Famous Patents
The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
PatentStorm News
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 |
| 5795649 | Release film and method of making thereof A release film which is a polymeric film coated with a release resin which is a water soluble copolymer containing styrene is disclosed. The release film is especially suitable for receiving a layer(s) of metal for release of the metal flakes. The release... | 08/18/1998 |
| 5734325 | Alarm device An alarm device for night deposit boxes consists of a housing with a tear gas or dye-releasing alarm in a housing mountable inside the deposit box. The housing includes electrical circuitry, which is connected by a flexible conductor cable to a trigger sw... | 03/31/1998 |
| 5646212 | Polyalkylene glycol anhydroxy carboxylic acid dispersant This invention relates to novel polymeric compounds, more particularly to novel block or graft copolymers which are useful in dispersing inorganic pigments, lakes and/or toners in organic medium, to methods for preparing such copolymers, and to surfactant... | 07/08/1997 |
| 5554313 | Conditioning shampoo containing insoluble, nonvolatile silicone The present invention relates to shampoo compositions and more particularly shampoo compositions containing non-volatile silicone materials and methods of making the same. Specifically, this invention is directed to aqueous shampoo compositions comprising... | 09/10/1996 |
| 5515032 | Alarm device An anti-theft alarm to be concealed within an article likely to be stolen causes an alarm such as release of smoke, tear gas, dye. The alarm is responsive to continual motion and requires an initial motion followed by motion in each of a series of interva... | 05/07/1996 |
| 5501819 | Cementitious composition A cementitious composition containing metal-coated fibres especially metal-coated carbon fibres in an amount of 0.1 up to 5% by weight relative to the weight of the cement component of the composition. The composition can be used as a conductive layer in ... | 03/26/1996 |
| 5502161 | Method for the production of free-flowing tetrafluoroethylene polymer molding powders An improved process for preparing free flowing tetrafluoroethylene (TFE) polymer powders is disclosed in which a TFE polymer powder is (1) wetted with an aqueous solution containing a wetting agent selected from the group consisting of (a) ethylene glycol... | 03/26/1996 |
| 5468718 | Liquid, phytoactive compositions and method for their preparation A liquid phytoactive composition comprising (a) an N-phosphonomethyl-N -carboxymethyl compound; (b) one or more liquid surfactants; (c) a dispersing medium for said N-phosphonomethyl-N-carboxymethyl compound; and (d) inert adjuvants therefor.... | 11/21/1995 |
| 5410295 | Anti-theft system for currency stored in a vault An anti-theft system for an automatic teller machine (ATM) causes a currency alarm pack to deface the currency supply in the event that an attempt is made to transport the entire ATM. When the machine is moved, a localized field is momentarily activated a... | 04/25/1995 |
| 5380776 | Moldable filled polyester resin composition The present invention is directed to compositions and processes for making moldable filled polyester resin compositions comprising a liquid polyester resin; an inert filler; and a C4 -C18, alkyl, cycloalkyl, alkenyl or alkynyl phosph... | 01/10/1995 |
| 5350856 | 2-(substituted imino)-1,3,4-dihydrothiadiazoles This invention relates to a process for producing a compound of the formula ##STR1## comprising reacting a compound having the formula ##STR2## with cyanogen chloride or cyanogen bromide.... | 09/27/1994 |
| 5324751 | Cryoprotectant sorbitol crystal spherules Free-flowing formations of spherules of loose knit microcrystals of the polymorphs of sorbitol and mannitol are useful in fast-frozen food products as cryoprotectants due to their improved rate of solubility and dispersion. The free-flowing formations are... | 06/28/1994 |
| 5314865 | Certain alkylidine aminooxyamide compounds useful as herbicides Compounds having the formula ##STR1## wherein R is C1 -C6 lower alkoxy; C1 -C6 lower alkylthio; 3- to 6-membered heterocycle or substituted heterocycle; phenyl or substituted phenyl; R1 is hydrog... | 05/24/1994 |
