WO2001021225A2 - Material absorbente de sustancias olorosas y liberador de sustancias activas obtenidas de mazorcas de maiz (anillo de madera y fracciones de broza) - Google Patents
Material absorbente de sustancias olorosas y liberador de sustancias activas obtenidas de mazorcas de maiz (anillo de madera y fracciones de broza) Download PDFInfo
- Publication number
- WO2001021225A2 WO2001021225A2 PCT/MX2000/000034 MX0000034W WO0121225A2 WO 2001021225 A2 WO2001021225 A2 WO 2001021225A2 MX 0000034 W MX0000034 W MX 0000034W WO 0121225 A2 WO0121225 A2 WO 0121225A2
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- WO
- WIPO (PCT)
- Prior art keywords
- substances
- weight
- active
- odorous substances
- absorbent
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
- A61L9/013—Deodorant compositions containing animal or plant extracts, or vegetable material
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
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- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]
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- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Definitions
- a new product is described characterized by its qualities as absorbent of undesirable odors to smell that are present in the air, while serving as a vehicle or carrier for fragrances, flavorings and other active substances, which are released , gradually, by the airborne carrier.
- fragrances, flavorings and other active substances which are released , gradually, by the airborne carrier.
- the combination of both factors, absorbing undesirable odors and releasing fragrances or other active substances, is simultaneous and independent.
- the processes for obtaining this product are also described.
- Passive systems are characterized by substances or products that are exposed to the environment, absorb, adsorb or react chemically to eliminate odors, gases or particles from the air.
- Another method for the control of bad odors is the use of active substances focused on reacting with malodorous substances, through the use of specific chemical groups.
- active substances focused on reacting with malodorous substances, through the use of specific chemical groups.
- these substances are biguanide polymers, which intermingle with organic compounds containing N and / or S atoms, as well as esters of fatty alcohols of Methyl Metacrilate which react with thiols, amines and aldehydes.
- deodorant compounds known in the state of the art are those that contain antibacterial and anti-fungicidal agents, which attack the microorganisms that produce bad odors. These compounds, typical in the formulations of personal hygiene products, are not effective in combating odorous substances that have already been generated and that do not come from sources such as tobacco smoke or the smell of food.
- adsorbent substances or products which adhere to their molecular structure particles or compounds whose chemical composition causes the bad smell;
- absorbent agents that are characterized by admitting the malodorous molecule inside its molecular structure, retaining it in its internal structure.
- odor absorbing agents include charcoal, alkaline compounds such as sodium bicarbonate, silicate aluminates and Zeoliate.
- absorbents are chemical substances such as, for example, Cyclodextrins whose internal molecular cavities admit small molecules of malodorous agents.
- Cyclodextrin especially when formulated in aqueous solution, Or 01/21225
- the passive medium which basically involves exposing the active substance or the absorbent agent to the environment so that it removes odors from the air surrounding that comes into contact with the agent
- the active medium by means of which a mechanical system is used that circulates the air in a forced manner and in which the combination of absorbents or active substances can be used to either aromatize, react Chemically with smelly substances or absorb bad odors from the air.
- the concept of the new product subject matter of the present invention is extended in its range of applications to the power, for example, to be used in the home, industry or others, combining its qualities to absorb bad odors and gradual release of an aromatic substance to control insect pests such as cockroaches in kitchens.
- a substance such as Nepetalactone known for its qualities as a repellent of the aforementioned insect, is combined with the absorbent vehicle that, in addition to gradually releasing the repellent aroma, would absorb the bad odors that may be present in the area of use
- substances that act as attractants of some species can be used, this application being particularly useful for pets in the home, such as using both the carrier and the attractive fragrance in the manufacture of beds for cat waste
- the vehicle carrying aromatizers can be combined with other chemical substances whose properties allow to react chemically with aromas or substances present in the air, without the substances impregnated in the carrier vehicle being perceived by human smell.
