US1748675A - Process for protecting materials against attack by moths - Google Patents

Process for protecting materials against attack by moths Download PDF

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Publication number
US1748675A
US1748675A US174693A US17469327A US1748675A US 1748675 A US1748675 A US 1748675A US 174693 A US174693 A US 174693A US 17469327 A US17469327 A US 17469327A US 1748675 A US1748675 A US 1748675A
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US
United States
Prior art keywords
moths
against attack
ester
materials against
phosphoric 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 - Lifetime
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US174693A
Inventor
Lommel Wilhelm
Munzel Heinrich
Hentrich Winfrid
Hardtmann Max
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IG Farbenindustrie AG
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IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of US1748675A publication Critical patent/US1748675A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
    • A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2525—Coating or impregnation functions biologically [e.g., insect repellent, antiseptic, insecticide, bactericide, etc.]
    • Y10T442/2541—Insect repellent

Definitions

  • the present invention relates to a process for protecting materials against attack by moths and to the materials thus obtained.
  • the protection of Wool, fur, hair and the like from attack by moths is effected by a. treatment of the material in question with the esters of phosphoric acid, so that the same are uniformly incorporated Within the materials and permanently retained therein.
  • the materials to be moth-proofed are immersed in solutions of the phosphoric acid esters in suitable solvents, as for example benzine, L carbon, tetrachloride, alcohols such as for instance ethyl and methyl alcohol, and the like, or they are sprayed with such solutions or treatcclb some such rocess whichwill serve to incorporate the desired mothproofing ingredient, so that it will be retained thereafter.
  • suitable solvents as for example benzine, L carbon, tetrachloride, alcohols such as for instance ethyl and methyl alcohol, and the like.
  • Example 1 The goods are immersed in a 2% solution of diphenyl-o-cresyl-phosphoric acid ester in benzine and after removal of the excess of 0 liquid they are dried. The goodsafter the treatment are moth-proofed Without detriment to the color and other physical characteristics.
  • Example 2 A 1% solution of triphenyl phosphoric acid ester in Wood alcohol is sprayed upon the article to be mothproofed. After the evaporation of the alcohol the goods are fully protected against attack by moths.
  • esters of the phosphoric acid such as the diphenyl-anaphthyl ester, diphenyLB-naphthyl ester, diphenyl-o-,.m-and p-cresyl esters, phenyl- (li-m-cresyl ester, tri-o-chlorophenyl-ester, tri-oand p-chloro-phenyl esters, monophenyl-di-m-chlorocresyl ester, tetraphenylresorcyl ester, tricresyl ester or the like, or
  • suitable mixtures of any two or more of these can be applied.
  • Such mixtures can be produced either by mixing the pure esters in any of the esters directly from a mixed starting material such as for example crude cresol.
  • moth protecting agents e. g., such as are described in our prior Patent No; 1,562,- 510 can also be admixed with the phosphoric acid esters, if desired.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Description

