| Patent Number |
Title Of Patent |
Date Issued |
| 6524393 |
Oil absorption and reclamation methods therefrom |
February 25, 2003 |
| A method of absorbing oil or wax by contacting the oil or wax with a non-woven, woven, or knitted fabric prepared from a polyvinyl alcohol fiber. A method of recovering oil or wax contained in such a fabric using water and at a rate surprisingly faster than the rate of oil or wax rec |
| 6184427 |
Process and reactor for microwave cracking of plastic materials |
February 6, 2001 |
| A process of activated cracking of high molecular organic waste material which includes confining the organic waste material in a reactor space as a mixture with a pulverized electrically conducting material (sensitizer) and/or catalysts and/or "upgrading agents" and treating this mixtur |
| 6162852 |
Degradable polymers |
December 19, 2000 |
| A hot alkaline liquid soluble or dispersable composition made from a first polymer of an ethylene-acrylic acid copolymer having an acrylic acid portion, an ethylene-methacrylic acid copolymer having a methacrylic acid portion, or a mixture thereof, where the acrylic acid portion and the |
| 6110293 |
Oil absorption and reclamation methods |
August 29, 2000 |
| A method of absorbing oil or wax by contacting the oil or wax with a nonwoven or woven fabric prepared from a polyvinyl alcohol fiber. A method of recovering oil or wax contained in such a fabric using water and at a rate surprisingly faster than the rate of oil or wax recovery from cott |
| 6048410 |
Method of disposal of hot water soluble garments and like fabrics |
April 11, 2000 |
| A method of disposing of garments after use. The garments, linens, drapes, towels and other useful articles are provided as woven, non-woven, knitted or otherwise formed fabric of thermoplastic polyvinyl alcohol polymer fiber, the fiber being water soluble only at temperatures above |
| 6043405 |
Formulation for neutralization of formaldehyde and method of using and disposing of the same |
March 28, 2000 |
| A method and treatment composition for neutralizing formaldehdye. The treatment composition contains polyethylenimine, urea and an acid having a pH of less than 6. Treatment of formaldehyde solutions with the treatment composition results in a suspension that it easily disposable and |
| 6010444 |
Infectious waste containment system |
January 4, 2000 |
| A method for containing potentially infectious devices. The potentially infectious devices are deposited in a container which contains a monomer, a reducing agent and water. An oxidizing agent is later added to cause polymerization of the monomer to immobilize the devices, and to act as |
| 5985443 |
Method of disposing of a mop head |
November 16, 1999 |
| A mop head made from a plurality of fibers of polyvinyl alcohol that are only water soluble at temperatures above 37.degree. C., where the fibers are formed into a mop head. A disposable cleaning rag made from at least one layer of a plurality of fibers of polyvinyl alcohol that are only |
| 5972039 |
Increased absorbency and hand-feel fabrics |
October 26, 1999 |
| A method for enhancing the absorbency, hand-feel, or both of an article made from fibers having a spin finish thereon, where the spin finish decreases the hand-feel desirability and decreases the absorbency of the article. The method involves subjecting the article to corona treatment |
| 5891812 |
Liquid absorbable non-permeable fabrics and methods of making, using, and disposing thereof |
April 6, 1999 |
| An article made from a fabric layer permeable to a first liquid such as water, blood or urine. The article has one side that repels the liquid and another side which absorbs the liquid. The article can be disposed of by heating in a selected liquid, which dissolves or disperses the artic |
| 5885907 |
Method of disposal of hot water soluble garments and like fabrics |
March 23, 1999 |
| A towel, sponge and gauze made from a plurality of fibers of polyvinyl alcohol that are only water soluble at temperatures above 37.degree. C. The polyvinyl alcohol fibers have a degree of hydrolysis of at least 80% with a degree of polymerization between approximately 300 to 3000. |
| 5871679 |
Method of producing hot water soluble garments and like fabrics |
February 16, 1999 |
| A method of disposing of garments after use. The garments, linens, drapes, towels and other useful articles are provided as woven, non-woven, knitted or otherwise formed fabric of thermoplastic polyvinyl alcohol polymer fiber, the fiber being water soluble only at temperatures above |
| 5707731 |