- the product object of the present invention complies with the qualities of odor absorption and release of fragrances, aromas or other substances in a passive manner, simply by being exposed to the environment in any type of container that allows contact with the air that go around
- the new product also meets the quality of serving as a substantial component in active air filtration systems. Being that it can adapt to all types of air conditioning, heating and air washing systems - industrial, commercial or transport vehicles - depending on its functionality of only using the appropriate container that adapts to the air intake of the system in question.
- the qualities of the new product are more noticeable and effective in those active air filtration and conditioning systems, characterized by recycling air in relatively small spaces, such as, among others, cars, airplanes and public transport vehicles.
- the intensity and duration of the flavoring or fragrance to be released into the air through active systems can be controlled by the concentration of fragrances or active substances to be used and the appropriate formulation thereof, of according to the knowledge that exists in the state of the art in this matter.
- the body of the product object of the present invention is constituted by two basic elements: first, a vehicle or carrier characterized by its great ability to absorb odors, in addition to gradually releasing flavorings or other active substances into the air or environment surrounding. Second, one or more chemical elements, natural or synthetic, that added to the vehicle fulfill various functions - according to the results that are sought to be obtained - such as aromatizing or perfuming the air, reacting with harmful or undesirable substances present in the air, release therapeutic chemical agents, repellents or attractants.
- the vehicle that is part of the product object of the present invention is a material extracted from the corn husk of corn ⁇ Zea corn), whose physical and chemical qualities "sui góneris" allow the previously described functions of absorption, adsorption and gradual release.
- Obtaining the different components that make up the corn husk is a consequence of a manufacturing process, known in the state of the art, through which each of the components that make up the shelled corn is separated, classified and sized. of corn
- the shelled corn cob also known as "olote” in Mexico, corn spike in Spanish, “corn cob” in English, “sabugo” in Portuguese and 'baile de ma ⁇ "in French, is constituted, seen in cross-section, by three concentric rings designated in Castilian, from the inside to the outside: pith, wood ring and brush.
- the material of the present invention comprises both the intermediate ring - wood ring - and the outer ring - brush -.
- the main characteristics of the product from the wooden ring for To comply with the object of the present invention are: the granules of the wooden ring must be free in at least 99% of other particles from the corn cob, not having more than 1% of powders or fines (the product must be air washing), having undergone a heat treatment that guarantees product acceptance and humidity (water content) of less than 10%. Also, for its correct functionality, the particle size must be stable, in homogeneous granulometry, whose ranges must not exceed a maximum of 2380 microns and a minimum of 250 microns.
- the corn cob wood ring is characterized by the following: a hardness of 4.5 on the Mohs scale, an absorbency in light oil (for example soybean oil) of 1 to 1 based on weight and a molecular structure typical of a natural fiber.
- the various granulometries that ideally work for the purpose of the present invention are: particles retained and larger than 2380 microns mesh, particles between 2380 and 1191 microns, particles between 1191 and 841 microns, particles between 841 and 420 microns.
- the main characteristic of particle size or particle size is the contact surface that each represents; For example, particles between 1410 and 841 microns have an average contact surface of 5.88 square meters per gram, particles between 841 and 420 microns have an average contact surface of 7.20 square meters per gram.
- This characteristic is decisive in the qualities of adsorption and absorption of different substances by the vehicle that integrates the product object of the present invention.
- the particle of the wooden ring of the cob is characterized by having a structure that looks at the electron microscope, resembles that of a marine sponge, that is, with large empty spaces. Therefore, it is inferred that it has the capacity to admit and retain substances of large molecular size. This allows absorption qualities superior to those of absorbents such as Cyclodextrin which, as is known in the state of the art, only admits small smelly molecules.
- Test # 1 A portion of mature cheese (Camembert type) of approximately 100 g was placed in an airtight hood. And one to a portion of pork bacon of approximately 20 g, in a 10 cm flat container, 25 g of wood ring particles of size between 1410 and 841 microns were placed in diameter. A witness bell was prepared with the same components, except the wooden ring of the pot. Both campaigns were reviewed 24 hours a day, 3 days, 5 days and 8 days; The bell with the absorbent material practically did not show the characteristic smell of the decomposition of the aforementioned products, while the control bell presented powerful and unpleasant output tones.