Patented Feb. 25, 1930 UNITED STATES PATENT OFFICE WILHELM LOMMEL, OF WIESDORF-ON-THE-RHINE; HEINRICH MIl'NZEL, OF LEVER- KUSEN-ON-THE-RHINE; AND WINFRID HENTRICH AND MAX HARDTMANN, OF
WIESDORF-ON-THE-RHINE, GERMANY,
ASSIGNORS TO I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT, 0F FRANKFORT-ON-THE-MAIN, GERMANY PROCESS FOR PROTECTING MATERIALS AGAINST ATTACK BY MOTHS No Drawing. Application filed March 1 1, 1927, Serial No, 174,693, and in Germany March 15, 1926.
The present invention relates to a process for protecting materials against attack by moths and to the materials thus obtained.
In accordance with this invention the protection of Wool, fur, hair and the like from attack by moths is effected by a. treatment of the material in question with the esters of phosphoric acid, so that the same are uniformly incorporated Within the materials and permanently retained therein.
According to our preferred mode of Working the materials to be moth-proofed are immersed in solutions of the phosphoric acid esters in suitable solvents, as for example benzine, L carbon, tetrachloride, alcohols such as for instance ethyl and methyl alcohol, and the like, or they are sprayed with such solutions or treatcclb some such rocess whichwill serve to incorporate the desired mothproofing ingredient, so that it will be retained thereafter. It will be understood that other carriers or diluents may be used.
The following examples will serve to illustrate the principles underlying our invention:
Example 1 The goods are immersed in a 2% solution of diphenyl-o-cresyl-phosphoric acid ester in benzine and after removal of the excess of 0 liquid they are dried. The goodsafter the treatment are moth-proofed Without detriment to the color and other physical characteristics.
' Example 2 A 1% solution of triphenyl phosphoric acid ester in Wood alcohol is sprayed upon the article to be mothproofed. After the evaporation of the alcohol the goods are fully protected against attack by moths.
In an analogous manner other esters of the phosphoric acid, such as the diphenyl-anaphthyl ester, diphenyLB-naphthyl ester, diphenyl-o-,.m-and p-cresyl esters, phenyl- (li-m-cresyl ester, tri-o-chlorophenyl-ester, tri-oand p-chloro-phenyl esters, monophenyl-di-m-chlorocresyl ester, tetraphenylresorcyl ester, tricresyl ester or the like, or
suitable mixtures of any two or more of these, can be applied. Such mixtures can be produced either by mixing the pure esters in any of the esters directly from a mixed starting material such as for example crude cresol.
Other moth protecting agents, e. g., such as are described in our prior Patent No; 1,562,- 510 can also be admixed with the phosphoric acid esters, if desired.
\Ve claim 1. The process for protecting Wool, furs and other materials against attack by moths, which consists in impregnating the material with a solution of a phosphoric acid aryl ester.
2. The process for protecting wool, furs and other materials against attack by moths which consists in impregnating the material with an aryl ester of phosphoric acid.
3. The process for protecting Wool, furs and other materials against attack by moths which consists in. impregnating the material with an alcoholic solution of diphenylcresylphosphoric acid ester.
4. Materials which are liable to attack by moths impregnated with an aryl ester of phosphoric acid.
5. Materials which are liable to attack by moths impregnated With diphenyl-cresyL- our hands. WILHELM LOlVlMEL. HEINRICH MUNZEL. WINFRID HENTRICH. MAX HARDTMANN.
US174693A 1926-03-15 1927-03-11 Process for protecting materials against attack by moths Expired - Lifetime US1748675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1748675X 1926-03-15

Publications (1)

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US1748675A true US1748675A (en) 1930-02-25

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479938A (en) * 1946-12-06 1949-08-23 Monsanto Chemicals Tetraalkyl phenyl triphosphates
US2520090A (en) * 1947-12-30 1950-08-22 Monsanto Chemicals Polyphosphates of divalent aryl hydrocarbons
US2531354A (en) * 1947-02-28 1950-11-21 Monsanto Chemicals Insecticidal composition comprising heat-treated hexaethyl tetraphosphate
US2545186A (en) * 1947-06-02 1951-03-13 Shell Dev Nonaqueous insecticidal emulsions containing organic esters of phosphorous acids
US2710269A (en) * 1951-07-02 1955-06-07 Higgins Eric Berkeley Method of treating woolen textile materials with di-pentachlorphenyl-mono-hydrogen phosphate for protecting such textiles against biological attack
US2809131A (en) * 1954-06-23 1957-10-08 Mayo K Walden Process for protecting wool from yellowing by applying dibutyl butane-phosphonate

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479938A (en) * 1946-12-06 1949-08-23 Monsanto Chemicals Tetraalkyl phenyl triphosphates
US2531354A (en) * 1947-02-28 1950-11-21 Monsanto Chemicals Insecticidal composition comprising heat-treated hexaethyl tetraphosphate
US2545186A (en) * 1947-06-02 1951-03-13 Shell Dev Nonaqueous insecticidal emulsions containing organic esters of phosphorous acids
US2520090A (en) * 1947-12-30 1950-08-22 Monsanto Chemicals Polyphosphates of divalent aryl hydrocarbons
US2710269A (en) * 1951-07-02 1955-06-07 Higgins Eric Berkeley Method of treating woolen textile materials with di-pentachlorphenyl-mono-hydrogen phosphate for protecting such textiles against biological attack
US2809131A (en) * 1954-06-23 1957-10-08 Mayo K Walden Process for protecting wool from yellowing by applying dibutyl butane-phosphonate

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