The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5994685 | Treatments for microwave popcorn packaging and products In one form of the invention, a microwave popcorn package is provided. The package generally comprises a sheet construction of flexible paper folded in the form of an expandable bag. The sheet construction may include one or more plies of material. In pre... | 11/30/1999 |
| 5834046 | Construction including internal closure for use in microwave cooking A construction for heating food in a microwave oven is provided. The construction includes an outer receptacle and a moisture barrier closure enclosed within the outer receptacle. Food material to be heated is enclosed within the moisture barrier closure,... | 11/10/1998 |
| 5773801 | Microwave cooking construction for popping corn A construction for container charge of popcorn to be heated in a microwave heating operation is provided. The construction generally comprises a flexible single-ply bag having a microwave interactive construction secured thereto. A variety of embodiments ... | 06/30/1998 |
| 5753895 | Microwave popcorn package with adhesive pattern A microwave popcorn package is provided. The package generally comprises plies of flexible material, such as paper, bonded or adhered to one another, with a microwave interactive construction therebetween. The laminating adhesive between the plies is appl... | 05/19/1998 |
| 5750166 | Composition and method for flavoring popcorn product A method of coating unpopped popcorn kernels for enhanced flavor impact is provided. According to one application, an aqueous-based adhesive composition is applied to unpopped popcorn kernels and a dry flavorant composition is added. Preferably, excessive... | 05/12/1998 |
| 5690853 | Treatments for microwave popcorn packaging and products In one form of the invention, a microwave popcorn package is provided. The package generally comprises a sheet construction of flexible paper folded in the form of an expandable bag. The sheet construction may include one or more plies of material. In pre... | 11/25/1997 |
| 5650084 | Microwavable bag with releasable seal arrangement to inhibit settling of bag contents; and method A folded microwavable arrangement is provided. The arrangement includes a folded bag having an interior, the bag being folded to define a portion of the interior with an upper portion and a lower edge, defined by a transverse folds in the bag. The arrange... | 07/22/1997 |
| 5585127 | Composition and method for flavoring popped popcorn A flavored, aqueous-based, adhesive composition containing no added fat or oil is sprayed onto popped popcorn, then a dry flavorant is applied, and the popcorn dried of excess moisture.... | 12/17/1996 |
| 5357086 | Microwave corn popping package A collapsed flexible, e.g., paper, bag is provided which contains a charge of unpopped popcorn. Popping of the corn can be carried out in a microwave oven with the bag supported upon a pre-erected or collapsible stand, usually about 2 cm high, attached to... | 10/18/1994 |
| 5338911 | Microwave susceptor with attenuator for heat control A thermocompensating susceptor is described comprising a microwave transparent sheet, e.g. paper, paperboard or plastic, having a layer thereon of a dried dispersion comprising a film forming vehicle together with two kinds of dispersed particles includin... | 08/16/1994 |
| 5334820 | Microwave food heating package with accordion pleats A microwave food heating package for food pieces such as french fried potatoes or fish sticks is described. The package includes one or more susceptor sheets folded in alternately opposite directions to provide accordion folds therein which define V-shape... | 08/02/1994 |
| 5317118 | Package with microwave induced insulation chambers The present invention provides an insulating microwave heating package with a multiplicity of latent, uninflated or potential insulation chambers capable of inflating when exposed to microwave energy. The package includes at least two superimposed inner a... | 05/31/1994 |
| 5302790 | Microwave popcorn popping bag For popping popcorn in a microwave oven, a flexible bag is provided which contains popcorn and includes a collapsible stand. The bag has upper and lower opposing face panels connected together by longitudinally extending, centrally projecting gussets that... | 04/12/1994 |
| 5285040 | Microwave susceptor with separate attenuator for heat control A thermocompensated susceptor laminate is described comprising a microwave transparent sheet, e.g., paper, paperboard or plastic, having two layers thereon. One layer is a microwave interactive susceptor layer, e.g., a dried dispersion comprising a film-f... | 02/08/1994 |
| 5211983 | De-vitalized seed product A devitalized popcorn seed product, exhibiting substantially the same popping performance as nondevitalized seed, which has a moisture content from about 12% to about 16%, and which is essentially free of non-inert treatment gases, and is essentially unal... | 05/18/1993 |
| 5195829 | Flat bottomed stand-up microwave corn popping bag A package is described comprising a bag with a pair of opposing face panels joined by longitudinally extending centrally projecting gussets. The bottom of the bag has a strong permanent seal containing a stiffening member or stay. The top has a rupturable... | 03/23/1993 |
| 5177995 | Analysis of migration of a volatile substance during heating with microwave energy A quantitative determination of the identity, origin and migration of a volatile substance or mixture of substances, arising from food or food packaging during heating using microwave energy, can be accomplished. A novel process and equipment are disclose... | 01/12/1993 |
| 5175404 | Microwave receptive heating sheets and packages containing them A food heating package for elongated products such as french fries and fish sticks which includes partitions formed from microwave energy absorbing material adapted to crisp, toast or brown the surfaces of the foods sticks. The partitions preferably enclo... | 12/29/1992 |
| 5175031 | Laminated sheets for microwave heating A coated laminate is described comprising a microwave transparent supporting sheet or substrate such as paper, paperboard or plastic upon which is printed a susceptor lamina comprising a cured dispersion of an organic printing ink vehicle matrix in which ... | 12/29/1992 |
| 5149396 | Susceptor for microwave heating and method A selectively demetallized metal film is provided in which the metal film has different amounts of metal removed in different areas to provide a film having a graduated optical density from one area to another. The amount of metal present in the film can ... | 09/22/1992 |
| 5096723 | Microwave food heating package with serving tray A food heating and serving package for elongated food products or food sticks such as french fries, fish sticks, waffle sticks and the like is described which includes an inner sleeve portion and an outer tray portion telescopically mounted over the sleev... | 03/17/1992 |
| 5097107 | Microwave corn popping package having flexible and expandable cover The invention provides a package for popping popcorn in a microwave oven including an open-topped wide mouth container in the form of a tub or bowl formed from self-supporting, i.e. stiff, microwave transparent sheet material such as stiff paper or paperb... | 03/17/1992 |
| 5084601 | Microwave receptive heating sheets and packages containing them A food heating package for elongated products such as french fries and fish sticks which includes partitions formed from microwave energy absorbing material adapted to crisp, toast or brown the surfaces of the foods sticks. The partitions preferably enclo... | 01/28/1992 |
| 5081330 | Package with microwave induced insulation chambers The present invention provides an insulating microwave heating package with at least one and preferably a multiplicity of latent, uninflated or potential insulation chambers capable of inflating when exposed to microwave energy. The package includes at le... | 01/14/1992 |
| 5079083 | Coated microwave heating sheet A coated sheet material is provided for wrapping, packaging or shipping food articles that are to be heated in a microwave oven. The sheet is formed from a paper or paperboard backing which is thermally and dimensionally stable when exposed to microwave e... | 01/07/1992 |
| 5059279 | Susceptor for microwave heating A selectively demetallized metal film is provided in which the metal film has different amounts of metal removed in different areas to provide a film having a graduated optical density from one area to another. The amount of metal present in the film can ... | 10/22/1991 |
| 5044777 | Flat-faced package for improving the microwave popping of corn A package is described comprising a bag with a pair of face D joined by longitudinally extending centrally projecting gussets. The bottom of the bag has a strong permanent seal and the top has a rupturable seal formed from thermoplastic adhesive that allo... | 09/03/1991 |
| 5034234 | Microwave heating and serving package A food heating and serving package for elongated food products such as french fries and fish sticks is described which includes partitions formed from microwave energy absorbing material positioned in parallel relationship to define a honeycomb-like array... | 07/23/1991 |
| 5008024 | Microwave corn popping package A package for popping popcorn in a microwave oven includes an open-topped container in the form of a tub formed from self-supporting microwave transparent sheet material such as stiff paper or paperboard. The tube includes an upstanding side wall terminat... | 04/16/1991 |
| 4978555 | Method for de-vitalizing seed A method for devitalizing a seed product, using inert gas and heat without substantial loss of said product quality is provided. The method is especially useful for devitalizing corn seed used for popcorn, without loss of popping performance.... | 12/18/1990 |
| 4970358 | Microwave susceptor with attenuator for heat control A thermocompensating susceptor is described comprising a microwave transparent sheet, e.g. paper, paperboard or plastic, having a layer thereon of a dried dispersion comprising a film forming vehicle together with two kinds of dispersed particles includin... | 11/13/1990 |
| 4959120 | Demetallization of metal films A selectively demetallized metal film is provided in which the metal film has different amounts of metal removed in different areas to provide a film having a graduated optical density from one area to another. The amount of metal present in the film can ... | 09/25/1990 |
| 4943439 | Microwave receptive heating sheets and packages containing them A food heating package for elongated products such as french fries and fish sticks which includes partitions formed from microwave energy absorbing material adapted to crisp, toast or brown the surfaces of the food sticks. The partitions preferably enclos... | 07/24/1990 |
| 4878765 | Flexible packaging sheets and packages formed therefrom The invention provides a flexible packaging sheet including one or more supporting sheets and a base sheet to which is applied a microwave interactive material in the form of a coating or film. The microwave interactive material can comprise any of severa... | 11/07/1989 |
| 4735513 | Flexible packaging sheets A flexible sheet structure is described which comprises a base sheet having a microwave coupling layer, e.g. electrodeposited aluminum as an island covering a selected area of the sheet. The uncoated portions will not be heated and will not be damaged by ... | 04/05/1988 |
| 4691374 | Cooking bag with diagonal gusset seals A paper bag is described comprising a pair of face panels, one of which may be narrower than the other, joined by centrally extending gussets. The bottom and top of the bag are sealed, the bottom with a permanent seal and the top with a rupturable seal fo... | 09/01/1987 |