U.S. patents available from 1976 to present.
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Patent No. 5500234

Crispy Chip Sandwich and Process of Producing a Sandwich Product

A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.

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Class 501/76 - And zinc


Subclass of Class 501 - Compositions: ceramic
Definition: Compositions additionally containing zinc or a zinc compound.
No. of patents: 153
Last issue date: 02/05/2008


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NumberTitleIssue Date
4120732Optical glass
An optical glass consisting essentially of a B2 O3 --La2 O3 --Gd2 O3 --WO3 --ZrO2 and/or Ta2 O5 system has high refractive and low dispersive characte...
10/17/1978
4115132Sealing composition
A sealing composition which can be suitably used for sealing a panel and a funnel of a color television tube is disclosed. The composition consists essentially of 60 - 99 wt.% of low melting devitrifiable glass powder, 1 - 35 wt.% of lead titanate powder ...
09/19/1978
4099977Sealing glass vehicle and composition and method for making same
A sealing glass and a sealing glass paste for sealing the face plate and funnel portion of a color television tube wherein PbO-containing sealing glass frit contains from an effective amount of a powder, such as Pb3 O4 powder, which ...
07/11/1978
4098611Sealing glass vehicle and composition and method for making same
A sealing glass and a sealing glass paste for sealing the face plate and funnel portion of a color television tube wherein PbO-containing sealing glass frit contains from an effective amount of a powder, such as Pb3 O4 powder, which ...
07/04/1978
4097296Low-temperature devitrifiable sealing composition
A devitrifiable sealing composition which provides a strong devitrified seal with color television picture tube glass at reduced sealing temperatures, and which is thermally compatible with such glass during sealing and subsequent tube processing, is desc...
06/27/1978
4076543Glass for encapsulation of diodes
This invention is concerned with the production of glasses especially suitable for the encapsulation of semiconductor devices and, in particular, for the encapsulation of germanium and silicon diodes. The glasses have a low softening point, i.e., less tha...
02/28/1978
4073657Glass for semiconductors
An insulating or passivation glass consisting of 36 to 40 volume percent zircon and the balance is a base glass consisting essentially of 2 to 6 percent-SiO2, 70 to 75 percent-PbO 5 to 9 percent-ZnO, 0 to 4 percent-BaO, 2 to 5 percent-CdO, 0 to...
02/14/1978
4071881Dielectric compositions of magnesium titanate and devices thereof
Dielectricpowder compositions of magnesium titanate plus a glass, useful for forming dielectric layers in multilayer electrode/dielectric structures on an alumina substrate. Also, dispersions of such compositions in a vehicle and the resultant multilayer ...
01/31/1978
4066426Method of forming a glass-reacted-ceramic with cadmium
A method for forming a cadmium-containing glass-reacted-ceramic body is described. This material is advantageously employed as the dielectric material in a capacitor. The method comprises mixing a barium-titanate alkaline-earth-metal-zirconate powder with...
01/03/1978
4066464Optical glasses with improved varying partial dispersion in the optical positional range of lanthanum crown glasses and lanthanum flint glasses
Optical, fluorine containing barium borosilicate glasses having an improved varying partial dispersion in the optical positional range of lanthanum crown and lanthanum flint glasses wherein the ratio of SiO2 with respect to SiO2 and ...
01/03/1978
4058387Simultaneously baking and sealing a faceplate assembly
A sealing glass composition comprises a PbO-containing glass frit, two particulate refractory fillers having controlled particle size distributions, and optionally at least one additive to prevent the chemical reduction of the PbO when the frit is fired i...
11/15/1977
4038091Sealing glass vehicle and composition and method for making same
A sealing glass and a sealing glass paste for sealing the face plate and funnel portion of a color television tube wherein PbO-containing sealing glass frit contains from an effective amount of a powder, such as Pb3 O4 powder, which ...
07/26/1977
4026714Phosphate glass compositions
A glass having a good combination of anti-misting properties and durability to water is produced from an inorganic glass composition comprising: A. P2 O5 -- 52 to 72 mole % B. one or more oxides selected from B2 O3, SiO
05/31/1977
4018717Arc suppression in a cathode ray tube
Internal arcing in a cathode ray tube is substantially prevented by coating a portion of the interior of the funnel and neck of the tube with an electrically conductive composition, and coating a portion of the interior of the funnel and neck of the tube ...
04/19/1977
4011060Method of controlling the softening point of solder glass
A process for controlling the softening point and for providing a preselected softening point of solder glass which comprises bubbling oxygen-containing gas through a homogeneous melt of a solder glass containing copper oxide at a temperature and oxygen p...
03/08/1977
4006028Sealing glass compositions and pastes and use thereof
A sealing glass composition comprises a PbO-containing glass frit, two particulate refractory fillers having controlled particle size distributions, and optionally at least one additive to prevent the chemical reduction of the PbO when the frit is fired i...
02/01/1977
4004936Low temperature sealed glass compositions and process for their preparation
Low temperature, vitreous-crystalline seal glass compositions and a process for their preparation are described. The composition consists essentially of the following constituents in percent by weight:...
01/25/1977
4002799Glass sealed products
Sealed semiconductor packages and the like and a method of making them are described. The sealant compositions employed are mixtures of finely divided solder glass and an oxygen containing zinc material. The solder glasses are either lead-boron glasses or...
01/11/1977
3999996Compatible near-portion phototropic glass
Glass as near-portion material for fusion with known phototropic far-portion glasses for multifocal spectacle lenses has a linear thermal expansion coefficient between 45 and 58 × 10-.sup.7 /° C, a refractive index of nd ࣙ1.60, a...
12/28/1976
3988697Glass laser discs with annular alkali lead borate coatings and uses thereof
A laser assembly that includes a novel glass laser disc having an annular alkali lead borate glass coating for use in the assembly is disclosed. The annular coating has an index of refraction that is about 3 to 12% greater than the index of refraction of ...
10/26/1976
3982918Process for preparing a copper containing sealing glass
A copper oxide containing seal glass is formed by a controlled low temperature process which reduces the formation of seeds in the glass. In one embodiment the glass is prepared in two portions with the first portion containing the high melting oxides and...
09/28/1976
3973975PbO-containing sealing glass with higher oxide of a cation to avoid PbO reduction
A sealing glass and a sealing glass paste for sealing the face plate and funnel portion of a color television tube wherein PbO-containing sealing glass frit contains an effective amount of a powder, such as Pb3 O4 powder, which powde...
08/10/1976
3966449Sealing glass composition and process
A low temperature glass frit seal composition and process employs a paste including particulate lead glass, an organic vehicle, and small amounts of finely divided TiO2. The TiO2 prevents attack by residual organic vehicle on the lea...
06/29/1976
3964920Solder glass composition and method of using same for encapsulating devices
A method for sealing two ceramic pieces, a lead frame and a semiconductor chip together involving the application of pressure to a layer of sealing glass composition which remains vitreous throughout the sealing process is disclosed. The sealing glass com...
06/22/1976
3964918Barium borosilicate optical glasses
A dense barium borosilicate glass is disclosed having a refractive index greater than 1.64 and a dispersive index of at least 53, together with a high degree of chemical durability such that optical blanks molded from the glass can be finished on automati...
06/22/1976
3959543Non-linear resistance surge arrester disc collar and glass composition thereof
A zinc oxide compound non-linear resistance surge arrester disc is provided with a glass anti-flashover collar having a relatively low fusing temperature and a relatively low coefficient of thermal expansion. The glass comprises the following constituents...
05/25/1976
3958999Optical glass
A thorium oxide-free B2 O3 --La2 O3 --Gd2 O3 --Ta2 O5 system optical glass is improved in stability to devitrification and in optical constants by introducing at least one ...
05/25/1976
3954486Solder glass with refractory filler
Disclosed is a physical blend of particulate lead borate sealing glass and particulate refractory filler for use in forming thermal fusion seals for workpieces having a lower coefficient of thermal expansion than the sealing glass. The particulate refract...
05/04/1976
3951669Fusion seals and sealing compositions for their production
This invention relates to sealing mixtures consisting essentially of a sealing glass having a low sealing temperature and a high coefficient of thermal expansion, and a glass-ceramic additive that imparts a lower effective coefficient of expansion to the ...
04/20/1976
3950174Electrically insulating coating glass
An electrically isulating coating glass suitable for fusing or coating an electroconductive material in multi-layer circuits which contains the following components:...
04/13/1976
3947279Thermally crystallizable glasses possessing precision controlled crystallization and flow properties and process of producing same
A thermally crystallizable glass of predominantly lead-zinc borate composition is disclosed which is composed of a homogeneous admixture of finely comminuted particles of thermally crystallizable glass and essentially fully crystallized glass particles in...
03/30/1976
3946128Laser assemblies using glass discs with lead borate coatings
A laser assembly and a novel glass laser disc having an annular lead borate glass coating for use in the assembly is disclosed, the annular coating being capable of absorbing energy at a wavelength of 1.06 microns to thereby absorb parasitic oscillations....
03/23/1976
3942993Method of sealing adjoining parts of an evacuated vessel with solder glass
Parts of an evacuated glass vessel are joined by a noncrystallizing solder glass having a coefficient of thermal expansion which is higher than that of the surfaces to be sealed and which contains particles of glass which reduces the coefficient of therma...
03/09/1976
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