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Patent: To Unstink The Stink
Patent: To Unstink The Stink   | Angleton,hou_txbz,smell,stink,Scott A. Elrod,patent,8066939,Descenting Methods,

Scott A. Elrod of Angelton recently received U.S. Patent 8,066,939 for “Descenting Methods.”

Texas Business Patent of the Day:  Do you smell like fish after fishing and cleaning fish? A Brazoria County man devised a way to unstink your stink.

Scott A. Elrod of Angelton recently received U.S. Patent 8,066,939 for “Descenting Methods.”

Elrod applied for the patent on February 24, 210.

The patent assignee is Parah LLC of Angleton.

Elrod’s invention is directed to descenting systems and methods; in certain aspects, to such systems and methods for facilitating human/animal encounters and activities; and in other aspects to methods and systems for reducing or eliminating human odors that are detectable by animals, according to the patent document.  

The invention relates to a method of descenting the clothes and apparatus of sportsmen, both professional, non professional, military personnel, bikers, campers and others.

A method is provided for reducing or removing human scent and any other scent that is not advantageous in an environment from clothing and equipment of hunters and fish odors from fishermen utilizing an oxidizing agent which is ozone and/or a combination of hydroxyl and hydroperoxide ions.

More particularly, there is provided a method of reducing or removing human scent and any other scent in a space between a human and an animal that is not advantageous in an environment, including scents emitting from human breath, human bodies, and from clothing and equipment, the methods utilizing an oxidizing agent which is, e.g., ozone and/or a combination of hydroxyl and hydroperoxide ions. 

Hunters, wildlife enthusiasts, and wildlife photographers all have an interest in attracting wildlife, such as, but not limited to, deer; and/or an interest in not being detected by animals. Deer rely heavily on their sense of smell to react with their surrounding environment, including to sense danger, interact with other deer and find food.

 Scents that are not a natural part of the environment will often function as a warning to deer, which may result in the deer being spooked and running from the unnatural scent. 

Human breath and foot odor also will warn animals.

 Some of these compounds are the result of bacteria reacting with body emanations, while other compounds directly emanate from humans. Other compounds emanated from humans can include pheromones, deodorants and perfumes as well as the detergents, perfumes, scents, and additives left on human clothes.

While it is not known which specific compound or blends of compounds emanating from humans are identified by an animal as human, there is currently no effective way to eliminate or reduce odors from humans and from clothing and equipment enough to reduce the odors to inhibit detection by wildlife or effectively attract wildlife. 

Persons interested in preventing detection by deer detecting human odors or interested in attracting deer often use masks, attractants, or cover scents to prevent alerting and spooking the deer. Some commonly used masks are carbon sprays which, in addition to being dangerous to inhale and which can irritate skin, become ineffective once dry.

Many of the attractants contain deer urine or estrous, which besides being offensive to the human user, have limited shelf life and are generally ineffective since especially the estrous tend to occur naturally only in certain seasons. Cover scents such as fruit extracts or fragrances last a short time and are often so over-powering that the deer easily identifies the smell as unnatural and runs.

 The use of descenting soaps and shampoos is messy, time-consuming, often skin irritating, often ineffective and does not address breath odor. Breath descenting using herbs are generally distasteful, and face masks containing carbons or sieves are extremely uncomfortable. 

More recently, the use of clothing containing activated carbons and/or clothing containing bacteria killing metals such as silver has gained some popularity. However, activated carbon has a very low capacity for odorants and requires temperatures preferably above 400 degrees  C., more preferably above 600 degrees C. to regenerate the carbon.

These temperatures are well beyond temperature (100 C to 120 C) that a conventional gas or electric clothes dryer is capable of achieving. Placement of clothing in ovens capable of achieving 400 C plus temperatures needed to regenerate the carbon can damage the fabric of a garment. Silver or other metal-containing clothing requires direct contact of the metal with the bacteria to be effective, which is almost never the case since the clothing would then be so restricting as to be uncomfortable. These types of clothing are also expensive and do not address human odors such as those in human breath, nor do they address any of the odors emanating from the foot or any exposed part of the skin like the head and hands. 

It has now been discovered that gaseous ozone effectively kills bacteria and reduces or eliminates odors emanating from humans as well as odors contained in clothing worn by hunters. The advantages of ozone over other known masking and descenting methods include the facts that: ozone is a gas that eliminates odors emanating from a person such as a hunter and from personal equipment and can eliminate odors in a space between a person and an animal; and ozone is completely natural to the environment and leaves behind a very pleasant clean smell that wildlife and humans readily recognize, such as after a lightning storm.

