Back to results
US 6,191,093 B1Granted
Cotton soil release polymers
AssigneeThe Procter & Gamble Company
InventorsRandall Alan Watson, Eugene Paul Gosselink
Life of this patent
Estimating the term…
Abstract
Cotton soil release polymers comprising water soluble and/or dispersible, modified polyamines having functionalized backbone moieties and improved stability toward bleach. Also, laundry detergent compositions comprising these cotton soil release polymers.
Claims13
A water-soluble or dispersible, modified polyamine compound comprising a polyamine backbone prior to modification corresponding to the formula:
- having a modified polyamine formula V(n+1)WmYnZ, said polyamine backbone prior to modification having a molecular weight greater than about 200 daltons, wherein
- i) V units are terminal units which have the formula:
- ii) W units are backbone units which have the formula:
- iii) Y units are branching units which have the formula:
- iv) Z units are terminal units which have the formula:
- wherein backbone linking R units are selected from the group consisting of C2-C12 alkylene;
- —(R1O)xR3(OR1)x—;
- —[CH2CH(OR2)CH2O]z(R1O)yR1[OCH2CH(OR2)CH2]w—;
- —CH2CH(OR2)CH2—;
- an mixtures thereof;
- provided when R comprises C2-C12 alkylene at least one R unit comprises —[CH2CH(OR2)CH2O]z(R1O)yR1[OCH2CH(OR2)CH2]w—;
- —CH2CH(OR2)CH2—;
- or —(R1O)xR3(OR1)x—;
- R1 is C2-C6 alkylene, and mixtures thereof;
- R2 is hydrogen, —(R1O)xB, and mixtures thereof;
- R3 is C2-C12 alkylene, C3-C12 hydroxyalkylene, C4-C12 dihydroxyalkylene, C8-C12 dialkylarylene, —CH2CH(OH)CH2O(R1O)yR1OCH2CH(OR2)CH2——C(O)(R4)rC(O)—, —C(O)NHR5NHC(O)—, —C(O)—, and mixtures thereof;
- R4 is C2-C12 alkylene, C4-C12 alkenylene, C8-C12 alkylarylene, C6-C10 arylene, and mixtures thereof;
- R5 is C2-C12 alkylene or C6-C12 arylene;
- E units are selected from the group consisting of methyl, —(CH2)qSO3M;
- —(R1O)xB;
- —CH(CH2CO2M)CO2M;
- —(CH2)pCO2M;
- —(CH2)pPO3M;
- and mixtures thereof;
- provided when any E unit of a nitrogen is a hydrogen, said nitrogen is not also an N-oxide;
- B is selected from the group consisting of hydrogen;
- —(CH2)pCO2M;
- (CH2)qSO3M;
- —(CH2)qCH(SO2M)CH2SO3M;
- —(CH2)qCH(SO3M)CH2SO3M;
- —(CH2)pPO3M;
- —PO3M;
- and mixtures thereof;
- M is hydrogen or a water soluble cation in sufficient amount to satisfy charge balance;
- X is a water soluble anion;
- m has the value from 4 to 400;
- n has the value 0 to 200;
- p has the value from 1 to 6;
- q has the value from 0 to 6;
- r has the value from 0 to 20;
- w has the value 0 or 1;
- x has the value from I to 100;
- y has the value from 0 to 100;
- z has the value 0 or 1.
41 more elements
A water-soluble or dispersible, modified polyamnine compound comprising a polyamine backbone prior to modification corresponding to the formula:
- having a modified polyamine formula V(n+1)WmYnZ, said polyamine backbone prior to modification having a molecular weight greater than about 200 daltons, wherein
- i) V units are terminal units which have the formula:
- ii) W units are backbone units which have the formula:
- iii) itsarebrancmguni have the formula:
- iv) Z units are terminal units which have e formula:
- wherein backbone linking R units are selected from the group consisting of —(R1O)xR3(OR)x—;
- —[CH2CH(OR2)CH2O]z(R1O)yR1[OCH2CH(OR2)CH2]w—;
- —CH2CH(OR2)CH2—;
- an mixtures thereof;
- R1 is C2-C6 alkylene, and mixtures thereof;
- R2 is hydrogen;
- R3 is C2-C12 alkylene;
- E units are selected from the group consisting of methyl, —(CH2)qSO3M;
- —(R1O)xB, and mixtures thereof;
- provided when any E unit of a nitrogen is a hydrogen, said nitrogen is not also an N-oxide;
- B is selected from the group consisting of hydrogen;
- —(CH2)qSO3M;
- —CH2)qCH(SO2M)CH2SO3M;
- —(CH2)qCH(SO3M)CH2SO3M;
- and mixtures thereof;
- M is hydrogen or a water soluble cation in sufficient amount to satisfy charge balance;
- X is a water soluble anion;
- m has the value from 4 to 400;
- n has the value 0 to 200;
- p has the value from 1 to 6;
- q has the value from 0 to 6;
- w has the value 0 or 1;
- x has the value from 1 to 100;
- y has the value from 0 to 100;
- z has the value 0 or 1.
27 more elements
Dependencies are inferred from the claim text.