GB2087940A - Fabric conditioning article method of manufacturing same and method of conditioning clothes therewith - Google Patents
Fabric conditioning article method of manufacturing same and method of conditioning clothes therewith Download PDFInfo
- Publication number
- GB2087940A GB2087940A GB8134424A GB8134424A GB2087940A GB 2087940 A GB2087940 A GB 2087940A GB 8134424 A GB8134424 A GB 8134424A GB 8134424 A GB8134424 A GB 8134424A GB 2087940 A GB2087940 A GB 2087940A
- Authority
- GB
- United Kingdom
- Prior art keywords
- substrate
- conditioning
- ink
- agent
- oxide
- 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.)
- Granted
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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
- C11D17/047—Arrangements specially adapted for dry cleaning or laundry dryer related applications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/203—Laundry conditioning arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Details Of Garments (AREA)
Abstract
An article useful for the conditioning of clothes in an laundry dryer during the drying cycle is produced which comprises a flexible polyurethane foam substrate impregnated with an effective amount of a conditioning agent and which has on at least one surface of the substrate a pattern which is substantially removed from the substrate during the drying cycle thereby indicating to the user of the article that the conditioning agent has been substantially removed from the article during the course of the drying cycle.
Description
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GB 2 087 940 A 1
SPECIFICATION
Fabric Conditioning Article, Method of Manufacturing Same, and Method of Conditioning Clothes Therewith
The present invention is concerned with an article useful for conditioning clothes in an laundry dryer during the drying cycle which article has a pattern thereon which is substantially removed from the article during the course of the drying cycle thereby indicating to the user of the article that the conditioning agent which the article contained has been substantially used up during the course of the drying cycle.
Various dryer added fabric conditioning agents for use in automatic laundry dryers for the purpose of conditioning clothes such as to provide softness and/or antistatic properties thereto or bacteriostatic or fungicidal properties thereto are known in the art. Such articles compries a fibrous, woven or nonwoven flexible substrate coated or impregnated with a suitable fabric conditioning agent or a flexible polyurethane foam substrate impregnated with a suitable fabric conditioning agent which will transfer from the substrate to the clothes to be conditioned during the drying cycle in an automatic laundry dryer. Frequently the user of such an article will attempt to reuse the article on a subsequent bundle of clothes and will be disappointed that the conditioning achieved from the first use is not repeated for the second.
The present invention provides a decorative pattern on the substrate which is visible to the user at the time the substrate is initially place in a laundry dryer with the clothes to be conditioned and which pattern substantially disappears from the substrate during the course of the drying cycle. The disappearance of the pattern is intended to indicate to the user that the conditioning agent has been substantially used up and that the substrate therefore does not contain a sufficient amount of conditioning agent to render the article useful a second or subsequent time. According to the present invention there is provided an article useful for conditioning clothes in a laundry dryer during the drying cycle which comprises a flexible polyurethane foam substrate impregnated with an effective amount of a conditioning agent and having on at least one surface of the substrate a pattern formed by an ink which adheres to the surface, is stable to the conditioning agent and is stable during the impregnation of the substrate with the conditioning agent, and which pattern substantially disappears from the substrate during this drying cycle. The conditioning agent comprises a fabric softening agent, an antistatic agent, a fabric softening and antistatic agent, a bacteriostatic or a fungicide.
The ink used to bring the pattern on the substrate preferably comprises a titanium dioxide (TiOz) water-based ink containing a suitable binder. The loading of ink measured as dried ink is preferably from 0.05 to 60gm-2 within the patterned area. When the conditioning agent is a fabric softening and antistatic agent one suitable class are cationic quaternary ammonium salts or a cationic quaternary ammonium salt in combination with a suitable nonionic sufactant. Any quaternary ammonium salt or combination of quaternary ammonium salt and/or suitable nonionic surfactant which salt, mixture of salts or mixture is known in the art to exhibit fabric softening and antistatic effect and which is compatible for impregnation into a flexible polyurethane foam substrate may be used.
Particularly useful cationic quaternary ammonium salts are:
dodecyltrimethyl ammonium chloride; didodecyldimethyl ammonium chloride; tetradecyltrimethyl ammonium chloride; ditetradecyldimethyl ammonium chloride; Pentadecyltrimethyl ammonium chloride; dipentadecyldimethyl ammonium chloride; didodecyldiethyl ammonium choride; didodecyldipropyl ammonium choride; ditetradecyldiethyl ammonium choride; ditetradecyldipropyl ammonium choride; ditallowdiethyl ammonium chloride; ditallowdipropyl ammonium chloride; tallowdimethyl benzyl ammonium chloride; tallowdiethyl benzyl ammonium chloride; dodecyltrimethyl ammonium methyl sulphate; didodecyldiethyl ammonium acetate tallowtrimethyl ammonium acetate;
tallowdimethyl benzyl ammonium nitrite; ditallowdipropyl ammonium phosphate; tallowtrimethyl ammonium chloride; tallowdimethyl (3-tallowalkoxpropyl)
ammonium chloride;
ditallow dimethyl ammonium chloride;
ditallow dimethyl ammonium methyl sulphate; icosyltrimethyl ammonium chloride; di-icosyldimethyl ammonium chloride; methyl-1-coco amido ethyl-2-coco imidazolinium methyl sulphate;
methyl-1-soya amido ethyl-2-soya imidazolinium methyl sulphate;
methyl-1 -tallow amido ethyl-2-tallow imidazolinium methyl sulphate;
methyl-1 -oleyl amidoethyl-2-oleyl imidazolinium methyl sulphate; and methyl-1-tallow amido ethyl-2-tallow imidazolinium chloride.
Particularly suitable zwitterionic quaternary ammonium compounds are:
3-(N-icosyl-N,N-dimethylammonio)-2-
hydroxypropane-1-sulphonate; 3-(N-icosyl-N,N-dimethylammonio)propane-1-
sulphonate; 3-(N-icosyl-N,N-di(2-hydroxyethyl)ammonio)-
2-hydroxypropane-1 -sulphonate; 3-(N-docosyl-N,N-dimethylammonio)-2-
hydroxypropane-1-sulphonate; 3-(N-docosyl-N,N-dimethylammonio)propane-
1-sulphonate;
3-(N-docosyl-N,N-bis-(2-
hydroxyethyl)ammonio)-2-hydroxypropane-1-sulphonate;
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GB 2 087 940 A 2
3-(N-tetracosyI-N,N-dimethylammonio)-2-
hydroxypropane-1 -sulphonate; 3-(N-tetracosyl-N,N-
dimethylammonio)propane-1-sulphonate; 3-(N-tetracosyl-N,N-bis(2-hydroxyethyl)ammonio)-2-hydroxypropane-
1-sulphonate; 3-(N-hexacosyl-N,N-dimethylammonio)-2-
hydroxypropane-1-sulphonate; 3-(N-hexacosyl-N,N-
dimethylammonio)propane-1-sulphonate; 3-(N-icosyl-N-ethyl-N-methylammonio)-2-
hydroxy-propane-1-sulphonate; 3-(N-docosyl-N-ethyl-N-methylammonio)-2-
hydroxy-propane-1-sulphonate; 3-(N-tetracosyl-N-ethyl-N-methylammonio)-2-
hydroxypropane-1 -sulphonate; 3-(N-henicosyl-N,N-dimethylammonio)-2-
hydroxy-propane-1 -sulphonate; 3-(N-tri-cosyl-N,N-dimethylammonio)-2-
hydroxypropane-1-sulphonate; 3-(N-tricosyl-N-ethyl-N-methylammonio)-2-
hydroxy-propane-1 -sulphonate; 3-(N-tricosyl-N,N-dimethyIammonio)propane-
1-sulphonate; 3-(N-pentacosyl-N,N-dimethylammonio)-2-
hydroxy-propane-1 -sulphonate; 3-(N-(2-methoxydocosyl)-N,N-dimethylammonio)-2-hydroxypropane-1-sulphonate;
3-(N-heptacosyl-N,N-
dimethyiammonio)propane-1 -sulphonate; 3-(N-octacosyl-N,N-dimethylammonio)-2-
hydroxy-propane-1 -sulphonate; 3-(N-nonacosyl-N,N-dimethylammonio)-2-
hydroxy-propane-1-sulphonate; 3-(N-triacontyl-N,N-
dimethylammonio)propane-1-sulphonate; 3-(N-(3,5-dioxatetracosyl)-N,N-dimethylammonio)-2-hydroxypropane-1-sulphonate.
Suitable anionic sulphonates include: ammonium 2-acetoxydocosyIsuIphonate; diethanolammonium 2-acetoxydocosylsulphonate;
sodium or potassium 2-acetoxytricosyl sulphonate;
sodium or potassium 2-acetoxytetracosyl sulphonate;
sodium or potassium 2-acetoxypentacosyl sulphonate;
sodium or potassium 2-acetoxyhexacosyl sulphonate;
sodium or potassium 2-acetoxyheptacosyl sulphonate;
sodium or potassium 2-acetoxyoctacosyl sulphonate;
2-acetoxynonacostyl sulphonate; 2-acetoxytriacontyl sulphonate; 2-acetoxyhenitriacontyl sulphonate; and 2-acetoxydotriacontyl sulphonate.
