US2022262A - Stain removal - Google Patents

Stain removal Download PDF

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Publication number
US2022262A
US2022262A US594153A US59415332A US2022262A US 2022262 A US2022262 A US 2022262A US 594153 A US594153 A US 594153A US 59415332 A US59415332 A US 59415332A US 2022262 A US2022262 A US 2022262A
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United States
Prior art keywords
chlorite
acid
chlorites
oxalic acid
solution
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 - Lifetime
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US594153A
Inventor
James F White
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Mathieson Alkali Works Inc
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Mathieson Alkali Works Inc
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.)
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Publication date
Application filed by Mathieson Alkali Works Inc filed Critical Mathieson Alkali Works Inc
Priority to US594153A priority Critical patent/US2022262A/en
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Publication of US2022262A publication Critical patent/US2022262A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/395—Bleaching agents
    • C11D3/3953—Inorganic bleaching agents

Definitions

  • This invention relates to an improved stain removing process comprising treatment stained material with a chlorite, such as chlorite or calciumchlorite, and oxalic aqueous solution. an improved stain removing. composition.
  • the stained material is subjected to-treatment with aqueous solutions containing a chlorite, or v I the chlorite radical, and oxalic acid.
  • aqueous solutions containing a chlorite, or v I the chlorite radical, and oxalic acid 'I'helstained" single aqueous solution ontai rite and the oxalic i may be subjected an aqueoussoluti ous solution containing the oxalic acid,
  • alkaline or neutral but with advantage is'acid.
  • Such acidity may be supplied by such acids or acid salts.
  • the process and composition of the invention are of special value and application in The invention also includes e effective in removing stains and free from tendencies toward espect I particularly to cotton and rayon textiles.
  • the oxalic acid, simlz larly is effective in removing stains, operating in a peculiarly efiective manner in conjunction.
  • chlorites in this respect.
  • the I oxalic acid has reducing properties it is oxidized but slowly by the-'chlorites.
  • the chlorite radical and the oxalate radical are the components of these reagents essential to the process of the in- I I vention.
  • the term chlorite is used in this applicalcium. chlorite is bestavoided. cation in its strict chemical sense to define the. q
  • the treating solutions may contain, for exam 'Application February 19, 1932 t SerialZ No. 594,153- II i chlorite, such'as sodium chlorite or calcium ch10 tive, the chlorite solution may'contain; for 'exg and'the-oxalicaci'd solution may contain, for example, about 6 grams perliter of oxalicacid. 10 V '1' The chlorites of the alkalirmetalsand the a1ka-' spect' to each other to avoid undesired preci I tion in the treating solution or solutions.
  • the stainremoving compositionfoithe inven- ,uon comprises dry'gmixtures, oi -,these chlorites, 20* oxalate salts, such as sodiumoxalate, and acid agents 'such as 'boric acid,'sodlum acid su lfate--;' potassium acid phosphateand sodium silico' fiuor quiredquantity ofqstain removing solution, small one part of sodium o'xalatean'd tw tassium dihydrogen'phosphate, '11 claim:
  • t V I A stain removing composition which com"- prises a dry mixture, of a water-soluble chlorite chlorite the resoluble-oxalate, and an acidifying agent.
  • the aqueous solution containing oxalic acid may be an aqueous solution of oxalic acid or of an oxalate, such as sodium oxalate, and an acid or acid salt, such as acetic acidor, when'used in conjunction with sodium chlorite for'exainplasodium acid sulfate, potassium acid'phosphate .or sodium silico fluoride.
  • Thecomposition maycomprise; forex ample, one part (by weight) oisodium'chIorite,
  • A' stain removing-process which comprises consisting, or alkali-metal chlorltes and alkaline- 35 I group consistingloi oxalic acid-and water solubleb subjecting the stain totreatmentwith acid 40 kaline-earth-metal chlorites, and a substance from. the group consisting of'alkal i-me'tal .chlo- I rites and al-kalineearth-metal chlorites, a-water; t

Description

Patented" Nov; 26,1935
" '7 RE OVAL I ,Niagara Falls, N. Y., assignorgto' I James F White The Mathieson Alkali'Works, 1110.; New *York,
' N. Y., a corporation of Virginia I No Drawing.
This invention relates to an improved stain removing process comprising treatment stained material with a chlorite, such as chlorite or calciumchlorite, and oxalic aqueous solution. an improved stain removing. composition.
Chlorites ar at the same time are destructive action with r salts 'of chlorous acid H0102.
Incarrying out the process of theinventlon, g the stained material is subjected to-treatment with aqueous solutions containing a chlorite, or v I the chlorite radical, and oxalic acid. 'I'helstained" single aqueous solution ontai rite and the oxalic i may be subjected an aqueoussoluti ous solution containing the oxalic acid,
alkaline or neutral but with advantage is'acid. Such acidity may be supplied bysuch acids or acid salts.
pie, from 10-25 grams per liter of sodium and from 10-25 grams per liter of oxalic acid;
The process and composition of the invention are of special value and application in The invention also includes e effective in removing stains and free from tendencies toward espect I particularly to cotton and rayon textiles. The oxalic acid, simlz larly, is effective in removing stains, operating in a peculiarly efiective manner in conjunction.
with the chlorites in this respect. Although the I oxalic acid has reducing properties it is oxidized but slowly by the-'chlorites. The chlorite radical and the oxalate radical are the components of these reagents essential to the process of the in- I I vention. The term chlorite is used in this applicalcium. chlorite is bestavoided. cation in its strict chemical sense to define the. q
The treating solutions may contain, for exam 'Application February 19, 1932 t SerialZ No. 594,153- II i chlorite, such'as sodium chlorite or calcium ch10 tive, the chlorite solution may'contain; for 'exg and'the-oxalicaci'd solution may contain, for example, about 6 grams perliter of oxalicacid. 10 V '1' The chlorites of the alkalirmetalsand the a1ka-' spect' to each other to avoid undesired preci I tion in the treating solution or solutions. j For The stainremoving compositionfoithe inven- ,uon comprises dry'gmixtures, oi -,these chlorites, 20* oxalate salts, such as sodiumoxalate, and acid agents 'such as 'boric acid,'sodlum acid su lfate--;' potassium acid phosphateand sodium silico' fiuor quiredquantity ofqstain removing solution, small one part of sodium o'xalatean'd tw tassium dihydrogen'phosphate, '11 claim:
subjecting the stain to treatment with an aqueous" solution comprising a chlorite. from the group.
earth metal chlorites, anda substance from the oxalates.
may be 2.-A sta1n removing pr'ocesswhich 1cornD 'Q ses' aqueous solution comprising a-chlorite' from} the Y group consisting of alkalij-metal-chlorites and alfrom the groupiconsistingof oxalic acid and water-soluble oxalates. t V I 3. A stain removing composition which com"- prises a dry mixture, of a water-soluble chlorite chlorite the resoluble-oxalate, and an acidifying agent.
JAMES n-wm'rn.
treatment'with anaqueous solution containing: theoxalic acid. i Inapplying thelatter alterna -m 'ample, about 16 grams per liter of so'dium chlorite" I line-earth-metals are useful in "carrying out the: invention. The several age'nts used in-anycne embodimentof the process are chosen 'withrepita- 15 example, the use of a sulfate inconjunction with r II I 'ide', These mixtures are-'st'ablaandg simply by material may be subjected "to treatmentwith a; solution in water, may; be used to prepareany'reQZS if;
ning both the chloe stained material treatment, with I containing the chlorite and a separate aqueouss'clution containing the oxalic acid. The aqueous solution containing oxalic acid may be an aqueous solution of oxalic acid or of an oxalate, such as sodium oxalate, and an acid or acid salt, such as acetic acidor, when'used in conjunction with sodium chlorite for'exainplasodium acid sulfate, potassium acid'phosphate .or sodium silico fluoride. The aqueous solution con-I taining a chlorite, when separate from the aqueor large. Thecompositionmaycomprise; forex ample, one part (by weight) oisodium'chIorite,
1. A' stain removing-process: which comprises consisting, or alkali-metal chlorltes and alkaline- 35 I group consistingloi oxalic acid-and water solubleb subjecting the stain totreatmentwith acid 40 kaline-earth-metal chlorites, and a substance from. the group consisting of'alkal i-me'tal .chlo- I rites and al-kalineearth-metal chlorites, a-water; t
US594153A 1932-02-19 1932-02-19 Stain removal Expired - Lifetime US2022262A (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430674A (en) * 1943-01-11 1947-11-11 Mathieson Alkali Works Inc Method of bleaching
US2482891A (en) * 1945-03-16 1949-09-27 Olin Mathieson Solid, stable chlorine dioxide generating compositions
US2529831A (en) * 1947-05-03 1950-11-14 Atlas Powder Co Bleaching of organic material
US2739032A (en) * 1953-03-30 1956-03-20 William K Wilson Iron-catalyzed decomposition of sodium chlorite
US3035883A (en) * 1959-11-13 1962-05-22 Olin Mathieson Chlorite-permanganate cellulosic bleaching process
US5399288A (en) * 1992-07-23 1995-03-21 Abic Limited Solid composition releasing chlorine dioxide
US6077495A (en) * 1997-03-03 2000-06-20 Engelhard Corporation Method, composition and system for the controlled release of chlorine dioxide gas
US6238643B1 (en) 1997-11-07 2001-05-29 Engelhard Corporation Method and device for the production of an aqueous solution containing chlorine dioxide
US6582734B1 (en) 2000-07-20 2003-06-24 Ecolab Inc. Antimicrobial composition useful for the treatment of bovine mastitis
US6602466B2 (en) 2000-02-18 2003-08-05 Selective Micro Technologies, Llc Apparatus and method for controlled delivery of a gas
US6607696B1 (en) 2000-02-18 2003-08-19 Selective Micro Technologies, Llc Apparatus and method for controlled delivery of a gas
US20040022676A1 (en) * 2000-02-18 2004-02-05 Selective Micro Technologies, Llc Apparatus and method for controlled delivery of a gas
US6764661B1 (en) 2000-06-27 2004-07-20 Avantec Technologies, Inc. Device for producing an aqueous chlorine dioxide solution
US20060039841A1 (en) * 2004-08-18 2006-02-23 Avantec Technologies, Inc. Systems and methods for producing aqueous solutions and gases having disinfecting properties and substantially eliminating impurities
US20060039840A1 (en) * 2004-08-18 2006-02-23 Avantec Technologies, Inc. Device and methods for the production of chlorine dioxide vapor
US20070202095A1 (en) * 2006-02-28 2007-08-30 Speronello Barry K Chlorine dioxide based cleaner/sanitizer
US20070237707A1 (en) * 2005-09-29 2007-10-11 Ramanath Bhat System and method for generation and delivery of a biocidal agent
US8691154B2 (en) 2012-02-17 2014-04-08 Diversey, Inc. Apparatus for the generation of cleaning and/or sanitizing solutions
US9078939B2 (en) 2012-01-23 2015-07-14 Star-Brite Distributing, Inc. Disinfectant system

