← Back to Patent Explorer
US5154838A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid softener

Assignee: Kao Corp
•
Filing: 1991-05-09
•
Granted: 1992-10-13
•
Expires: 2011-05-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A liquid softener composition comprises water and an amidoamine compound (a) obtained by condensation reaction of a di- or triamine of the general formula (I) with a fatty acid of the general formula (II), or a neutral salt of the amidoamine compound with an inorganic or organic acid: R.sup.1 NH(C.sub.m H.sub.2m NH).sub.n H (I) ##STR1## wherein R 1 represents a straight chain or branched, saturated or unsaturated hydrocarbon group having 8 to 24 carbon atoms, R 2 represents a straight chain or branched, saturated or unsaturated hydrocarbon group having 7 to 23 carbon atoms, m represents 2 or 3, and n represents 1 or 2.

Inventors

  • 👤 Masaaki Yamamura
  • 👤 Junichi Inokoshi
  • 👤 Kazutaka Shiratsuchi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-10 02:29
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/405; C; C11; C11D; C11D1/00; C11D1/38; C11D1/52; C11D1/528; C11D3/00; C11D3/0005; C11D3/001; C11D3/0015

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 109 words
A liquid softener composition comprising water and an effective softening amount of an amidoamine compound (a) obtained by the condensation reaction of a di- or triamine of the general formula (I) with a fatty acid of the general formula (II), or a neutral salt of said amidoamine compound with an inorganic or organic acid: R.sup.1 NH(C.sub.m H.sub.2m NH).sub.n H (I) ##STR4## wherein R.sup.1 represents a straight chain or branched, saturated or unsaturated hydrocarbon group having 8 to 24 carbon atoms, R.sup.2 represents a straight chain or branched, saturated or unsaturated hydrocarbon group having 7 to 23 carbon atoms, m represents 2 or 3, and n represents 1 or 2.
Claim 2
Dependent Claim 109 words
A liquid softener composition comprising water and an effective softening amount of an amidoamine compound (a) obtained by the condensation reaction of a di- or triamine of the general formula (I) with a fatty acid of the general formula (II), or a neutral salt of said amidoamine compound with an inorganic or organic acid: R.sup.1 NH(C.sub.m H.sub.2m NH).sub.n H (I) ##STR4## wherein R.sup.1 represents a straight chain or branched, saturated or unsaturated hydrocarbon group having 8 to 24 carbon atoms, R.sup.2 represents a straight chain or branched, saturated or unsaturated hydrocarbon group having 7 to 23 carbon atoms, m represents 2 or 3, and n represents 1 or 2.
Claim 3
Dependent Claim 17 words
The composition as claimed in claim 1, which comprises 1 to 30 percent by weight of (a).
Claim 4
Dependent Claim 23 words
The composition as claimed in claim 1, which further comprises 0.3 to 20 percent by weight, based on (a), of an inorganic electrolyte.
Claim 5
Dependent Claim 12 words
The composition as claimed in claim 1, in which n is 1.
Claim 6
Dependent Claim 14 words
The composition as claimed in claim 1, in which (a) is the neutral salt.
Claim 7
Dependent Claim 28 words
The composition as claimed in claim 1, in which the inorganic electrolyte is selected from the group consisting of sodium chloride, sodium bromide, calcium chloride and magnesium chloride.
Claim 8
Dependent Claim 19 words
The composition as claimed in claim 1, in which (a) has an average size of 0.1 to 5 microns.
Claim 9
Dependent Claim 14 words
The composition as claimed in claim 1, which further comprises a quaternary ammonium salt.
Claim 10
Dependent Claim 24 words
The composition as claimed in claim 1, which further comprises a solvent, urea, a silicone compound, a coloring matter, a whitener or a perfume.
Claim 11
Dependent Claim 20 words
The composition according to claim 1, wherein at least one of R1 and R2 have at least 15 carbon atoms.
Claim 12
Dependent Claim 12 words
The composition according to claim 1, which further comprises a nonionic surfactant.

References Cited (Backward Citations)

US4022938A Cited
US4136054A Cited
US4110498A Cited
US4360437A Cited
US4370272A Cited
US4367151A Cited
US4399044A Cited
US4486195A Cited
EP0199382A2 Cited
US4767548A Cited
US4931216A Cited
US4975091A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-10-13 1996-04-13 1996-10-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-10-13 2000-04-13 2000-10-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-10-13 2004-04-13 2004-10-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag