William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7371793 | Nanocomposite comprising stabilization functionalized thermoplastic polyolefins This invention relates to nanocomposites comprising organo-clay and at least one stabilization functionalized thermoplastic polyolefin. Preferably the stabilization functionalized thermoplastic polyolefin is represented by the formula: T-(R1G) | 05/13/2008 |
| 7294664 | Elastomeric blend for air barriers comprising grafted resin components A composition suitable for an air barrier such as an automotive tire innertube, innerliner, and aircraft tire innertube or innerliner, curing bladders, and other pneumatic devices is disclosed. The composition comprises an elastomer, a processing oil, and a grafted ... | 11/13/2007 |
| 7119138 | Barrier coating of a mixture of cured and uncured elastomeric polymers and a dispersed layered filler in a liquid carrier and coated articles Barrier coating mixtures include (a) a mixture of pre-vulcanized and non-vulcanized elastomeric polymers; (b) an acid or base treated dispersed, substantially exfoliated silicate filler material that has not been functionalized with organic cations having an aspect ... | 10/10/2006 |
| 7078453 | Barrier coating of a non-butyl elastomer and a dispersed layered filler in a liquid carrier and coated articles Barrier coating mixtures include (a) a non-butyl elastomeric polymer; (b) an acid or base treated dispersed, substantially exfoliated silicate filler material that has not been functionalized with organic cations having an aspect ratio greater than 25; and (c) at le... | 07/18/2006 |
| 6962181 | Pneumatic tire having built-in sealant layer and preparation thereof This invention relates to a pneumatic tire having a built-in sealant layer and its preparation. The sealant layer precursor is a layer of a butyl rubber based composition which contains an organoperoxide. The butyl rubber of said precursor is a copolymer of isobutyl... | 11/08/2005 |
| 6105642 | Protective liner for bicycle tires Protective liner for bicycle or motorcycle tires with a flexible, extruded U shaped length of PVC foam that conforms to the inner diameter of a conventional bicycle tire, a method of curving the U shaped extruded foam liner so that it takes on the diamete... | 08/22/2000 |
| 5795414 | Puncture resistant tire assembly A tire assembly (10) is provided for a pneumatic tire that gives a puncture resistant capability. The tire assembly (10) includes an inner tube (24) with an outer periphery (30) having a plurality of protruding deflectable structures (32) which are circum... | 08/18/1998 |
| 5785779 | Protective tire liner for a bicycle and related methods A protective tire liner is positioned between the bicycle inner tube and the bicycle outer tire of a bicycle wheel. The tire liner includes a puncture-resistant flexible strip to protect the inner tube from puncture damage, and at least one covering layer... | 07/28/1998 |
| 5665183 | Tire inner-liners comprising a solid rubber and a complex of a reactive rubber and layered silicate clay A tire inner-liner, comprising a solid rubber and a complex, said complex comprising a reactive rubber and a layered silicate clay uniformly dispersed therein. The complex comprising the clays significantly improve the low air permeability of the tire inn... | 09/09/1997 |
| 4347884 | Tire liner and method of preparation An improved tire liner composed of high temperature and pressure (HPT) molded and vulcanized rubber with a cross-section having two opposite long sides and two opposite short sides is described. One long side of the liner to be positioned across the U-sha... | 09/07/1982 |
| 4262719 | Tire liner and method of preparation An improved annular shaped tire liner which is adapted to fit inside of, around and in contact with a casing of a pneumatic tire and in compression by the casing and a method for preparing the tire liner is described. The liner has a thickness which provi... | 04/21/1981 |
| 4263074 | Tire liner and method of preparation An improved annular shaped tire liner which is adapted to fit inside of, around and in contact with a casing of a pneumatic tire and in compression by the casing and a method for preparing the tire liner is described. The liner has a thickness which provi... | 04/21/1981 |
| 4256857 | Halobutyl of improved green strength Bromobutyl rubber compounds of improved green strength are prepared by reacting bromobutyl rubber with selected amine compounds such that not less than about 1/100th and not more than 1/12th of the bromine in the bromobutyl is reacted with the amine compo... | 03/17/1981 |
| 3982577 | Tube guard The present invention relates to a tube guard for protecting inner tubes of relatively thin tires. The tube guard is comprised of a unitary annular guard member molded from a solid flexible synthetic polymeric material having a high Shore hardness. The gu... | 09/28/1976 |
| 3935892 | Pneumatic tired wheel A pneumatic tired wheel having excellent highspeed performance after puncture comprises a tubeless tire, a bead stopper and a rim. The tubeless tire comprises a pair of elastic reinforcements having a Shore A hardness of at least 47, the bead stopper comp... | 02/03/1976 |