| 5279766 | Polyester surfactant composition employing polyoxyalkylated alkylene diamine A composition is the reaction product of (1) a alkylene diamine condensate compound containing a poly(oxyalkylene)group and having at least two --OH groups; (2) a compound other than as defined in (1) which contains at least two reactive hydrogen atoms present... | 01/18/1994 |
| 5278221 | Polyester film containing minute glass spheres and fumed silica The present invention relates to films or sheets of linear polyester containing glass spheres having a certain particle size distribution and in a certain amount based upon the weight of the polyester film. The addition of the glass spheres improves sever... | 01/11/1994 |
| 5276205 | Insecticides Novel insecticides have the formula ##STR1## in which R1 is hydrogen, halogen, C1 -C4 alkyl, C1 -C4 haloalkyl, C1 -C4 alkoxy, C1 -C4 alkylthio, C1... | 01/04/1994 |
| 5270301 | Fluoro-amide derivatives The present invention relates to certain fluoro-amide derivatives, as described herein, which are human leukocyte elastase (HLE) inhibitors making them useful whenever such inhibition is desired, such as for research tools in pharmacological, diagnostic a... | 12/14/1993 |
| 5266701 | Process for production of 2-iminothiazolidines and oxazolidines Compounds having the formula ##STR1## in which R1 is optionally substituted phenyl, R2 is C1 -C4 alkyl or C1 -C4 haloalkyl and W is oxygen or sulfur are produced by reaction of a corre... | 11/30/1993 |
| 5256744 | Drying temperature independent polytetrafluoroethylene The present invention is directed to a product and method of incrementally adding comonomers to co-polytetrafluoroethylene (PTFE) by an improved process, resulting in a PTFE product independent and/or much less dependent upon drying temperatures. The impr... | 10/26/1993 |
| 5234942 | Heterocyclic amides and leucotriene antagonistic use thereof The invention provides a series of novel heterocyclic amides of the formula I in which the group A; CRa can be --CRb.dbd.CRa--, --CHRb--CHRa-- or --N.dbd.CRa--, the amidic group Re.L can be Rd.X.CO.NH, Re.X.CS.NH or Re.NH.CO attached to position 4, 5 or 6... | 08/10/1993 |
| 5194588 | Aminoalcohol intermediates for peptide derivatives The invention concerns pharmaceutically useful trifluoromethyl ketone substituted di-, tri- and tetra-peptide derivatives of the formulae Ia, Ib, Ic set out hereinafter, and salts thereof, which are inhibitors of human leukocyte elastase. Also described h... | 03/16/1993 |
| 5194661 | Substituted benzyl carbamates and their use as herbicides Substituted benzyl carbamates of the formula ##STR1## in which: R is a member selected from the group consisting of halogen, trifluoromethyl, cyano, NO2, C1 -C3 haloalkyloxy, phenoxy, pyridyloxy, and substituted pheno... | 03/16/1993 |
| 5185414 | Drying temperature independent polytetrafluoroethylene The present invention is directed to a product and method of incrementally adding comonomers to co-polytetrafluoroethylene (PTFE) by an improved process, resulting in a PTFE product independent and/or much less dependent upon drying temperatures. The impr... | 02/09/1993 |
| 5178850 | Crystalline sugar alcohol containing uniformly dispersed liquid pharmaceutical compound A pharmaceutical composition comprising a crystalline sugar alcohol derived from at least one mono- or polysaccharide having at least one liquid pharmaceutically active compound uniformly dispersed within its crystal matrix is disclosed. Also disclosed is... | 01/12/1993 |
| 5179112 | Heterocyclic amide derivatives and pharmaceutical use The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R1, R2, L, X,... | 01/12/1993 |
| 5171356 | Herbicide compositions of extended soil life Herbicidally active thiolcarbamates are employed in combination with certain thiolcarbamate, thionocarbamate, thiolcarbamate sulfone, thiolcarbamate sulfoxide, dithiocarbamate or carbamate extender compound, the latter in sufficient quantity to minimize s... | 12/15/1992 |
| 5171625 | All polyester film composite useful for credit and identification cards The present invention relates to an all polyester composite film structure having: (a) an opaque, biaxially oriented polyester support core film, (b) a clear, biaxially oriented polyester top film, and (c) a first pair of dye receptive or printable receiv... | 12/15/1992 |