- Test # 2 In an airtight hood, an amount of approximately 10 g of tobacco was incinerated in each. One bell was provided with a flat container with 10 g of wood ring of size between 1410 and 841 microns and the other remained as a witness, so the absorbent material was not added. At 24 hours both bells were opened, since the bell with the absorbent did not present the characteristic notes of tobacco, while the witness presented powerful notes characteristic of tobacco. In both tests the evaluation of the notes or aromas was carried out by the authors of the present invention, as well as by a professional perfumer, whose educated sense of smell rendered a more objective opinion about the result of these tests.
- the brush As regards the characteristics of the other product that is obtained from the corn husk, this is the brush, its qualities as a vehicle or carrier of fragrances and other active agents, they are similar to that of the wooden ring , the most notable differences being: a greater absorption capacity, between 1.5 and 3 times its weight in light oil; a granulometry between 841 and 73 microns and a lower fluidity, given its physical appearance more similar to that of a flour against an aspect Or 01/2
- both the product of the wooden ring and that of the cob brush are characterized by having an almost neutral PH, of the order of 6, so they are ideal for mixing with all types of substances, since it does not react and, unlike other vehicles it is not necessary to deactivate or neutralize them previously.
- the physical and chemical characteristics of the corn husk are not conducive to the development of microorganisms, so that also as an absorbent and adsorbent agent the cob is not a breeding ground for bacteria or fungi, which in turn are the cause of bad smells. This is known in the state of the art since the whole and shelled corn cob, even when left outdoors for periods of up to one year, the cob does not decompose, since the microorganisms that achieve this effect do not thrive in The body of it.
- the functional object is the adsorption of an active substance to be released into the air, while allowing the passage of air to absorb undesirable odors in it, the ideal product is that obtained from the wooden ring. If, on the contrary, the functional object is to achieve an adsorption of an active substance to be released in the air and the absorption of odors therein is less relevant, the product of choice is that derived from the brush of the corncob ear.
- the active substances whether aromas, perfumes or other chemical agents, which are integrated into the body of the product object of the present invention.
- these substances are available in a liquid state, which according to the chemical constitution of the active agent, can be water soluble or fat soluble.
- the vehicle or carrier depending on the type of base of the active agent, can absorb a greater or lesser amount of said agent and, according to its chemical constitution and molecule size of the agent, the vehicle would gradually release it, in form faster or slower, to the surrounding air, while absorbing odors or other agents present in it.
- the intensity, duration and brilliance of the aroma, as in the case of fragrances, will depend on factors of the composition of the active agent, such as, for example, its molecular size (larger equals longer duration) or the presence of esters They evaporate faster.
- EXAMPLE # 1 For fragrances, perfumes and therapeutic aromas, usually on a polyvinyl glycol base or in light mineral oil, the concentration based on the weight of the wooden ring of the cob to active agent is 0.01% to 18% , being that a greater amount of agent saturates and the mixture loses fluidity. For concentrations based on weight of the brush product, the concentration ranges from 0.01% to 36%
- EXAMPLE # 2 for repellents and attractants, usually in oily bases, the concentration ranges, both for the wooden ring and for the brush are similar before, depending on the concentrations of the functionality expected of the active agent to be used.
- EXAMPLE # 3 for oxidants and reducers, generally in liquid base, the concentration ranges on the basis of weight, both for wood ring and for brush, are from 0.05% to 5% of active substance to carrier vehicle. Being here that the most determining factor is not the absorption capacity of the vehicle, rather its ability to remain stable and not be affected by the active substance.
- EXAMPLE # 4 for antibacterial and antifungal agents, when these are oil based, the proportion based on weight of active agent to vehicle is as in example # 1; when the base is aqueous, concentrations based on weight can range from 0.01% to 25% in the wooden ring and from 0.01% to 50% in the brush. The concentration to be chosen will be about the experience of who makes the formulations according to what is known in the state of the art.
