Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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 |
| 5187075 | Cloning and expression of a variant gene of platelet factor 4 and compositions thereof to modulate immune responses The present invention provides for the purification from native sources or the cloning and expression of a variant form of platelet factor 4 and also provides recombinant DNA vectors and methods for the expression and recovery of the platelet factor 4 var... | 02/16/1993 |
| 4657576 | Granular fertilizer composition having controlled release and process for the preparation thereof Fertilizer composition in granular form having a regulated release of water-soluble fertilizer agents such as nitrogen, phosphorous, and potassium compounds. Each granule has a core comprising fertilizer substances having a known pH value, and a coating e... | 04/14/1987 |
| 4332830 | Sweetening with stevioside analogs Analogs of the glycoside stevioside are disclosed. These materials have the formula ##STR1## wherein R1 and R2 are as follows: and M+ is a physiologically acceptable alkali metal cation.... | 06/01/1982 |
| 4309543 | Process for preparing cyclic amides A process for preparing cyclic amides from an optionally substituted acetic acid and an aromatic aminocarbonyl compound is disclosed. The process employs a promoter comprising tetravalent titanium or silicon and a pyridine compound to effect formation of ... | 01/05/1982 |
| 4290957 | Flavonone precursors for alpha amino acid dihydrochalcones Dihydrochalcones of the formula ##STR1## are disclosed wherein X is H or OH and R is a lower alkyl. These materials are useful as sweeteners for edibles. A process for preparing these compounds using a novel intermediate is disclosed as are acid and ... | 09/22/1981 |
| 4290975 | N-Sulfonyl amine-mediated sulfamation of amines Primary amines are selectively sulfamated by the two-step process of: A. Contacting the amine in liquid phase at low to moderate temperatures with catechol sulfate thereby forming a catechol sulfate addition product, and B. Hydrolyzing the catechol sulfate add... | 09/22/1981 |
| 4283434 | Sulfamo dihydrochalcone sweeteners Sulfamo dihydrochalcones of the formula ##STR1## are disclosed wherein M+ is a physiologically acceptable cation, X is H or OH, and R is a lower alkyl. These materials are useful as sweeteners for edibles. They may be prepared by sulfonati... | 08/11/1981 |
| 4279662 | Polymeric red colors Polymeric red colors having the structure ##STR1## wherein R1 and R2 are independently selected from among hydrogen, halos, lower alkyls, lower alkoxies, nitros, and sulfonates, R3 is selected from hydrogens, alkyls a... | 07/21/1981 |
| 4267165 | Comestibles sweetened with alpha amino acid dihydrochalcones Dihydrochalcones of the formula ##STR1## are disclosed wherein X is H or OH and R is a lower alkyl. These materials are useful as sweeteners for edibles. A process for preparing these compounds using a novel intermediate is disclosed as are acid and ... | 05/12/1981 |
| 4260714 | Acetamidoethylene copolymers Copolymers of acetamidoethylene are disclosed. These materials have randomly distributed units represented by the formula ##STR1## wherein R is one or more radicals selected from the group ##STR2## and the C1 to C6 carboxyl... | 04/07/1981 |
| 4258189 | Process for preparing orange polymeric colorants A process for preparing a family of orange polymeric colorants having a plurality of units of the chromophore ##STR1## is disclosed. R1 and R2 are hydrogens, lower alkyls or alkoxies, nitros, halos or sulfonates, R3 i... | 03/24/1981 |
| 4255548 | Ethylene-vinylamine copolymers Copolymers of ethylene and vinylamine are disclosed as are methods for their production. The disclosed copolymers find application primarily as flocculants.... | 03/10/1981 |
| 4249007 | Anthraquinone colorants Red colors having the anthraquinone structure ##STR1## are disclosed wherein R1 and R2 are independently selected from among hydrogen, halos, lower alkyls, lower alkoxies, nitros, and sulfonates, and R3 and R4 | 02/03/1981 |
| 4238579 | Vinylamine aromatic copolymers and salts thereof Vinylamine copolymers are disclosed. These copolymers have randomly distributed repeating units represented by the formula ##STR1## wherein Ar is optionally substituted phenyl, the substituents independently selected from C1 to C6 | 12/09/1980 |
| 4233328 | Edible materials colored with polymeric yellow colorant A group of water-soluble polymeric yellow colors and their preparation is disclosed. These colors comprise a plurality of units of a chromophore of the formula ##STR1## wherein M+ is a pharmaceutically acceptable monovalent cation, at... | 11/11/1980 |
| 4226804 | Alpha amino acid dihydrochalcones Dihydrochalcones of the formula ##STR1## are disclosed wherein X is H or OH and R is lower alkyl. These materials are useful as sweeteners for edibles. A process for preparing these compounds using a novel intermediate is disclosed as are acid and ba... | 10/07/1980 |
| 4225432 | Efficiency of ultrafiltration purification of solutions of polymeric colorants by inorganic base addition The ultrafiltration purification of aqueous solutions of polymeric colorants, wherein low molecular weight impurities are removed in an ultrafiltrate leaving a purified polymeric colorant-bearing retentate, is carried out with improved efficiency when dur... | 09/30/1980 |
| 4217214 | High molecular weight polyvinylamine hydrochloride as flocculant High molecular weight polyvinylamine hydrochloride for use as a flocculating agent in waste water systems is disclosed.... | 08/12/1980 |
| 4206240 | Polymeric aminoanthrapyridine orange colors Polymeric orange colors are disclosed having a noncrosslinked organic polymer backbone to which is covalently bonded a plurality of chromophores having a particular anthrapyridine structure. The colors are represented structurally as ##STR1## wh... | 06/03/1980 |
| 4205151 | Polymeric N-substituted maleimide antioxidants N-substituted maleimide polymers comprising the recurring structural units: ##STR1## wherein R and R' independently are lower alkyl groups of from 1 to 5 carbon atoms and n is an integer of from about 2 to about 2,000, are disclosed. Their preparatio... | 05/27/1980 |
| 4204007 | 4-(Dihydroxyhexoxy)dihydrochalcone sweeteners Dihydrochalcones of the formula ##STR1## are disclosed wherein M+ is a cation, X is H or OH, and R is a lower alkyl. These materials are useful as sweeteners for edibles. They may be prepared by electrophilic addition of the 3-sulfo-5,6-d... | 05/20/1980 |
| 4196294 | Orange anthrapyridine monomeric colorants and colorant precursors Orange colors having the anthrapyridine structure ##STR1## are disclosed wherein R1 and R2 are independently selected from among hydrogen, halos, lower alkyls, lower alkoxies, nitros, and sulfonates, R3 and R4 | 04/01/1980 |
| 4190716 | Polymeric agent for releasing 5-aminosalicylic acid or its salts into the gastrointestinal tract A generic polymeric agent for releasing 5-aminosalicylic acid or its salts is disclosed which comprises a nonabsorbable pharmacologically acceptable organic polymer backbone containing aromatic rings to which are covalently bonded via azo bonds a pluralit... | 02/26/1980 |
| 4185122 | Method for inhibiting the foaming of aqueous solutions containing a polymeric dye Foaming of aqueous solutions containing a polymeric dye can be inhibited by use of glycerol monooleate, glycerol dioleate and mixtures thereof.... | 01/22/1980 |
| 4182885 | Red colors Red colors having the anthraquinone structure ##STR1## are disclosed wherein R1 and R2 are independently selected from among hydrogen, halos, lower alkyls, lower alkoxies, nitros, and sulfonates, and R3 and R4 | 01/08/1980 |
| 4178422 | Ethylsulfonate-alkylamine copolymers as colorant backbones Ethylsulfonate-alkylamine copolymers are disclosed. These copolymers find special application as intermediates in the preparation of new water-soluble polymeric colorants which are also disclosed, especially water-soluble polymeric colorants for edibles.... | 12/11/1979 |
| 4176136 | Process for preparing ethylidene-bis-acetamide Ethylidene-bis-acetamide is prepared by the process of contacting a liquid mixture of acetaldehyde and acetamide with a solid cation exchange resin at a temperature of from about 10° C. to about 110° C. The ethylidene-bis-acetamide may later be converte... | 11/27/1979 |
| 4169203 | Water-soluble polymeric colorants containing anionic water-solubilizing groups Acetylation of residual primary and secondary alkyl amine groups present in the structure of polymeric colorants and the acetylated colorant products are disclosed. The acetylation is a post production step. The acetylation improves the colorants' water s... | 09/25/1979 |
| 4150038 | Conversion of hesperidin into hesperetin An improved procedure for the conversion of commercial hesperidin into high-purity, crystalline hesperetin is disclosed. This procedure comprises purifying the crude starting material by insolubles removal and precipitation, followed by cleaving the sacch... | 04/17/1979 |
| 4144252 | Water-soluble amine-linked polymeric colorants Polymeric colorants comprising a hydrocarbon backbone and attached directly thereto through amine linkages, at least one water-solubilizing group and at least one optically chromophoric group are disclosed. In a preferred embodiment, the backbone is a sat... | 03/13/1979 |
| 4138409 | Epoxysultone A new compound, denominated epoxysultone, having the structure ##STR1## is disclosed. The compound is an electrophilic addition agent of broad application which finds especial use in the preparation of new sweetener compounds. An intermediate to epox... | 02/06/1979 |
| 4127564 | Melt processing recovery of high purity polymeric antioxidants Diolefin-phenolic copolymeric antioxidants having solvent contents below 50 ppm and containing less than 0.3% of materials of molecular weight below 500 Daltons are recovered directly from a crude reaction product by removing catalyst and adjusting the re... | 11/28/1978 |
| 4113505 | Zoned coloration Viscoelastic materials are differently colored in zones with polymric dyes. When a polymeric dye is added to a zone of a viscoelastic material it does not migrate from the zone; thus permitting an essentially permanently multizoned colored product.... | 09/12/1978 |
| 4107336 | Edibles containing colorants having ethylsulfonate-alkylamine backbones Edibles which contain water-soluble polymeric colorants having an ethylsulfonate-alkylamine co-polymer backbone.... | 08/15/1978 |
| 4104196 | Nonabsorbable antioxidant method Novel, nonabsorbable antioxidants of the general formula (An)n R wherein An is a means for preventing oxidation of an oxidizable material, R is a means for essentially restricting the absorption of An in a biological environment, ~ is a means f... | 08/01/1978 |
| 4098829 | Polymeric hydroquinone antioxidant Polymeric hydroquinones of the structure ##STR1## WHEREIN N IS FROM 3 TO 10,000 INCLUSIVE AND R and R' independently are hydrogen or a lower alkyl, are disclosed, as is the preparation and the use of such materials, especially as nonabsorbable polyme... | 07/04/1978 |
| 4096134 | Ethylsulfonate-alkylamine copolymers as colorant backbones Ethylsulfonate-alkylamine copolymers are disclosed. These copolymers find special application as intermediates in the preparation of new water-soluble polymeric colorants which are also disclosed, especially water-soluble polymeric colorants for edibles.... | 06/20/1978 |
| 4088572 | Ultrafiltration purification of solution of polymeric anthraquinone colorants The ultrafiltration purification of aqueous solutions of polymeric anthraquinone colorants, wherein low molecular weight impurities are removed in an ultrafiltrate leaving a purified anthraquinone colorant-bearing retentate, is carried out with improved e... | 05/09/1978 |
| 4078091 | Polymeric N-substituted maleimide antioxidants N-substituted maleimide polymers comprising the recurring structural units: ##STR1## wherein R and R' independently are lower alkyl groups of from 1 to 5 carbon atoms and n is an integer of from about 2 to about 2,000, are disclosed. Their preparatio... | 03/07/1978 |
| 4055678 | Sweetener derivatives Dihydrochalcones of the formula ##STR1## derivatizing group, Y is a polar group, X is hydrogen or hydroxyl and R is a lower alkyl, their preparation and their use as non-sugar sweeteners are disclosed.... | 10/25/1977 |
