Patent EP0147745A2 successfully refreshed from Google Patents.
EP0147745A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Lime soap dispersing compositions and their use
Assignee: Goodrich Corp
•
Filing: 1984-12-14
•
Granted: —
•
Expires: 2004-12-14
Abstract
Abstract Compositions and method of using such compositions in washing applications which comprise at least one water-soluble organic surfactant selected from anionic and nonionic surfactants and a lime soap dispersant having molecular weight of 2,000 to 200,000 that is a homopolymer of a polyalkylene glycol monoacrylate, a copolymer of an acrylamido alkane sulfonic acid and a polyalkylene glycol monoacrylate, or a water-soluble salt thereof, the copolymer being composed of 5 to 80% by weight of polymerized units derived from the sulfonic acid and relative amount of the surfactant to the copolymer is in the range of 125'1 to 1/10.
Inventors
- 👤 Madukkarai K. Nagarajan
- 👤 William Frank Masler
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 23:32
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3769; C11D3/3773; C11D9/00; C11D9/04; C11D9/22; C11D9/225
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
128 words
Cleaning composition for washing applications comprising an organic water-soluble surfactant selected from anionic surfactants, nonionic surfactants, and mixtures thereof, and a lime soap dispersant selected from homopolymers of polyalkylene glycol monoacrylates, copolymers of at least one acrylamido alkane sulfonic acid and at least one polyalkylene glycol monoacrylate, and water-soluble salts of said homopolymers and copolymers, said polyalkylene glycol monoacrylates are defined as follows: where R 3 is hydrogen or methyl, R 4 is an alkylene group of 1 to 4 carbon atoms, R 5 is hydrogen, an alkyl or alkenyl group of 1 to 30 carbon atoms, an aryl group of 6 to 10 carbon atoms, or an aralkyl group of 7 to 30 carbon atoms, and n is a number in the range of 2 to 50.
Claim 2
Dependent Claim
128 words
Cleaning composition for washing applications comprising an organic water-soluble surfactant selected from anionic surfactants, nonionic surfactants, and mixtures thereof, and a lime soap dispersant selected from homopolymers of polyalkylene glycol monoacrylates, copolymers of at least one acrylamido alkane sulfonic acid and at least one polyalkylene glycol monoacrylate, and water-soluble salts of said homopolymers and copolymers, said polyalkylene glycol monoacrylates are defined as follows: where R 3 is hydrogen or methyl, R 4 is an alkylene group of 1 to 4 carbon atoms, R 5 is hydrogen, an alkyl or alkenyl group of 1 to 30 carbon atoms, an aryl group of 6 to 10 carbon atoms, or an aralkyl group of 7 to 30 carbon atoms, and n is a number in the range of 2 to 50.
Claim 3
Dependent Claim
40 words
Composition of claim 1 wherein said acrylamido alkane sulfonic acid is selected from the following: where R is either hydrogen or methyl and R 1 and R 2 are individually selected from alkyl groups containing 1 to 4 carbon atoms.
Claim 4
Dependent Claim
98 words
Composition of claim 2 wherein the relative weight of said surfactant to said lime soap dispersant is in the range of 125/1 to 1/10, said copolymers are composed of 5 to 95% by weight of polymerized units derived from said acrylamido alkane sulfonic acids with remainder being polymerized units derived from said polyalkylene glycol monoacrylates, said copolymers including up to 60% by weight, based on the total monomer weight, of polymerized units of one or more additive monomers selected from a, B -mono-unsaturated monocarboxylic and dicarboxylic acids containing 3 to 8 carbon atoms, esters thereof, and anhydrides thereof.
Claim 5
Dependent Claim
102 words
Composition of claim 3 wherein said copolymers are composed of 10 to 60% by weight of polymerized units derived from said acrylamido alkane sulfonic acids, 90 to 40% by weight being polymerized units of said polyalkylene glycol monoacrylates, and up to 40% by weight of polymerized units of one or more of said additive monomers selected from a, B -mono-unsaturated monocarboxylic acids containing 3 to 5 carbon atoms, lower alkyl esters thereof and anhydrides thereof; said copolymers have molecular weight (Mw) in the range of 2,000 to 200,000 and said homopolymers have molecular weight (Mw) in the range of 2,000 to 50,000.