Particularly suitable softening nonionics include:
/5-hydroxydocosyldimethylphosphine oxide; henicosylimethylethylphosphine oxide;
docosyimethylethylphosphine oxide; tricosyldiethylphosphine oxide; tricosyldimethylphosphine oxide; tetracosyldi(2-hydroxyethyl)phosphine oxide; pentacosyldimethylphosphine oxide; icosylmethyl-2-hydroxybutylphosphine oxide; icosyldibutylphosphine oxide; docosylmethyl-3-hydroxybutylphosphine oxide;
hexacosyldiethylphosphine oxide; heptacosyldimethylphosphine oxide; octacosyldiethylphosphine oxide; triacontyldimethylphosphine oxide; icosyldimethylphosphine oxide;
icosyldi (2-hydroxyethyl)phosphine oxide; docosyldimethylphosphine oxide; docosyldi(2-hydroxyethyl)phosphine oxide; tetracosyldimethylphosphine oxide; hexacosyldimethylphosphine oxide; icosyldiethylphosphine oxide; docosyldiethylphosphine oxide; tetracosyldi(2-hydroxyethyl)phosphine oxide; icosylmethylethylphosphine oxide; henicosyldimethylphosphine oxide; /5-hydroxyicosyldimethylphosphine oxide; icosyl-bis(^-hydroxyethyl) amine oxide; icosyldimethylamine oxide; docosyldimethylamine oxide; docosyl-bis(/3-hydroxyethyl)amine oxide; tetracosyldimethylamine oxide; tetracosyl-bis(/3-hydroxyethyl)amine oxide; hexacosyldimethylamine oxide; hexacosyl-bis(/5-hydroxyethyl)amine oxide; 2-hydroxyicosyldimethylamine oxide; icosylmethylethylamine oxide; icosyldiethylamine oxide; 2-hydroxyicosyldiethylamine oxide; henicosyldimethylamine oxide; henicosyldiethylamine oxide; docosyldiethylamine oxide; tricosyldimethylamine oxide; tricosyldiethylamine oxide; tetracosyldiethylamine oxide; /3-hydroxytetracosyldimethylamine oxide; pentacosyldimethylamine oxide; hexacosyldiethylamine oxide;
icosylmethyl (2-hydroxypropyl)amine oxide; docosylbutylmethylamine oxide; 2-docosenyldimethylamine oxide; 2-methoxydocosyldimethylamine oxide; heptacosyldimethylamine oxide; octacosylmethylethylamine oxide; octacosyldiethylamine oxide; nonacosyldimethylamine oxide; triacontyldiethylamine oxide; 3,6-dioxaoctacosyldimethylamine oxide; 2-hydroxy-4-oxatetracosyldimethylamine oxide;
6-stearamidohexyldimethylamine oxide; glycerol-1 -monolaurate;
glycerol-1 -monomyristate;
glycerol-1 -monopalmitate;
glycerol-1 -monostearate;
glycerol-1 -monobehenate;
glycerol-1 -monlignicerate;
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GB 2 087 940 A 3
glycerol-1 -monarachidoate; glycerol-1,3-dipalmitate; glycerol-1,3-distearate;
glycerol-1 -palmitate-3-laurate,
glycerol-1 -pal m itate-3-stearate; glycerol-1,3-dibehenate;
trilaurin;
trimyristin;
triolein;
tristearin;
-palmitodistearin;
/5-stearopalmitolein;
/}-pa I m itod istea ri n;
sobitan fatty acid esters (mentioned in U.S. Patent No. 4,022,938 (Zaki, et at)
In addition to the above mentioned nonionics which function as the main or auxiliary softening agents in the present invention, there is a second class of nonionics which are also useful as melting point depressants and transfer facilitators to the previously mentioned softening compounds (quaternary ammonium salts, anionic and nonionic). Particularly suitable classes of these compounds include the following:
polyoxyethylene fatty acid esters; polyoxypropylene fatty acid esters; polyoxyethylene fatty alcohol ethers.
When the conditioning agent is a quaternary ammonium salt it wili have at least one of the properties of softening fabrics and conveying antistatic properties on to fabrics.
The present invention also includes a method of conditioning clothes in a laundry dryer during the drying cycle, which method comprises placing in the dryer the article according to the invention together with the clothes to be conditioned.