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430674A (en) * 1943-01-11 1947-11-11 Mathieson Alkali Works Inc Method of bleaching
US2482891A (en) * 1945-03-16 1949-09-27 Olin Mathieson Solid, stable chlorine dioxide generating compositions
US2529831A (en) * 1947-05-03 1950-11-14 Atlas Powder Co Bleaching of organic material
US2739032A (en) * 1953-03-30 1956-03-20 William K Wilson Iron-catalyzed decomposition of sodium chlorite
US3035883A (en) * 1959-11-13 1962-05-22 Olin Mathieson Chlorite-permanganate cellulosic bleaching process
US5399288A (en) * 1992-07-23 1995-03-21 Abic Limited Solid composition releasing chlorine dioxide
US6294108B1 (en) 1997-03-03 2001-09-25 Engelhard Corporation Composition for the controlled release of chlorine dioxide gas
US20010036421A1 (en) * 1997-03-03 2001-11-01 Engelhard Corporation Method and system for the controlled release of chlorine dioxide gas
US6077495A (en) * 1997-03-03 2000-06-20 Engelhard Corporation Method, composition and system for the controlled release of chlorine dioxide gas
US7220367B2 (en) 1997-03-03 2007-05-22 Basf Catalysts Llc Method and system for the controlled release of chlorine dioxide gas
US6238643B1 (en) 1997-11-07 2001-05-29 Engelhard Corporation Method and device for the production of an aqueous solution containing chlorine dioxide
US7160484B2 (en) 1997-11-07 2007-01-09 Engelhard Corporation Method and device for the production of an aqueous solution containing chlorine dioxide
US7922984B2 (en) 2000-02-18 2011-04-12 Selective Micro Technologies, Llc Apparatus and method for controlled delivery of a gas
US6602466B2 (en) 2000-02-18 2003-08-05 Selective Micro Technologies, Llc Apparatus and method for controlled delivery of a gas
US6607696B1 (en) 2000-02-18 2003-08-19 Selective Micro Technologies, Llc Apparatus and method for controlled delivery of a gas
US20040022676A1 (en) * 2000-02-18 2004-02-05 Selective Micro Technologies, Llc Apparatus and method for controlled delivery of a gas
US6764661B1 (en) 2000-06-27 2004-07-20 Avantec Technologies, Inc. Device for producing an aqueous chlorine dioxide solution
US6582734B1 (en) 2000-07-20 2003-06-24 Ecolab Inc. Antimicrobial composition useful for the treatment of bovine mastitis
US20060039840A1 (en) * 2004-08-18 2006-02-23 Avantec Technologies, Inc. Device and methods for the production of chlorine dioxide vapor
US20060039841A1 (en) * 2004-08-18 2006-02-23 Avantec Technologies, Inc. Systems and methods for producing aqueous solutions and gases having disinfecting properties and substantially eliminating impurities
US8361409B2 (en) 2005-09-19 2013-01-29 Odorstar Technology, Llc Systems and methods for producing aqueous solutions and gases having disinfecting properties and substantially eliminating impurities
US20090142235A1 (en) * 2005-09-19 2009-06-04 Avantec Technologies, Inc. Systems and methods for producing aqueous solutions and gases having disinfecting properties and substantially eliminating impurities
US20070237707A1 (en) * 2005-09-29 2007-10-11 Ramanath Bhat System and method for generation and delivery of a biocidal agent
JP2009528351A (en) * 2006-02-28 2009-08-06 ビーエーエスエフ、カタリスツ、エルエルシー Chlorine dioxide based cleaner / cleaning agent
WO2007100531A3 (en) * 2006-02-28 2007-10-18 Basf Catalysts Llc Chlorine dioxide based cleaner/sanitizer
US20070202095A1 (en) * 2006-02-28 2007-08-30 Speronello Barry K Chlorine dioxide based cleaner/sanitizer
US8673297B2 (en) 2006-02-28 2014-03-18 Basf Corporation Chlorine dioxide based cleaner/sanitizer
US9340756B2 (en) 2006-02-28 2016-05-17 Basf Corporation Chlorine dioxide based cleanser/sanitizer
US9078939B2 (en) 2012-01-23 2015-07-14 Star-Brite Distributing, Inc. Disinfectant system
US8691154B2 (en) 2012-02-17 2014-04-08 Diversey, Inc. Apparatus for the generation of cleaning and/or sanitizing solutions

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