"Man will not fly for 50 years."
Wilbur Wright ; 1901
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 |
| 4179392 | Biodegradable hard water detergents A novel class of biodegradable detergents having improved resistance to precipitation in hard water are the water-soluble ionic salts or nonionic esters or amides of alkanoic acids which are substituted by at least one group containing an electronegative ... | 12/18/1979 |
| 4167522 | Guanidine pantoate Guanidine pantoate, which is a new salt of pantoic acid, is of use in the preparation of the optically active isomers of pantolactone and therefrom D-pantothenic acid.... | 09/11/1979 |
| 4156093 | Process for increasing the production or recovery yields of hemiacetal-esters of glyoxylic acid The process comprises the hot treatment at a temperature of 80° to 160° C. by an amount of 5 to 50% of 85% of phosphoric acid, of the residues resulting from the distillation of reaction media containing hemiacetal-esters under substantially anhydrous c... | 05/22/1979 |
| 4144226 | Polymeric acetal carboxylates Ether and acetal carboxylates useful as detergent builders to replace sodium tripolyphosphate (STP) in detergent formulations are known to the art. According to the present invention, new and novel polymeric acetal carboxylates are provided which are stab... | 03/13/1979 |
| 4098818 | Process for making carboxyalkylated alkyl polyether surfactants with narrow polyethoxy chain distribution Improved process for making carboxyalkylated alkyl polyether surfactants with narrow polyethoxy chain distributions using approximately equimolar ratios of alcohol and alkali metal or alkali metal hydride catalyst. The products are useful in making improv... | 07/04/1978 |
| 4092356 | 11,12-Secoprostaglandins This invention relates to 11,12-secoprostaglandins and processes for their manufacture. These compounds have prostaglandin-like biological activity and are particularly useful as renal vasodilators, for the treatment of hypertension, for the prevention of... | 05/30/1978 |
| 4070480 | Hydroxy acids The invention concerns novel racemic and optically active mono- and di-hydroxy alkanoic acids bearing phenyl and/or alkyl substituents, processes for their preparation, and pharmaceutical compositions for therapeutic use in the treatment of duodenal or ga... | 01/24/1978 |
| 4067962 | Oral compositions containing trifluoromethyl phenyl bis-biguanides as antiplaque agents Oral compositions such as toothpastes, mouthwashes, and the like containing certain trifluoromethylphenyl bis-biguanides having excellent antiplaque performance and reduced tendency to stain the teeth.... | 01/10/1978 |
| 4024183 | Antiviral guanidino-urlido-benzene compounds The disclosure relates to novel aromatic compounds which possess antiviral activity, to processes for their manufacture and to a method of selectively inhibiting rhinovirus growth in the presence of other viruses.... | 05/17/1977 |
| 4022962 | Carbamylguanidine antimicrobial compounds Antimicrobial compounds are disclosed having the formula: wherein B is carbamylguaidino, or thiocarbamylguanidino and B' is B or biguanidino provided that B' is biguanidino only when B is carbamylguanidino bonded to Y through the guanidino portion of the group... | 05/10/1977 |
| 4014902 | Intermediate in the process for the preparation of trans-Ɗ9 -isoambrettolide A process is described for producing trans-Ɗ9 -isoambrettolide from aleuritic acid in three reaction steps; first forming a dioxolane by treatment with an excess amount of an orthoformate or a dialkyl formamide dialkyl acetal; then forming the... | 03/29/1977 |
| 3998878 | Selectively separating oxalic, tartaric, glyoxylic and erythronic acids from aqueous solutions containing the same Mixtures of oxalic, meso tartaric, glyoxylic and erythronic acids derived particularly from the oxidation of cellulose derivatives are separated from aqueous solutions in which they are contained and from each other by stepwise precipitation with calcium ... | 12/21/1976 |
| 3992443 | Process for the carboxymethylation of alcohols or ether alcohols Alcohols, preferably ethoxylated alcohols, are carboxymethylated by reacting a mixture thereof and a salt of chloroacetic acid with an alkali hydroxide.... | 11/16/1976 |
| 3983171 | Anionic surface active compositions An anionic compound having surface-active properties and responding to the formula ##EQU1## in which R is selected from the group consisting of alkyl and alkenyl radicals having 8 to 22 carbon atoms and alkyl-aryl radicals having 12 to 22 carbon... | 09/28/1976 |
| 3970692 | Process for the preparation of prostaglandin F2.sub. and the analogs thereof Prostaglandin F2.sub. and analogs thereof of the formula ##SPC1## Wherein one of R1 and R2 is hydroxy and the other is H or CH3, R3 is the remainder of the lower side chain and X is the remain... | 07/20/1976 |
| 3959460 | Cosmetic compositions containing anionic surface active agent containing mono- or polyhydroxylated mono- or poly ether chains and a terminal acid group A cosmetic composition comprises an aqueous solution of an anionic surface active agent selected from the group consisting of (a) a surface active agent of the formula ##EQU1## wherein R is selected from the group consisting of alkyl and alkenyl, eac... | 05/25/1976 |
| 3954871 | 1-(4-Alkylthiopheny)-2-substituted amino-alcohols and their salts The new amino-alcohols according to the invention are represented by the formula ##SPC1## Wherein: R1 represents a RS, RSO or RSO2 group in which R is a linear or branched alkyl group (C1 -C10), an acetyl radica... | 05/04/1976 |
| 3946032 | Acetal derivatives of 6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine-1-carboxaldehyde Compounds of the class of acetals of 6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine-1-carboxaldehyde and the 5-oxides and pharmaceutically acceptable acid addition salts thereof have valuable pharmacological properties, in particular anticonvulsant ... | 03/23/1976 |
| 3941710 | Phosphate - free dishwashing compositions containing an alkyl polyether carboxylate surfactant Low phosphate and phosphate-free automatic dishwashing compositions containing a unique surfactant system comprising an anionic polyether carboxylate surface active agent in combination with a low-sudsing nonionic surface active agent, an active chlorine ... | 03/02/1976 |
| 3936571 | Adhesive tape An adhesive tape that tenaciously adheres to the surface of films, paper, wood, plastic, metal, stone and the like, by simply pressing it thereon, and that can easily be removed with water or aqueous alkaline solutions, comprises a support and an adhesive... | 02/03/1976 |