A further aspect of the present invention comprises a method for producing the article of the invention which comprises imprinting a desired pattern on a flexible polyurethane foam substrate either prior to impregnation of the polyurethane foam substrate with the conditioning agent or subsequent to the impregnation. The ink used to imprint the pattern must be one which adheres to the substrate, is stable to conditioning agent and if the pattern is applied prior to the impregnation step, the ink must be stable during the impregnation step and the ink must be such that the pattern substantially disappears from the substrate during the drying cycle of a laundry dryer. The fabric conditioning agent with which the polyurethane foam substrate is impregnated may comprise a fabric softening agent, an antistatic agent, a fabric softening and antistatic agent, a bacteriostatic agent or a fungicide.
An ink which meets the above criteria is suitably a titanium dioxide water-based ink containing a suitable binder has been found to be particularly useful. The loading of ink measured'as dried ink within the patterned area is preferably from 0.05 to 60grrT2 of finished product.
When the conditioning agent is a fabric softening agent and antistatic agent, it is preferably a quaternary ammonium salt, a mixture of such salts or quaternary ammonium salt in combination with a suitable nonionic surfactant. When the fabric conditioning agent with which the substrate is impregnated is a quaternary ammonium salt or mixture of such salts, said compounds will have at least one of the properties of softening fabrics and conveying antistatic properties thereto.
Suitable quaternary ammonium salts and nonionic surfactants have been described above.
The flexible polyurethane foam substrate which is preferred for use according to the present invention preferably has a thickness of approximately 0.22cm and a density of approximately 24Kg m-3. It is preferably an open-celled polyurethane foam and preferably the pore density is about 11 pores per cm2. If desired, the substrate may be coloured to provide a contrast to the ink which is used to form the pattern.
While with what is described above any ink system which meets the above set forth criteria may be used, one particularly acceptable ink system is Aqualox II (registered Trade Mark), white, which is an ink system of Inmont Corporation. This ink consists of 35% Ti02 in a water-base with an acrylic binder. Many inks contain binders or pigments which are readily dissolved into the active system of the substrate of dryer-added fabric softeners in conditioning agents and thus react with the substrate. This would result in problems during the impregnation of the substrate with the conditioning agent and would also be likely to cause staining of the clothes during the conditioning step in the dryer. Although the pattern substantially disappears from the substrate during the course of the drying cycle, the unique partial solvation of the binder by the active system both permits the transfer of conditioning agent and inhibits staining of the clothes.
The desired pattern may be imprinted under the flexible substrate by using any standard flexographic printing press. The flexographic printing press utilises a rotary flexible rubber plate in conjunction with a rapid drying ink. While the preferred loading of ink, measured as dry ink, within the patterned area as has been described above as being within the range of 0.05 to 60g irT2, the preferred loading range is in the range of 0.05 to 4.2g m-2.
The following Example illustrates the present invention.
Example
Aqualox II (registered Trade Mark), white, a TiOz water-based ink available commercially from Inmont Corp. Lodi, N.J., U.S.A. was used to print a roll of polyurethane foam. The open-celled polyurethane foam had a thickness of 0.22cm, a density of 24Kg m-3 and a pore density of 11 pores cm-2. A flexographic printing unit, Model 45—6, manufactured by Wolverine Flexographic Presses, Farmington, Michigan, U.S.A., was used
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GB 2 087 940 A
along with a 55 durometer synthetic rubber printing plate. The plate's raised printing surface consisted of 25% of the total surface area and individual designs were 1.48cm2 in area. The 5 average dry ink loading onto the foam was 3.2g m~2 within the printed areas, or approximately 0.8g m-2 over the total surface of the foam.
The printed foam was then impregnated with a 5:3 mixture of dimethyl di-(hydrogenated-10 tallow)ammonium methylsulphate polyethoxylated glycol ester in a liquid state at 82°C. The impregnation process is accomplished via a pair of compression rollers neither of which showed any visible evidence of ink solids either 15 during or after the run.
The finished printed and impregnated foam was then cut into 7.6x17.8cm sheets and evaluted in a standard residential clothes dryer.
After a normal 50 minute drying cycle the 20 pattern had substantially disappeared leaving no trace of any visible residue on the dark synthetic item used in the testing bundle.
Claims (11)
1. An article useful in conditioning clothes in a 25 laundry dryer during the drying cycle, which comprises a flexible polyurethane foam substrate impregnated with an effective amount of a conditioning agent and having on at least one surface of the substrate a pattern formed by an 30 ink which adheres to the substrate, is stable to the conditioning agent and is stable during the impregnation of the substrate with the conditioning agent, and which pattern substantially disappears from the substrate during 35 the drying cycle.
