U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?

Newsletter  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.

 

Attorney: Plumley and Tyner


Number of patents: 295
Last date: September 04, 1979

1                
NumberTitleIssue Date
4166822Branched-chain alkyl amino anthraquinones
Use of the dyestuffs of the formula ##STR1## wherein R, Y and X have the meaning given in the description, for the dyeing of synthetic textiles, especially those of aromatic polyesters, by the transfer printing process. Prints obtained are distinguis...
09/04/1979
4163013Diphenylamine-azo-hydrocarbylsulfonylphenyl dyestuffs
Disperse dyestuffs of the formula ##STR1## wherein Z represents an optionally substituted hydrocarbon radical, The azo group is in the meta-position or para-position relative to the amino group of the disphenylamine and the radical --OSO2 Z is ...
07/31/1979
4163078Hydrophilic bi-component threads
The invention relates to a bi-component filament or fibre of a fibre-forming synthetic polymer having a core/sheath structure in at least one component and having a moisture absorption of at least 1.5% at 65% relative atmospheric humidity and at a tempera...
07/31/1979
4161593Process for the preparation of triazines containing a mixture of chlorine and fluorine substituents, and of cyanuric fluoride
Process for the preparation of triazines containing a mixture of chlorine and fluorine substituents, characterized in that cyanuric chloride is heated with cyanuric fluoride to temperatures from 30°-300° C. in the presence of suitable catalysts....
07/17/1979
4157616Hand tools
A hand tool of the kind comprising a pointed edge or blade, and a cover protecting the latter in the non-operative position thereof but intended to be swung away to expose the point in the operative position of the tool. Means are arranged to lock the cov...
06/12/1979
4153775Self-crosslinkable polyurethanes
Process for the production of solutions of segmented self-crosslinkable polyurethanes by incorporating in the polymer chain segments of the general formula wherein D' is the divalent residue of an organic diisocyanate; M is a diol containing residue deriv...
05/08/1979
4153596Permanently stabilized polymers produced by after-treatment with piperidine compounds
This invention relates to permanently stabilized polymers containing substituted piperidine derivatives chemically attached to the polymer molecule through O- or N-atoms. Compounds based on 2,2,6,6-tetraalkyl piperidines have now been found which, on the ...
05/08/1979
4153608Anthraquinone vat dyestuffs
Anthraquinone dyestuffs of the general formula ##STR1## wherein IN EACH OF THE TWO ANTHRAQUINONE RADICALS SUBSTITUTED BY X, one X denotes chlorine and the other denotes hydrogen and R represents hydrogen or an optionally substituted benzoylamino group, An...
05/08/1979
4152330Process for the preparation of naphthostyril
Naphthostyril is obtained in high space/time yields by reacting 1-naphthyl isocyanate with an anhydrous aluminium halide in an inert solvent, carrying out the reaction in a homogeneous solution using 700-1.800 ml of solvent per mol of 1-naphthyl isocyanat...
05/01/1979
4149366Threading method and threading devices for disc-type friction twisters
Threading procedure in the texturing method for endless filaments in false-twist texturing machines comprising disc-type twisters....
04/17/1979
4149849Process for printing and dyeing
A process for printing and dyeing textile materials consists in treating in the absence of alkali, with an epoxide of the general formula ##STR1## IN WHICH Y represents a member for the completion of a 5-membered to 7-membered ring, R1 rep...
04/17/1979
4147865Benz-(C,D)-indolyl compounds
The invention relates to compounds of the formula ##STR1## WHEREIN Z denotes OH or NR1 R2, R1 denotes hydrogen, alkyl, aralkyl, cycloalkyl or aryl, R2 denotes hydrogen or alkyl or, conjointly with R1, form...
04/03/1979
4146363Dyeing synthetic polyamides
The dyestuff of the formula ##STR1## is suitable for dyeing synthetic polyamide textile materials, in particular for combination dyeings because of its favorable uptake properties....
03/27/1979
4145870Process for the production of textured filament yarns with the appearance of staple fibre yarns
The invention is related to a process for the production of staple-fibre-like textured continuous filament yarns by interlacing and false-twisting, wherein a partly drawn filament is heat-treated before the texturing process, this filament is subsequently...
03/27/1979
4146674Fibre filling of polyester fibres
A fiber filling of polyester fibres with greatly improved serviceability properties comprising a combination of fiber properties, namely denier range, staple length and number of crimp arcs, a specific polysiloxane brightening and an antistatic agent....
03/27/1979
4145537Cationic dyestuffs
Dyestuffs of the formula ##STR1## IN WHICH R denotes hydrogen, alkyl, alkenyl, cycloalkyl, aralkyl, aryl, alkoxy, aralkoxy, aryloxy, alkylamino, aralkylamino, arylamino, acylamino, carboxylic acid ester, carbonamido, acyl, halogen or nitrile, R1...
03/20/1979
4145512Permanently stabilized polyurethanes
According to the invention there are obtained modified polyurethanes which have a durable, wash-fast, acid-resistant, cleaning-resistant and solvent-resistant stabilization on the basis of 2,2,6,6-tetraalkyl-piperidine light protective agents. The stabili...
03/20/1979
4145500Stabilization of crosslinkable polymers
The invention relates to a process for the production of a stabilized crosslinkable copolymer of acrylonitrile which comprises copolymerizing at least 65% by weight of acrylonitrile with from 0.1 to 3% by weight of an N-methylol acyl ester of an ethylenic...
03/20/1979
4145342Nitro-diphenylamino-azo-phenyl dyestuffs containing a polyalkyeneoxy group
Disperse dyestuffs of the formula ##STR1## wherein Q1 and Q2 are hydrogen or the group V-(A-O)n Z, but do not at the same time represent hydrogen, A -- denotes an alkylene group, V -- denotes a direct bond or a bridge memb...
03/20/1979
4145520Process for the continuous polymerization of lactams with static mixers
The invention relates to a process for the continuous polymerization of caprolactam in a reactor, wherein a reactor in which the first 60% of the reactor volume is equipped if possible completely but at least to one-third with static mixing installations ...
03/20/1979
4144319Method of inhibiting skin irritation
A method of inhibiting or reducing the irritation of skin resulting from allergic contact dermatitis, caused by contact with natural or synthetic allergenic agents, e. g. poison ivy, and dinitrochlorobenzene, respectively, is described. The method compris...
03/13/1979
41442433-Pyrozolyl-4-triazolyl compounds
Coumarine compounds of the formula ##STR1## IN WHICH R1 and R2 denote hydrogen, alkyl, cycloalkyl, aralkyl, aryl, nitrile, carboxyl, carboxylic acid ester or carboxylic acid amide groups, or together form a nonaromatic 5-membere...
03/13/1979
4143817Automatic fireplace heating system
An automatically controlled residential heating system based on the heat from a fireplace comprising the normal fireplace, hearth, combustion zone, flue, and damper; the flue being divided into two parallel flue passages one of which is unobstructed and t...
03/13/1979
4144291Process for the preparation of bromoaroxyl-alkyl-(ଲ-chloroalkyl) phosphates
Process for the preparation of phosphates of the formula ##STR1## wherein R represents hydrogen, alkoxy or alkyl having 1 to 8 C atoms, perfluoroalkyl having 1 to 8 C atoms, or halogen, a is 0.05 to 3.0, b is 0, 1, 2 or 3 and c is 1 or 2, by brominat...
03/13/1979
4143228Pyrazolinyl indolium dyestuffs
Dyestuffs of the formula ##STR1## WHEREIN R1 denotes halogen, alkyl, cycloalkyl, aralkyl, nitro, cyano, acyl, acylamino, amino, aminocarbonyl, aminosulphonyl, arylsulphonyl, alkylsulphonyl, alkoxy, aryloxy, aralkoxy, carboxyl, alkoxycarbon...
03/06/1979
4143200Synthetic filaments and fibres with high moisture absorption and water retention capacity
The invention relates to a process for the production of filaments and fibres having a moisture absorption of at least 7% and a water retention capacity of at least 25% by dry-spinning an acrylonitrile copolymer, containing more than 50 mval of carboxyl g...
03/06/1979
4141966Method of inhibiting skin irritation
A method of inhibiting or reducing the irritation of skin resulting from allergic contact dermatitis, caused by contact with natural or synthetic allergenic agents, e.g. poison ivy, and dinitrochlorobenzene, respectively, is described. The method comprise...
02/27/1979
4141315Apparatus for coating fibers, threads and sheets
This invention relates to an apparatus for applying a thin layer of liquid systems to fibers, threads or sheets which are moved uniformly in a linear direction which comprises continuously foaming the liquid system and bringing the threads, fibers or shee...
02/27/1979
4141873Vinylidene fluoride polymer film-forming composition in aqueous dispersion
Aqueous dispersions of vinylidene fluoride polymer containing admixed therewith dispersed acrylate polymer are useful for forming coatings on various substrates which are free of organic solvent pollution effects and which may be air-dried at ambient temp...
02/27/1979
4140857Process for the preparation of 2,4,5-trichloropyrimidine
Process for the preparation of 2,4,5-trichloropyrimidine, characterized in that compounds of the formula ##STR1## wherein R = a radical which can be split off under the reaction conditions Are reacted with more than 7 and less than 13 mols of chlorine, in...
02/20/1979
4140844Polyacrylonitrile filament yarns
The invention relates to dry-spun polyacrylonitrile filament yarns having a tensile strength of at least 47 cN/tex and an individual filament denier of at most 1.5 dtex and preferably an overall denier of 20 to 145 tex as well as to a process for the prod...
02/20/1979
4140852Triazinyl styryl-benzoxazole fluorescent dyestuffs
Fluorescent dyestuffs of the general formula ##STR1## wherein X denotes 0, S or N--R1, Y and Z denote halogen, hydroxyl, amino, alkoxy, aralkoxy, cycloalkoxy, aryloxy, alkylmercapto, arylmercapto, alkylamino, dialkylamino, acylamino, alkyl...
02/20/1979
4139530Benzo-[c]-cinnolinium dyestuffs
Cationic dyestuffs of the general formula ##STR1## IN WHICH THE SYMBOLS HAVE THE MEANING MENTIONED ABOVE INTERMEDIATES AND PROCESSES FOR THEIR PRODUCTION AND THEIR USE FOR DYEING AND PRINTING OF NATURAL AND SYNTHETIC MATERIALS....
02/13/1979
4138570Indoline linked to 2-pyrazoline
Dyestuffs of the formula ##STR1## WHEREIN R1 denotes halogen, alkyl, cycloalkyl, aralkyl, nitro, cyano, acyl, acylamino, amino, aminocarbonyl, aminosulphonyl, alkylsulphonyl, arylsulphonyl, alkoxy, aryloxy, aralkoxy, carboxyl, alkoxycarbon...
02/06/1979
4138461Dry spinning coarse-denier acrylic fibres
The invention relates to dry-spun acrylic fibers and filaments having deniers of from 20 to 80 dtex and a strength of at least 1.5 cN/dtex; as well as to a process for their production....
02/06/1979
4138393Crosslinkable acrylonitrile copolymers
The invention relates to a copolymer comprising at least 40% by weight of copolymerized acrylonitrile and from 0.5 to 10% by weight of at least one copolymerized unsaturated ester of acetoacetic acid corresponding to the general formula: and, optionally, ...
02/06/1979
4137301Method of inhibiting skin irritation
A method of inhibiting or reducing the irritation of skin resulting from allergic contact dermatitis, caused by contact with natural or synthetic allergenic agents, e.g. poison ivy, and dinitrochlorobenzene, respectively, is described. The method comprise...
01/30/1979
4135673Method of avoiding or preventing low-order ribbon windings in the winding of filaments
A winding process for producing cheeses and cones for natural or synthetic drawn or undrawn filaments, wherein by controlling the traversing frequency DH of the traversing thread guide as a function of time or the radius of the cheese or the rotational sp...
01/23/1979
4136105Monoperoxycarbonates
O-Alkyl OO-(t-octyl) monoperoxycarbonates of the formula [CH3 C(CH3)2 CH2 C(CH3)2 OOC(.dbd.O)O-]n R where n is an integer from 1-4, such as OO-(1,1,3,3-tetramethylbutyl) O-methyl ...
01/23/1979
4132840Process for coloring polyurethane foams
Polyurethane plastics are dyed with dyestuffs of the formula ##STR1## wherein R1 denotes hydrogen, halogen, optionally substituted C1 -C4 -alkyl, optionally substituted C1 -C4 -alkoxy and optiona...
01/02/1979
1                
 
Sign InRegister
Username  
Password   
forgot password?