one to one to from about three to one.
Claim 17
Dependent Claim
27 words
The detergent in accordance with claim 13 in which the detergent includes on a weight basis about 0.5 to 5.0 percent of the silicone fabric softening agent.
Claim 18
Dependent Claim
30 words
The detergent in accordance with claim 14 in which the silicone is employed in an amount of about 0.05-0.3 percent by weight based on the weight of fabrics being treated.
Claim 19
Dependent Claim
87 words
In a laundry detergent having fabric softening properties and including at least one fabric softening agent, the improvement comprising a silicone fabric softening agent having the formula [(R.sub.3 SiO).sub.2 --SiR--(CHR").sub.a ].sub.2 N.sup.+ R'.sub.2 X.sup.- wherein R is an alkyl radical having one to six carbon atoms; R' is an alkyl or aryl radical having one to eighteen carbon atoms; R" is hydrogen or R'; X is chloride, bromide, iodide, nitrate, or RSO 4 - ; and a is an integer having a value from one to ten.
Claim 20
Dependent Claim
87 words
In a laundry detergent having fabric softening properties and including at least one fabric softening agent, the improvement comprising a silicone fabric softening agent having the formula [(R.sub.3 SiO).sub.2 --SiR--(CHR").sub.a ].sub.2 N.sup.+ R'.sub.2 X.sup.- wherein R is an alkyl radical having one to six carbon atoms; R' is an alkyl or aryl radical having one to eighteen carbon atoms; R" is hydrogen or R'; X is chloride, bromide, iodide, nitrate, or RSO 4 - ; and a is an integer having a value from one to ten.
Claim 21
Dependent Claim
34 words
The detergent of claim 16 in which the fabric softening agent is the compound [(Me 3 SiO) 2 SiMe(CH 2 ) 3 ] 2 N + Me 2 I - wherein Me is methyl.
Claim 22
Dependent Claim
27 words
The detergent in accordance with claim 16 including a carrier fluid selected from the group consisting of water, ethanol, isopropanol, butanol, hexanol, propylene glycol, and diethylene glycol.
Claim 23
Dependent Claim
26 words
The detergent in accordance with claim 18 in which the detergent includes at least one surfactant selected from the group consisting of anionic and nonionic surfactants.
Claim 24
Dependent Claim
31 words
The detergent in accordance with claim 19 in which the ratio between the anionic surfactant and the nonionic surfactant is from about one to one to from about three to one.
Claim 25
Dependent Claim
27 words
The detergent in accordance with claim 20 in which the detergent includes on a weight basis about 0.5 to 5.0 percent of the silicone fabric softening agent.
Claim 26
Dependent Claim
30 words
The detergent in accordance with claim 21 in which the silicone is employed in an amount of about 0.05-0.3 percent by weight based on the weight of fabrics being treated.
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