2. An article according to claim 1, characterised in that the conditioning agent comprises a bacteriostatic agent, a fungicide, a fabric softening agent, an antistatic agent, or a
40 combined fabric softening and antistatic agent.
3. An article according to claim 2,
characterised in that the conditioning agent comprises a cationic fabric softening and antistatic agent.
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4. An article according to claim 2,
characterised in that the fabric softening and antistatic agent comprises a quaternary ammonium salt alone or in combination with a suitable nonionic surfactant.
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5. An article according to any one of claims 1 to 4, characterised in that the ink comprises a Ti02 water-based ink containing a suitable binder.
6. An article according to any one of claims 1 to 5, characterised in that the loading of ink,
55 measured as dried ink, is from 0.05 to 60g m-2 within the patterned area.
7. A method of conditioning clothes in a laundry dryer during the drying cycle, which method comprises placing in the dryer an article
60 according to any one of claims 1 to 6, together with the clothes to be conditioned.
8. A method of producing an article according to any one of claims 1 to 6, which method comprises imprinting a desired pattern on a
65 flexible polyurethane foam substrate with an ink which adheres to the substrate and which substantially disappears from the substrate during the drying cycle, and impregnating the substrate with an effective amount of fabric conditioning
70 agent or agents, the ink being stable to the conditioning agent.
9. A method of producing an article according to any one of claims 1 to 6, which method comprises impregnating a polyurethane foam
75 substrate with an effective amount of a fabric conditioning agent or agents, and thereafter printing on the substrate a pattern with an ink which adheres to the impregnated substrate, is stable to the conditioning agent and substantially
80 disappears during the drying cycle of a laundry dryer.
10. A tablet as claimed in claim 1 and substantially as hereinbefore described with reference to the Example.
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11. A method of conditioning clothes as claimed in claim 7 and substantially as hereinbefore described with reference to the Example.
Printed for Her Majesty's Stationery Office by the Courier Press, Leamington Spa, 1982. Published by the Patent Office, 25 Southampton Buildings, London, WC2A 1 AY, from which copies may be obtained.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20895080A | 1980-11-21 | 1980-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2087940A true GB2087940A (en) | 1982-06-03 |
| GB2087940B GB2087940B (en) | 1985-09-25 |
Family
ID=22776722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8134424A Expired GB2087940B (en) | 1980-11-21 | 1981-11-16 | Fabric conditioning article method of manufacturing same and method of conditioning clothes therewith |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0052972B1 (en) |
| AT (1) | ATE14232T1 (en) |
| CA (1) | CA1152706A (en) |
| DE (1) | DE3171342D1 (en) |
| GB (1) | GB2087940B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2125455A (en) * | 1982-08-02 | 1984-03-07 | Colgate Palmolive Co | Article and composition for clothes conditioning and method of making and using same |
| GB2240791A (en) * | 1990-02-07 | 1991-08-14 | Ethyl Corp | Laundry dryer sheet |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0571470B1 (en) * | 1991-02-08 | 1995-08-02 | Albemarle Corporation | Laundry rinses and dryer sheets |
| GB2406099A (en) * | 2003-09-18 | 2005-03-23 | Reckitt Benckiser Inc | Foam articles having an antimicrobial benefit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3118060A (en) * | 1959-10-16 | 1964-01-14 | Courtaulds Ltd | Control of finish on fibrous material by the use of a fluorescing substance |
| GB2007096B (en) * | 1977-09-27 | 1982-09-02 | Exterma Germ Prod | Method of indicating the presence of an impregnant |
-
1981
- 1981-11-09 EP EP81305303A patent/EP0052972B1/en not_active Expired
- 1981-11-09 DE DE8181305303T patent/DE3171342D1/en not_active Expired
- 1981-11-09 AT AT81305303T patent/ATE14232T1/en not_active IP Right Cessation
- 1981-11-16 GB GB8134424A patent/GB2087940B/en not_active Expired
- 1981-11-20 CA CA000390589A patent/CA1152706A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2125455A (en) * | 1982-08-02 | 1984-03-07 | Colgate Palmolive Co | Article and composition for clothes conditioning and method of making and using same |
| GB2240791A (en) * | 1990-02-07 | 1991-08-14 | Ethyl Corp | Laundry dryer sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0052972A1 (en) | 1982-06-02 |
| ATE14232T1 (en) | 1985-07-15 |
| CA1152706A (en) | 1983-08-30 |
| GB2087940B (en) | 1985-09-25 |
| DE3171342D1 (en) | 1985-08-14 |
| EP0052972B1 (en) | 1985-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |