CA2254844C - Improvements relating to limescale removing compositions - Google Patents

Improvements relating to limescale removing compositions Download PDF

Info

Publication number
CA2254844C
CA2254844C CA002254844A CA2254844A CA2254844C CA 2254844 C CA2254844 C CA 2254844C CA 002254844 A CA002254844 A CA 002254844A CA 2254844 A CA2254844 A CA 2254844A CA 2254844 C CA2254844 C CA 2254844C
Authority
CA
Canada
Prior art keywords
acid
compositions
limescale
acids
fatty acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002254844A
Other languages
English (en)
French (fr)
Other versions
CA2254844A1 (en
Inventor
Marilena Coruzzi
Luciano Novita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Original Assignee
Unilever PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever PLC filed Critical Unilever PLC
Publication of CA2254844A1 publication Critical patent/CA2254844A1/en
Application granted granted Critical
Publication of CA2254844C publication Critical patent/CA2254844C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/37—Mixtures of compounds all of which are anionic
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2082—Polycarboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/04—Carboxylic acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/143—Sulfonic acid esters
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Detergent Compositions (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Fodder In General (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CA002254844A 1996-05-24 1997-04-25 Improvements relating to limescale removing compositions Expired - Fee Related CA2254844C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9610965.7A GB9610965D0 (en) 1996-05-24 1996-05-24 Improvements relating to limescale removing compositions
GB9610965.7 1996-05-24
PCT/EP1997/002161 WO1997045515A1 (en) 1996-05-24 1997-04-25 Improvements relating to limescale removing compositions

Publications (2)

Publication Number Publication Date
CA2254844A1 CA2254844A1 (en) 1997-12-04
CA2254844C true CA2254844C (en) 2003-10-21

Family

ID=10794296

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002254844A Expired - Fee Related CA2254844C (en) 1996-05-24 1997-04-25 Improvements relating to limescale removing compositions

Country Status (10)

Country Link
EP (1) EP0912676B1 (es)
AR (1) AR007213A1 (es)
AU (1) AU723832B2 (es)
BR (1) BR9709268A (es)
CA (1) CA2254844C (es)
DE (1) DE69710728T2 (es)
ES (1) ES2171935T3 (es)
GB (1) GB9610965D0 (es)
WO (1) WO1997045515A1 (es)
ZA (1) ZA973931B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2838130B1 (fr) * 2002-04-08 2004-05-28 Rhodia Polyamide Intermediates Formulation solide antitartre a base d'acide adipique et son utilisation en lavage automatique de la vaisselle
US10988712B1 (en) 2017-06-05 2021-04-27 Miguel Angel Regalado, Sr. Water mineral cleaning solutions and related methods
US10683468B1 (en) 2017-06-05 2020-06-16 Miguel Angel Regalado, Sr. Water mineral cleaning solutions and related methods

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581161A (en) * 1984-01-17 1986-04-08 Lever Brothers Company Aqueous liquid detergent composition with dicarboxylic acids and organic solvent
JPS61157593A (ja) * 1984-12-28 1986-07-17 ライオン株式会社 浴室用洗浄剤組成物
HU217448B (hu) * 1992-10-16 2000-01-28 Unilever N.V., Általános rendeltetésű, vizes tisztítószer
BR9408132A (pt) * 1993-11-24 1997-08-05 Unilever Nv Composições estáveis viscosas para remoção de incrustação de cal

Also Published As

Publication number Publication date
AR007213A1 (es) 1999-10-13
EP0912676B1 (en) 2002-02-27
ZA973931B (en) 1998-11-09
EP0912676A1 (en) 1999-05-06
DE69710728D1 (de) 2002-04-04
GB9610965D0 (en) 1996-07-31
WO1997045515A1 (en) 1997-12-04
BR9709268A (pt) 1999-08-10
AU2772597A (en) 1998-01-05
CA2254844A1 (en) 1997-12-04
ES2171935T3 (es) 2002-09-16
DE69710728T2 (de) 2004-07-08
AU723832B2 (en) 2000-09-07

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MKLA Lapsed

Effective date: 20130425