Disposable cleaning articles |
January 13, 1998 |
| A mop head made from a plurality of fibers of polyvinyl alcohol that are only water soluble at temperatures above 37.degree. C., where the fibers are formed into a mop head. A disposable cleaning rag made from at least one layer of a plurality of fibers of polyvinyl alcohol that are only |
| 5663477 |
Hydrocarbon disposal method |
September 2, 1997 |
| A method for the disposal of a hydrocarbon. The hydrocarbon is intimately mixed with an aqueous solution. The aqueous solution includes a hydrophilic monomer, a cross-linking agent and an emulsifier. The emulsion is then solidified for disposal through the addition of reduction/oxida |
| 5620786 |
Hot water soluble towels, sponges and gauzes |
April 15, 1997 |
| Towel, sponge and gauze products composed of fibers of polyvinyl alcohol resin. The fibers are selectively soluble in aqueous solutions only above approximately 93.degree. C. Polyvinyl alcohol fibers have a degree of hydrolysis of at least 99%, are composed of no more than 1/2% sodium |
| 5578318 |
Consumable product containing absorbent composition |
November 26, 1996 |
| A method of producing an absorbent composition. A polymeric material characterized as having surface anionic reactive sites is mixed with a source of multi-valent metal ions to render the polymeric material sorbent of aqueous liquids. A dispersant is then added to form a wet slurry which |
| 5470653 |
Disposable mop heads |
November 28, 1995 |
| A mop head comprising a bundle of fibers bound together to create mop head fabric. The fibers are composed of polyvinyl alcohol which is water soluble at temperatures above approximately 93.degree. C. The polyvinyl alcohol fibers are produced by a process of dope extrusion and which |
| 5417977 |
Method of producing an absorbent composition |
May 23, 1995 |
| A method of producing an absorbent composition. A polymeric material characterized as having surface anionic reactive sites is mixed with a source of multi-valent metal ions to render the polymeric material sorbent of aqueous liquids. A dispersant is then added to form a wet slurry which |
| 5352368 |
Aldehyde treatment system |
October 4, 1994 |
| A method of converting a toxic composition containing an aldehyde to a composition which is substantially non-toxic. The aldehyde is reacted with a polymer having protic oxygen or nitrogen atoms, a polyimine or polyimine derivative, and an active aromatic to couple or react with the |
| 5317071 |
Aldehyde treatment system |
May 31, 1994 |
| A method of converting a toxic composition containing an aldehyde to a composition which is substantially non-toxic. The aldehyde is reacted with a compound having protic oxygen or nitrogen atoms and a polyimine or polyimine derivative to absorb or swell the aldehyde-containing compo |
| 5275509 |
Method of disposing of photographic fixer and developer |
January 4, 1994 |
| A method of disposing of photographic fixer and developer. The fixer and developer, preferably in equal quantities, are mixed and the mixture combined with an absorbing polymer which is substantially insoluble in the mixture of photographic fixer and developer. The polymer is capable of |
| 5268222 |
Composite fabric |
December 7, 1993 |
| A composite fabric and its method of disposal after use. Garments, linens, drapes, towels and other useful articles are provided as the composite of a reusable first component and a woven, non-woven, knitted or otherwise formed fabric of thermoplastic polyvinyl alcohol polymer as a secon |
| 5252340 |
Method of producing an absorbent composition |
October 12, 1993 |
| A method of producing an absorbent composition. A polymeric material characterized as having surface anionic reactive sites is mixed with a source of multivalent metal ions to render the polymeric material sorbent of aqueous liquids. A dispersant is then added to form a wet slurry which |
| 5207837 |
Method of disposal of hot water soluble garments and like fabrics |
May 4, 1993 |
| A method of disposing of garments after use. The garments, linens, drapes, towels and other useful articles are provided as woven, non-woven, knitted or otherwise formed fabric of thermoplastic polyvinyl alcohol polymer fiber, the fiber being water soluble only at temperatures above |
| 5181966 |
Hot water soluble packaging materials |
January 26, 1993 |
| A water soluble package and its method of disposal. The package is provided with thermoplastic polymer side walls which are capable of dissolving in water and aqueous solutions only at temperatures above approximately 37.degree. C. |