| 5164371 | Heterocyclic ketones The invention provides a series of novel heterocyclic ketones of formula I ##STR1## and pharmaceutically acceptable base-addition salts thereof, in which the values of R4, L, A, X and Q have the meanings defined in the following specificat... | 11/17/1992 |
| 5158789 | Melt cocrystallized sorbitol/xylitol compositions Melt cocrystallized sorbitol/xylitol offers improved processing properties relative to blends of crystalline sorbitol and crystalline xylitol. Also disclosed are ingestible compositions, such as tablets and chewing gum, comprising melt cocrystallized sorb... | 10/27/1992 |
| 5142013 | Isocyanate reactive polymers having imino/enamine functionality An isocyanate-reactive polymer comprising the reaction product of: (a) an isocyanate-terminated polyurethane prepolymer formed by reacting a polymeric polyol having a hydroxyl equivalent weight of at least 500 with a stoichiometric excess of an organic po... | 08/25/1992 |
| 5139795 | Melt crystallized xylitol Melt crystallized xylitol possesses an agglomerated crystalline structure under a scanning electron microscope; an increased surface area relative to aqueous crystallized xylitol, of at least about 0.12 square meters per gram; and unexpected hardness valu... | 08/18/1992 |
| 5137939 | Polyester film containing minute glass spheres and fumed silica useful for microfilm The present invention relates to films or sheets of linear polyester containing glass spheres having a certain particle size distribution and in a certain amount based upon the weight of the polyester film. The addition of the glass spheres improves sever... | 08/11/1992 |
| 5132356 | Polyester film containing minute glass spheres and fumed silica The present invention relates to films or sheets of linear polyester containing glass spheres having a certain particle size distribution and in a certain amount based upon the weight of the polyester film. The addition of the glass spheres improves sever... | 07/21/1992 |
| 5112886 | Allantoin salts of quaternary nitrogen containing polymers for use in skin conditioning, cosmetic and pharmaceutical formulations Polymers having pendent cationic quaternary nitrogen containing groups form salts with allantoin which provide for a film forming moisture barrier in skin conditioning lotions, ointments, cosmetics conditioning treatments, and pharmaceutical formulations.... | 05/12/1992 |
| 5110947 | Process for the preparation of 3-carboalkoxypyrrolidones The process of the present invention provides 3-carboalkoxypyrrolidones by the cyclization of a malonate, followed by reduction with hydrogen in the presence of a noble metal catalyst. The products are useful as intermediates for pesticides.... | 05/05/1992 |
| 5098925 | Spiro-dihydroisoindole compounds The present invention relates to spiroisoindolines that are antagonists at the phencyclidine receptor of the N-methyl-D-aspartate receptor complex and which are useful when such antagonism is desired such as in the treatment of neurological disorders. The... | 03/24/1992 |
| 5095038 | Carbocyclic compounds useful as leukotriene antagonists This invention comprises novel carbocyclic compounds of formula I (wherein A, Z, R11 and R12 are defined in the specification) derived from acylsulfonamide derivatives of -carbocyclyltoluic acids wherein said compounds of form... | 03/10/1992 |
| 5093383 | Polyurethane/urea foams from isocyanate prepolymers and isocyanate reactive imino/enamino functional reactants Polyurethane/urea foams are derived from prepolymers having branched chain linked isocyanate end groups and components containing isocyanate reactive imino/enamino-functional compounds.... | 03/03/1992 |
| 5085688 | Certain 2-(2-chloro-3-alkoxy-4-substituted benzoyl)-5-methyl-5-1,3-cyclohexanediones as herbicides Herbicidal compounds of the formula ##STR1## wherein R3 is methoxy or ethoxy; and R4 is bromine, methylsulfonyl or ethylsulfonyl and their salts.... | 02/04/1992 |
| 5081308 | Ultraviolet radiation absorbing compositions of bis-1,3-diketone derivatives of cyclohexane Sunscreen compositions are described which contain certain bis-1,3-diketone derivatives of cyclohexane when incorporated in a carrier in amounts ranging from 0.1-50% by weight.... | 01/14/1992 |