Claim 6
Dependent Claim
68 words
Composition of claim 4 wherein R and R 2 are individually selected from alkyl groups containing 1 to 2 carbon atoms, R 4 is alkylene group of 2 to 3 carbon atoms, R 5 is hydrogen, and n is a number of about 5 to 15, and wherein said water-soluble salts of said lime soap dispersants are selected from alkali metal salts, ammonium salts, and substituted ammonium salts.
Claim 7
Dependent Claim
37 words
Composition of claim 5 wherein said sulfonic acid is 2-acrylamido-2-methyl propane sulfonic acid, said monoacrylate is polyethylene glycol monomethacrylate containing about 10 ethylene oxide units, and molecular weight (Mw) of said lime soap dispersant "is about 60,000.
Claim 8
Dependent Claim
114 words
Composition of claim 7 selected from (a) bar soap compositions for personal use wherein ratio of said surfactant to said lime soap dispersant is about 40/1 to 3/1, (b) bar soap compositions for laundry use where the ratio is about 30/1 to 2/1, (c) dry soap laundry powder compositions where the ratio is about 40/1 to 3/1, (d) anionic laundry powder detergent compositions where the ratio is about 125/1 to 2/1, (e) nonionic laundry powder detergent compositions where the ratio is about 75/1 to 1/1, and (f) liquid dishwashing detergent compositions where the ratio is about 45/1 to 1/1, and (g) mixed surfactant laundry powder compositions where the ratio is about 50/1 to 1/10.
Claim 9
Dependent Claim
42 words
Method for cleaning soiled fabric, soiled hard surface, or soiled human body in an aqueous environment comprising the step of contacting said fabric, hard surface or human body with the composition of claim 7 until substantial removal of the soil is accomplished.
Claim 10
Dependent Claim
115 words
A polymer that is a reaction product of an acrylamido alkane sulfonic acid monomer and a polyalkylene glycol monoacrylate monomer, said acid and said monoacrylate are defined respectively as follows: where R is hydrogen or methyl, R1 and R 2 are individually selected from alkyl groups of 1 to 4 carbon atoms, R 3 is hydrogen or methyl, R 4 is an alkylene group of 1 to 3 carbon atoms, R 5 is selected from hydrogen, alkyl and alkenyl groups of 1 to 30 carbon atoms, aryl groups of 6 to 14 carbon atoms, and aralkyl groups of 7 to 30 carbon atoms, and n is a number in the range of 2 to 50.
Claim 11
Dependent Claim
115 words
A polymer that is a reaction product of an acrylamido alkane sulfonic acid monomer and a polyalkylene glycol monoacrylate monomer, said acid and said monoacrylate are defined respectively as follows: where R is hydrogen or methyl, R1 and R 2 are individually selected from alkyl groups of 1 to 4 carbon atoms, R 3 is hydrogen or methyl, R 4 is an alkylene group of 1 to 3 carbon atoms, R 5 is selected from hydrogen, alkyl and alkenyl groups of 1 to 30 carbon atoms, aryl groups of 6 to 14 carbon atoms, and aralkyl groups of 7 to 30 carbon atoms, and n is a number in the range of 2 to 50.
Claim 12
Dependent Claim
99 words
Polymer of claim 9 wherein R is methyl, R 1 and R 2 are individually selected from alkyl groups of 1 to 2 carbon atoms, R 3 is methyl, R 4 is an alkylene group of 2 to 3 carbon atoms, R 5 is hydrogen, n is in the range of about 5 to 15, amount of said sulfonic acid monomer is 5 to 95% by weight, based on the total weight of polymerized units of said sulfonic acid monomer and said polyalkylene glycol monoacrylate, said polymer having molecular weight (Mw) in the range of about 2,000 to 200,000.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.