Particulate laundry softening wash additive

Patent metadata

Field	Value
Publication number	US-2025382547-A1
Application number	US-202418746373-A
Country	US
Kind code	A1
Filing date	Jun 18, 2024
Priority date	Jun 18, 2024
Publication date	Dec 18, 2025
Grant date	—

Abstract

A composition including a plurality of particles, the plurality of particles comprising: about 25% to about 93% by weight a water soluble carrier; about 5% to about 45% by weight a first hydrophobic conditioning compound having a weight average molecular weight greater than 1000 Da; about 0.5% to about 10% by weight a cationic polysaccharide; and nonionic surfactant; and wherein individual particles of the plurality of particles have a mass from about 1 mg to about 1 g.

First claim

What is claimed:

1 . A composition comprising a plurality of particles, said plurality of particles comprising:
about 25% to about 93% by weight a water soluble carrier; about 5% to about 45% by weight a first hydrophobic conditioning compound having a weight average molecular weight greater than 1000 Da; about 0.5% to about 10% by weight a cationic polysaccharide; and about 0.5% to about 20% by weight a nonionic surfactant; wherein individual particles of said plurality of particles have a mass from about 1 mg to about 1 g.

2 . The composition according to claim 1 , wherein said first hydrophobic conditioning compound comprises a branched polyester selected from the group of:
a) a branched polyester having Formula 1

wherein:
each A is independently a branched hydrocarbon chain comprising 4 to 100 carbon atoms;
Q is selected from an alkyl chain comprising 1 to 30 carbon atoms and a hydrogen atom;
T is a hydrogen atom or a —C(O)—R wherein each R is an alkyl chain comprising 1 to 30 carbon atoms; and
n is an integer from 1 to about 100;

b) a branched polyester having Formula 2

wherein:
each n is independently an integer from 1 to about 100;
each A is independently a branched hydrocarbon chain comprising 4 to 100 carbon atoms;
each T is independently a hydrogen atom or a —C(O)—R wherein each R is an alkyl chain comprising 1 to 30 carbon atoms;
each Y is independently a linking group selected from the group of oxygen and NR 2 , wherein each R 2 is independently selected from the group of hydrogen, or a C 1 -C 8 alkyl; and
M is a polyalkylene glycol group;

c) a branched polyester having Formula 3

wherein:
the index n is an integer from 1 to about 100;
T is a hydrogen or —C(O)—R 1 where in R 1 is an alkyl chain comprising from 7 to 21 carbon atoms;
each A is independently a branched hydrocarbon chain comprising from 4 to 40 carbon atoms;
Y is selected from the group of oxygen and NR 2 , wherein each R 2 is independently selected from the group of hydrogen, or a C 1 -C 5 alkyl;
Q is selected from the group of:
i) -B,
ii) Z-X-Z-W, and
iii) V-U-Z-X-Z-W;

wherein
B is a substituted C 1 -C 24 alkyl group;
each Z is independently a substituted or unsubstituted divalent C 2 -C 40 alkylene radical;
X is polysiloxane moiety;
W is selected from the group of —OR 4 ,

each R 2 is independently selected from the group of hydrogen or a C 1 -C 8 alkyl;
R 4 is selected from a hydrogen atom, a C 1 -C 24 alkyl group or a substituted C 1 -C 24 alkyl group;
V is a C 1 -C 24 divalent alkylene radical or a substituted C 1 -C 24 divalent alkylene;
U is —C(O)O— or —C(O)NH—; and

d) a branched polyester having Formula 4

wherein:
each index n is independently an integer from 1 to about 100;
T is a hydrogen atom or —C(O)—R 1 where in R 1 is an alkyl chain comprising from 7 to 21 carbon atoms;
each A is independently a branched hydrocarbon chain comprising from 4 to 40 carbon atoms;
each Y is independently selected from the group of oxygen and NR 2 , wherein each R 2 is independently selected from the group of hydrogen or a C 1 -C 8 alkyl;
M is selected from the group of:
i) a C 1 -C 24 divalent linear or branched alkylene radical;
ii) Z-X-Z, and
iii) --(D-U-Z-X-Z-U) m -D-
wherein:
m is an integer from 1 to about 10;
each Z is independently a substituted or unsubstituted divalent C 2 -C 40 alkylene radical;
X is polysiloxane moiety;
U is —C(O)O— or —C(O)NH—; and
each D is independently a C 1 -C 24 divalent linear or branched alkylene radical;

e) and mixtures thereof.

3 . The composition according to claim 2 , wherein said nonionic surfactant has a HLB from 8 to 15.

4 . The composition according to claim 3 , wherein said nonionic surfactant has a molecular weight less than 1000 Da.

5 . The composition according to claim 4 , wherein said plurality of particles comprises individual particles that comprise said water soluble carrier, said first hydrophobic conditioning compound, and said nonionic surfactant.

6 . The composition according to claim 1 , wherein said first hydrophobic conditioning compound comprises silicone.

7 . The composition according to claim 1 , wherein said plurality of particles further comprises a second hydrophobic conditioning compound having a weight average molecular weight greater than 1000 Da.

8 . The composition according to claim 7 , wherein said first hydrophobic conditioning compound comprises a branched polyester selected from the group of:
a) a branched polyester having Formula 1

wherein:
each A is independently a branched hydrocarbon chain comprising 4 to 100 carbon atoms;
Q is selected from an alkyl chain comprising 1 to 30 carbon atoms and a hydrogen atom;
T is a hydrogen atom or a —C(O)—R wherein each R is an alkyl chain comprising 1 to 30 carbon atoms; and
n is an integer from 1 to about 100;

b) a branched polyester having Formula 2

wherein:
each n is independently an integer from 1 to about 100;
each A is independently a branched hydrocarbon chain comprising 4 to 100 carbon atoms;
each T is independently a hydrogen atom or a —C(O)—R wherein each R is an alkyl chain comprising 1 to 30 carbon atoms;
each Y is independently a linking group selected from the group of oxygen and NR 2 , wherein each R 2 is independently selected from the group of hydrogen, or a C 1 -C 8 alkyl; and
M is a polyalkylene glycol group;

c) a branched polyester having Formula 3

wherein:
the index n is an integer from 1 to about 100;
is a hydrogen or —C(O)—R 1 where in R 1 is an alkyl chain comprising from 7 to 21 carbon atoms;
each A is independently a branched hydrocarbon chain comprising from 4 to 40 carbon atoms;
Y is selected from the group of oxygen and NR 2 , wherein each R 2 is independently selected from the group of hydrogen, or a C 1 -C 8 alkyl;
Q is selected from the group of:
i) -B,
ii) Z-X-Z-W, and
iii) V-U-Z-X-Z-W

wherein
B is a substituted C 1 -C 24 alkyl group;
each Z is independently a substituted or unsubstituted divalent C 2 -C 40 alkylene radical;
X is polysiloxane moiety;
W is selected from the group of —OR 4 ,

each R 2 is independently selected from the group of hydrogen or a C 1 -C 8 alkyl;
R

Assignees

• Procter & Gamble

Inventors

• Gonzalez Lidiany
• Mccullough Jocelyn Michelle
• Williams Kristin Rhedrick
• Barrera Carola
• Sivik Mark Robert

Classifications

• C11D17/06

  Powder; Flakes; Free-flowing mixtures; Sheets · CPC title

• C11D3/373

  containing silicones · CPC title

• C11D3/3715

  Polyesters or polycarbonates · CPC title

• C11D1/835

  Mixtures of non-ionic with cationic compounds · CPC title

• C11D2111/12

  Soft surfaces, e.g. textile · CPC title