Known ozone generators include electrical discharge, UV light, and combinations thereof. The generator may be battery operated, operated with a car adaptor, and/or may be operated with AC current. The AC current may be supplied directly from an electrical outlet, or may be supplied using a portable generator. 

Ozone is well known to treat odorous air, microorganisms, bacteria, mold, smoke, aromatic hydrocarbons, and volatile organic compounds  Ozone is often used to descent hunters’ clothing and other personal effects to be worn or carried on a hunting trip. In this case, the hunter, the clothing or personal effects are placed in a container, a portable enclosure, or a special descenting closet or room located, e.g., in a lodge or cabin in which the hunter is staying.

As soon as the hunter leaves the building and enters a vehicle, or passes a moving vehicle, or begins to sweat, any prior descenting is of little value. 

Animals have an acute sense of smell and are capable of recognizing a human scent or any other scent that is not advantageous in that environment at long distances. To avoid such recognition a hunter will attempt to stay down wind of the animal being hunted. Certain known methods used by hunters to trick animals are to mask the human odor utilizing a carbon spray or cover spray scents or an animal scent. Unfortunately the animal scents which are utilized, are obnoxious and linger on the clothing for long periods of time and often do not mask out human scents. Some of the scents utilized include animal urine. A hunter who is camping overnight does not desire the animal scents to be carried over to bedtime, home or car.

There are other drawbacks in utilizing animal scents or any other scents. The scent may attract a predator of the game which the hunter is not hunting for which the hunter may not be prepared to encounter. Containers containing food, beverages, or any other substance emit scents readily recognizable to animals that may not be masked by animal scents or may not be natural to a given environment. Female hikers, campers, hunters, etc. can emit a readily recognizable scent to animals from menstruation that may not be masked by animal scents. Also, the weapon used by the hunter has an odor recognizable by some animals which cannot be disguised with a scent. 

Fishermen have the problem of fish odor on their hands and clothes which is difficult to remove. For fishermen camping overnight the fish odor is not only undesirable because of the odor but can also attract animals such as bears which the fishermen is not prepared to meet. 

Hunters have prepared their clothing before hand by washing to remove prior scents and/or human odor. The washing materials may also leave an odor. However, out in the field the hunter can sweat and permeate the clothing with a human scent. It would be desirable to deodorize clothing during a hunt or while on a fishing trip. 

Elrod’s invention, in certain aspects, is directed to systems and methods which use gaseous ozone to kill bacteria and reduce or eliminate odors emanating from humans, e.g. in breath or from skin, as well as odors in clothing worn by a person that are volatilized into the air space between the human and the wildlife to prevent wildlife from detecting the presence of humans and/or to enhance encounters with and the attraction of wildlife. One embodiment is directed to wearing or carrying a portable ozone generator while walking, waiting for, or engaging in attracting wildlife. Another embodiment is directed to wearing or carrying a portable ozone generator while engaging in an activity such as walking, waiting for wildlife, or engaging in preventing wildlife from detecting the presence of humans.

Another embodiment is directed to clothing incorporating or combined with ozone directing apparatus or devices. Yet another embodiment is directed to the treatment of clothing--e.g. directly with ozone, prior to or while being worn--to enhance the attraction of wildlife. Yet another embodiment is directed to the use of gaseous ozone in or around a tent, site, or blind to reduce or eliminate odors to enhance the attraction of wildlife, for example, for hunters, wildlife enthusiasts and wildlife photographers. Yet another embodiment is directed to the use of gaseous ozone in or around a tent, site, or blind to reduce or eliminate odors to prevent the detection of humans by wildlife, e.g., for hunters, wildlife enthusiasts, and wildlife photographers. 

The invention relates to a method for deodorizing the clothing and apparatus of sportsmen, professional or non professional. More particularly, there are provided methods for reducing or eliminating human scent or any other foreign scent from clothing etc.; and there are provided methods for removing human scent or any other foreign scent (collectively "foreign scents") from items and/or clothing, e.g. clothing used by hunters before or during a hunt--through the use of ozone or hydroxyl and hydroperoxide ions produced by ionization in a manner that would not cause irritation or injury to the user or equipment. Also, there is provided a method for removing fish odor from fishermen and their clothing and equipment while in the field including lures, tackle boxes and containers. The principal objective of the invention is the provision of a method for effectively removing human scent from clothing used by sportsmen. 

It is yet another object of the invention to provide a method for military personnel to escape detection by other humans or by scent animals (e.g., scent dogs). In certain particular aspects the present invention provides methods for reducing or eliminating human or any other foreign scent from items, e.g. from clothing and equipment, used by military personnel desiring to evade detection or capture--through the use of ozone or ozone with hydroxyl and hydroperoxide ions produced by ionization in a manner that would not cause irritation or injury to the user or equipment.