- the use of active agents in solid state that adhere to the surface of the vehicle allows the latter to occupy a greater proportion of its absorption capacity to eliminate notes in the air.
- the vehicle or carrier occupies a part of its absorption and adsorption capacity to retain them while they are gradually released, partially reducing by that time the ability to absorb undesirable notes or other agents. 13 tes contained in the air with which it comes into contact.
- the aforementioned variant of using active substances in solid state instead of liquid consists of the concurrence of 4 basic elements: the vehicle or carrier, consisting of a product derived from the corn cob; the active agent that is in a liquid or solid state; a solid, mineral or organic carrier or vehicle, highly absorbed to be used in case the active agent is present in a liquid base and, finally, a substance that ensures that the active agent absorbent vehicle adheres or adsorbs to the carrier vehicle - corn cob - avoiding separation between vehicles and ensuring their dispersion and correct functionality.
- the vehicle or carrier consisting of a product derived from the corn cob
- the active agent that is in a liquid or solid state a solid, mineral or organic carrier or vehicle, highly absorbed to be used in case the active agent is present in a liquid base
- a substance that ensures that the active agent absorbent vehicle adheres or adsorbs to the carrier vehicle - corn cob - avoiding separation between vehicles and ensuring their dispersion and correct functionality we describe two practical examples
- Wood ring was used in particle sizes between 1410 and 841 microns.
- the active agent is a floral fragrance, concentrated to the maximum in polyvinyl glycol.
- EXAMPLE # 5 Cob vehicle mixed directly with an active agent in liquid base. Conditions: depending on the density of the active agent, saturation of the vehicle or carrier equivalent to 18% of the vehicle weight was achieved, that is, 180 grams of active agent were incorporated for each kilogram of vehicle, without the vehicle losing qualities of fluidity, absorption of environmental notes and gradual release of active agent (flavoring),
- EXAMPLE # 6 The active agent in liquid form is mixed with Silicon Dioxide (Si02), in a proportion of 1 to 4 based on the weight of active agent to Silicon Dioxide.
- the corncob absorbent vehicle was impregnated with an adhesive, in this case in a solution of ammonium surfactant with water, in foamed form in an amount equivalent to .5% of the weight of the cob vehicle.
- EXAMPLE # 7 Adhesives on the basis of surfactants: Ammonium, cationic and amphoteric can be used. The formulation is of a foamy base, adding enough water between 0.02% and 5% surfactant to water, depending on the type. The amount of foam on the basis of weight with the wooden ring (vehicle) is between 0.5% and 3.5% of surfactant to vehicle. Higher amounts do not allow an adequate mixture of active agent in solid form.
- EXAMPLE # 8 adherents based on mineral oils, should be highly refined, odorless and colorless preferably; its viscosity on the Saybolt scale (SUS / 210 F) should be between 40 and 300.
- the concentration of oil to wood ring on the basis of weight may be between 0.5% to 18%.
- the active agent (polymers, flavorings, oxidants, attractants, repellents, reducing agents, antibacterials, etc.) in solid form, it must be dispersed in a granular type vehicle whose measurements must be found 15 between 37 and 250 microns.
- the amount of solid active agent dispersed in granules per cob can be, on a weight basis, between 1% and 40%.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Analytical Chemistry (AREA)
- Botany (AREA)
- Zoology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Fats And Perfumes (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00961244A EP1145723B1 (en) | 1999-09-17 | 2000-09-13 | Composition absorbing odorous substances and releasing various active substances |
US09/856,196 US6635344B1 (en) | 1999-09-17 | 2000-09-13 | Composition absorbing odorous substances and releasing various active substances |
AT00961244T ATE313338T1 (de) | 1999-09-17 | 2000-09-13 | Absorbierende zusammensetzung für riechende substanzen und freisetzung verschiedener aktiver verbindungen |
AU73225/00A AU7322500A (en) | 1999-09-17 | 2000-09-13 | Composition absorbing odorous substances and releasing various active substances |
DE60024964T DE60024964T2 (de) | 1999-09-17 | 2000-09-13 | Absorbierende zusammensetzung für riechende substanzen und freisetzung verschiedener aktiver verbindungen |
US10/642,920 US7163737B2 (en) | 1999-09-17 | 2003-08-18 | Absorbent composition of matter for odoriferouse substances and releaser of diverse active ingredients and articles incorporating same |
US10/689,441 US6936344B2 (en) | 1999-09-17 | 2003-10-20 | Absorbent composition of matter for odoriferous substances and releaser of diverse active ingredients |
US11/250,306 US7247377B2 (en) | 1999-09-17 | 2005-10-14 | Absorbent composition of matter for controlled release of essential oils |
US11/781,241 US20070276053A1 (en) | 1999-09-17 | 2007-07-21 | Soap Product with Absorbent Composition of Matter for Controlled Release of an Active Ingredient |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA/A/1999/008523A MXPA99008523A (es) | 1999-09-17 | Composicion absorbente de sustancias olorosas y liberadora de diversas sustancias activas | |
MX998523 | 1999-09-17 |
Related Child Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/856,196 A-371-Of-International US6635344B1 (en) | 1999-09-17 | 2000-09-13 | Composition absorbing odorous substances and releasing various active substances |
US09856196 A-371-Of-International | 2000-09-13 | ||
US10/642,920 Continuation-In-Part US7163737B2 (en) | 1999-09-17 | 2003-08-18 | Absorbent composition of matter for odoriferouse substances and releaser of diverse active ingredients and articles incorporating same |
US10/689,441 Continuation US6936344B2 (en) | 1999-09-17 | 2003-10-20 | Absorbent composition of matter for odoriferous substances and releaser of diverse active ingredients |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001021225A2 true WO2001021225A2 (es) | 2001-03-29 |
WO2001021225A3 WO2001021225A3 (es) | 2002-05-16 |
Family
ID=19745117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/MX2000/000034 WO2001021225A2 (es) | 1999-09-17 | 2000-09-13 | Material absorbente de sustancias olorosas y liberador de sustancias activas obtenidas de mazorcas de maiz (anillo de madera y fracciones de broza) |
Country Status (7)
Country | Link |
---|---|
US (2) | US6635344B1 (es) |
EP (1) | EP1145723B1 (es) |
AT (1) | ATE313338T1 (es) |
AU (1) | AU7322500A (es) |
DE (1) | DE60024964T2 (es) |
ES (1) | ES2255507T3 (es) |
WO (1) | WO2001021225A2 (es) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2002071881A1 (es) * | 2001-03-14 | 2002-09-19 | Elsa Margarita Reinhold Rojo | Plantilla anatomica para calzado basandose en plantas y esencias naturales |
CN109289783A (zh) * | 2018-10-22 | 2019-02-01 | 北京科技大学 | 利用大蒜秸秆废弃物制备除砷复配吸附材料及使用方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7163737B2 (en) * | 1999-09-17 | 2007-01-16 | De Almeida Jose Represas | Absorbent composition of matter for odoriferouse substances and releaser of diverse active ingredients and articles incorporating same |
DE60024964T2 (de) * | 1999-09-17 | 2006-08-24 | Aproa Asesores S.C. | Absorbierende zusammensetzung für riechende substanzen und freisetzung verschiedener aktiver verbindungen |
US20070276053A1 (en) * | 1999-09-17 | 2007-11-29 | Aproa Asesores S.C. | Soap Product with Absorbent Composition of Matter for Controlled Release of an Active Ingredient |
US7247377B2 (en) * | 1999-09-17 | 2007-07-24 | Genaro Casas Jassan | Absorbent composition of matter for controlled release of essential oils |
US7427417B2 (en) * | 2004-03-19 | 2008-09-23 | Sequim Lavender Company, Llc | Aromatherapy delivery system |
WO2007144694A2 (en) * | 2005-10-14 | 2007-12-21 | Genaro Casas Jassan | Natural pesticide |
US8601981B2 (en) * | 2007-01-18 | 2013-12-10 | Profile Products L.L.C. | Animal litter |
US20080210173A1 (en) * | 2007-01-18 | 2008-09-04 | Profile Products L.L.C. | Animal litter |
US8739735B2 (en) * | 2012-01-16 | 2014-06-03 | Nestec S.A. | Compositions useful as animal litter |
US8800495B2 (en) * | 2012-02-29 | 2014-08-12 | Tjm Innovations, Llc | Corncob based animal litters |
CN103251973B (zh) * | 2012-12-21 | 2015-10-28 | 长兴东方梅园有限公司 | 一种缓慢释放香水的方法 |
ITVA20130040A1 (it) * | 2013-07-16 | 2015-01-17 | Lamberti Spa | Antischiuma in polvere |
WO2017085152A1 (en) | 2015-11-16 | 2017-05-26 | Firmenich Sa | Odor neutralizer for ammonia and primary or secondary amines |
WO2017140860A2 (en) | 2016-02-17 | 2017-08-24 | Firmenich Sa | Manufactured product diffusing volatile ingredients |
WO2018197549A1 (en) | 2017-04-27 | 2018-11-01 | Firmenich Sa | Odor neutralizer for ammonia and primary or secondary amines |
US11358120B2 (en) | 2018-06-05 | 2022-06-14 | Genaro Casas Jassan | Composition of matter for adsorbing scents and releasing active ingredients |
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AU4513896A (en) * | 1994-12-12 | 1996-07-03 | Co-Pak, Inc. | Agricultural residue based absorbent material and method for manufacture |
US5878696A (en) * | 1997-04-22 | 1999-03-09 | Dickey Environmental Systems, Llc | Absorbant animal bedding |
DE60024964T2 (de) * | 1999-09-17 | 2006-08-24 | Aproa Asesores S.C. | Absorbierende zusammensetzung für riechende substanzen und freisetzung verschiedener aktiver verbindungen |
-
2000
- 2000-09-13 DE DE60024964T patent/DE60024964T2/de not_active Expired - Lifetime
- 2000-09-13 EP EP00961244A patent/EP1145723B1/en not_active Expired - Lifetime
- 2000-09-13 ES ES00961244T patent/ES2255507T3/es not_active Expired - Lifetime
- 2000-09-13 WO PCT/MX2000/000034 patent/WO2001021225A2/es active IP Right Grant
- 2000-09-13 US US09/856,196 patent/US6635344B1/en not_active Expired - Lifetime
- 2000-09-13 AU AU73225/00A patent/AU7322500A/en not_active Abandoned
- 2000-09-13 AT AT00961244T patent/ATE313338T1/de not_active IP Right Cessation
-
2003
- 2003-10-20 US US10/689,441 patent/US6936344B2/en not_active Expired - Lifetime
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002071881A1 (es) * | 2001-03-14 | 2002-09-19 | Elsa Margarita Reinhold Rojo | Plantilla anatomica para calzado basandose en plantas y esencias naturales |
CN109289783A (zh) * | 2018-10-22 | 2019-02-01 | 北京科技大学 | 利用大蒜秸秆废弃物制备除砷复配吸附材料及使用方法 |
Also Published As
Publication number | Publication date |
---|---|
US6936344B2 (en) | 2005-08-30 |
DE60024964T2 (de) | 2006-08-24 |
EP1145723A2 (en) | 2001-10-17 |
AU7322500A (en) | 2001-04-24 |
US6635344B1 (en) | 2003-10-21 |
DE60024964D1 (de) | 2006-01-26 |
ATE313338T1 (de) | 2006-01-15 |
EP1145723B1 (en) | 2005-12-21 |
US20040081822A1 (en) | 2004-04-29 |
ES2255507T3 (es) | 2006-07-01 |
WO2001021225A3 (es) | 2002-05-16 |
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