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

Icon_funbox Did You Know...

...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.

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.

 

Class 546/14 - Silicon containing


Subclass of Class 546 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain silicon.
No. of patents: 658
Last issue date: 04/10/2012


                    17  
NumberTitleIssue Date
4169943Process for the preparation of amino derivatives of N-heterocycles
A process for the preparation amino derivatives of N-heterocycles comprises reacting a hydroxy-N-heterocycle with hexamethylcyclotrisilazane (HTS) and/or octamethylcyclotetrasilazane (OTS) and then with NH3, or a primary or secondary amine, esp...
10/02/1979
4150122Substituted carbamates
Insecticidal and nematicidal carbamates, such as methyl 2-dimethylamino-N-{[N-methyl-N-(trimethylsilanyl)-amino]carbonyloxy}-2-oxo -ethanimidothioate, for control of pestiferous insects belonging to such orders as Homoptera, Coleoptera and Diptera....
04/17/1979
4141883Stabilization of synthetic polymers by penta-or-hexa-substituted 4-piperidinol derivatives
Polymers, both natural and synthetic, are stabilized against the deterioration resulting from heat and/or light by the incorporation of certain 2,2,6,6-tetra-substituted-4-piperidinol derivatives which additionally have an alkyl, alkenyl, alkynyl or aralk...
02/27/1979
4115100Selective herbicidal composition containing 2-pyridinol compounds
This invention relates to the selective control of weeds and wild grasses in crops of useful plants by means of 2-pyridinol compounds of formula ##STR1## wherein A is an alkylene or alkenylene bridge B is a group --OR1 or --SR2, R
09/19/1978
4085108Silicon derivatives of tetrahydroquinolines
The invention relates to novel silicon derivatives of tetrahydroquinolines, which are intermediates in a process for preparing 5,6,7,8-tetrahydroquinoline-8-carboxamides and thiocarboxamides....
04/18/1978
4079055Chemical reduction process
The disclosure relates to a novel chemical process whereby enone intermediates for prostaglandins are reduced steroselectively to the ଱-enols, the ଱-hydroxy of which corresponds to the prostaglandin 15଱-hydroxy group....
03/14/1978
4075167Maleimido group-containing organosilicon compounds
Novel organosilicon compounds having in a molecule at least one maleimido group bonded to a silicon atom through a Si-C linkage, synthesized by reaction of a derivative of maleic anhydride with an organosilicon compound having an amino-substituted hydroca...
02/21/1978
4073934Novel acetylenic prostaglandin analogs
Optically active and racemic prostaglandin derivatives of the formula ##STR1## wherein R1 is --OR5 ; --NHSO2 CH3 ; or --O--CH2 --U--V; R5 is hydrogen, alkyl, aryl, or a heterocyclic group; ...
02/14/1978
4064151Halosilyl carbamates
Isocyanates are prepared directly from amines in a facile process which involves the reaction with halosilyl compounds to form novel halosilyl carbamates. The isocyanate may then be derived from the carbamate intermediate by gentle heating. In accordance ...
12/20/1977
4059581Heterocyclic nitrogen containing siloxanes
Cationic bis(trimethylsiloxy) siloxanes of the formula: wherein M is the trimethylsiloxy units, Me3 SiO1/2, x is an integer of 1 to 3, preferably 1, and D' is a cationic difunctional siloxy unit of the formula: ##STR1## wherein ...
11/22/1977
4046895Phenanthridine derivatives and related compounds
The invention provides a compound of formula I ##STR1## wherein R1 and R2 are the same or different and represent hydrogen or alkyl of 1-6 carbon atoms, R3 represents hydrogen, alkyl of 1-6 carbon atoms, or phenyl, X ...
09/06/1977
4026880Silanes having an amine functional group thereon
A silicone compound of the formula, ##STR1## where R, R1, R2 and R6 are hydrocarbon radicals, B is selected from nitrogen, oxygen and sulfur, D is selected from a divalent hydrocarbon radical or oxygen, G is selected ...
05/31/1977
4013661Substituted 1,2-dihydropyridines and process for preparing same
Substituted 1,2-dihydropyridines of the formula ##SPC1## In which R and R2 are selected from the group consisting of hydrogen, --NH2, silyl, silyl linked via oxygen, silyl linked via nitrogen, sulfamyl, organosulfonamido, nitro, orga...
03/22/1977
4000142Process for preparing pyridine derivatives
The invention relates to a process for preparing pyridine compounds which have a fused cycloalkane ring containing an amide, thioamide or nitrile group. The process involves treating a metal derivative of the pyridine compound with a silyl isocyanate or i...
12/28/1976
3963726Quaternary ammonium salts of chloromethylated silicon compounds
Quaternary ammonium salts of chloromethylated silanes or siloxanes which contain at least one radical directly linked to a silicon atom wherein Ar is an arylene radical, wherein R3 "N taken collectively is a tertiary amine radical and wherein t...
06/15/1976
3951982Trialkylsilyl esters of 6(substituted amino)phenyl-1,-dihydro-2-oxonicotinic acid, methods for their production and conversion to the corresponding acid chlorides
Trialkylsilyl esters of 6-(substituted amino)phenyl-1,2-dihydro-2-oxonicotinic acid and acid addition salts thereof are disclosed. The compounds are useful intermediates in the preparation of pharmacological agents, especially antimicrobials of the p...
04/20/1976
3946033Process for the preparation of hydantoin derivatives
Hydantoin derivatives are produced by reacting 1. a glycine derivative, 2. a primary amine, and 3. a diaryl carbonate Thus, various kinds of hydantoin derivatives can be obtained without using an isocyanate....
03/23/1976
3940402Tris(substituted amino) sulfonium salts
Trisaminosulfonium salts of the formula (R1 R2 N)(R3 R4 N)(R5 R6 N)S+ X- wherein the R groups are alkyl of 1-20 carbons and each alkyl has at least 2 alpha hydrogens and X...
02/24/1976
                    17  
 
Sign InRegister
Username  
Password   
forgot password?