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US4986922A Expired / Lapsed US ⏱️ 0.0 years remaining

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
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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.

References Cited (Backward Citations)

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US3624120A Cited
US3661964A Cited
US4006176A Cited
GB1549180A Cited
US4699988A Cited
US4918210A Cited
US4784799A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-01-21 1994-07-23 1995-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-01-21 1998-07-23 1999-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-01-21 2002-07-23 2003-01-22 $7700.00 Window Closed / Lapsed

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