"Without question, the greatest invention in the history of mankind is beer. Oh, I grant you that the wheel was also a fine invention, but the wheel does not go nearly as well with pizza."
|6531618||Process for preparing water-soluble catalysts|
The invention relates to a process for preparing water-soluble organotin catalysts by contacting organotin compounds with polyelectrolytes and, optionally, subsequently removing the water....
|5470995||Continuous process for making a dialkyltin thiocarboxylic acid ester|
This invention provides a method for reducing fifty-fold the size of equipment required for making a given volume of alkyltin thioglycolic acid esters. In said method, an alkyltin thiocarboxylic acid ester is made from the corresponding alkyltin halide an...
|5380896||Process for the preparation of diorganotin mercaptocarboxylates|
The invention relates to a process for the preparation of a pulverulent diorganotin mercaptocarboxylate, which comprises reacting a diorganotin oxide of the formula I, ##STR1## in which R1 and R2, independently of one another, a...
|5354508||Organotin stabilizer mixture|
An organotin stabilizer mixture comprising: (a) monoalkyltin mercaptoalcohol (b) a monoalkyltin mercaptoacid ester; and (c) a monoalkyltin sulfide provides improved early color, lubricity, and weatherability to rigid vinyl polymer formulations. The formul...
|5041577||Organogermanium compounds, processes for producing the same, and agent for inhibiting the activity of opioid peptide-degrading enzyme|
The present invention relates to (a) novel organogermanium compounds represented by the general formula (1) ##STR1## (R1 to R6 are independently a hydrogen atom or a lower alkyl group; X is a halogen atom; and Y1 and ...
|4795820||Method of manufacturing tinorganic compounds and stabilizers|
A method of manufacture of tinorganic compounds....
|4711920||Stabilizers for halogen-containing polymers comprising the product of a diorganotin oxide, an ethylenically unsaturated dicarboxylic acid ester and a mercaptan|
Compositions for stabilizing halogen-containing organic polymers against the deteriorative effects of heat, light and weathering and which are non-irritating to eyes and mucous membranes, comprise the reaction product produced by combining an organotin ox...
|4554368||Continuous process for the preparation of alkyltin thiocarboxylic acid esters|
A process for the production of alkyltin thiocarboxylic acid esters from alkyltin halides and thiocarboxylic acid esters in the presence of an acid acceptor, which process comprises carrying out the reaction continuously in a reaction system comprising 1 ...
|4425280||Metal amino acids|
A composition of matter comprising metal complexes of aminocarboxylic-carboxylic acids. The composition may be used as polyvinal halide stabilizers....
|4324737||Process for the preparation of organostannic trihalides|
A process of preparing organostannic trihalides by reaction of an olefin compound activated by a carbonyl group adjacent to the double bond, in the presence of a hydrohalic acid, with a stannous compound in a solvent-free medium and an excess of olefin wh...
|4307028||Preparation of organo-tin compounds|
Preparation of organo-tin compounds, particularly mercapto-tin compounds. A metal, preferably an alkali metal, or ammonium thioxanthate is reacted with a tin salt. In a variant, the thioxanthate is produced in the reaction medium per se, starting from the...
|4292252||Process for preparing organotin esters|
Organotin esters from acid esters of di or poly carboxylic acids are made by mixing base an organotin halide and the acid ester in the presence of water, and reacting to form the organotin ester, the amount of base and acid ester being to provide 0.9-1.3 ...
|4237043||Organotin compounds, the preparation and use thereof|
The invention provides novel organotin compounds and their preparation by reaction of organotin halides with mercaptans, thiocarboxylic acid esters, carboxylic acids or carboxylic acid partial esters. Suitable organotin halides are those obtained by react...
|4231949||Process for preparing organotin esters|
Organotin esters from acid esters of di or poly carboxylic acids are made by adding a base to a mixture of an organotin halide and the acid ester in the presence of water, and reacting to form the organotin ester, the amount of base and acid ester being t...
|4120875||Novel curing agents derived from organothiostannoic acids|
Epoxide compounds are cured rapidly at relatively low temperatures by reaction products of a carboxylic acid anhydride and an organothiostannoic acid anhydride or mixtures containing these two compounds. The cured products exhibit good physical and electr...
|4111903||Organotin compounds and vinyl halide resin compositions stabilized therewith|
Sulfur-containing organotin compounds that are mobile liquids of low viscosity and that have a relatively mild sulfur odor have the structural formula ##STR1## wherein each R represents an alkyl group having 1 to 8 carbon atoms, each R' represen...
|4062881||Sulfide containing tin stabilizers|
A polyvinyl chloride resin stabilizer is provided having a high concentration of tin, in the range from about 10% to about 42% by weight, and a high concentration of sulfur, within the range from about 8% to about 42% sulfur, comprising at least one monoo...
|4058543||Organotin mercapto dicarboxylic acid esters and compositions|
Organotin mercapto dicarboxylic acid esters are provided having either substantially no odor or a remarkably low odor, and capable of imparting to polyvinyl chloride resin compositions when heated at elevated temperatures an enhanced resistance to early d...
Novel organotin compounds exhibit the general formula ##STR1## where R and R1 are individually selected from the group consisting of C1 and C12 alkyl groups, cycloalkyl radicals and phenyl radicals; X is a group of th...
|3979359||Carbofunctional sulfur and carboxylate bridged tin compounds|
Organotin compounds are prepared having (1) at least two tin atoms linked by a bridge through sulfur, carboxylate or both and containing at least two carbon atoms in the bridge, (2) directly attached to the tin atoms one to two alkyl groups containing one...
|3978102||Novel diorganotin maleate half esters and process for preparing same|
Organotin compounds with low tin content suitable as stabilizers for halogen containing resins e.g. polyvinyl chloride are of formula ##EQU1## where R1 and R2 are C1-20 alkyl, cycloalkyl or phenyl groups, Q1
Organotin compounds of formula ##EQU1## where a is 0 or 1, x, x', y and y' are 1-6, R1, R2 R6 and R7 are C1-12 alkyl, cycloalkyl, aromatic or aralkyl hydrocarbyl, R4 and R9 ...
|3962296||Process for the preparation of stabilizers for synthetic resins|
A process for the preparation of a stabilizer for synthetic resins mainly consisting of a molecular weight increased alkyltin mercaptocarboxylic acid ester which comprises interesterification between a corresponding lower molecular weight alkyltin mercapt...
|3962295||Novel diorganotin derivatives of , ω-dimercaptans and method for preparing same|
Organothiotin compounds with low tin content suitable as stabilizers for halogen containing resins e.g. polyvinyl chloride, are of formula ##EQU1## wherein R1 and R.sub. 2 are individually selected from the group consisting of alkyl radica...
|3933750||Novel stabilized polymer compositions|
Organothiotin compounds with low tin content suitable as stabilizers for halogen containing resins e.g. polyvinyl chloride, are of formula R1 R2 Sn(X) -- SCm H2m S -- (Y)SnR1 R2, where R
|3933743||Organotin thermal stabilizers for PVC resins|
Organotin compounds with low tin content suitable as stabilizers for halogen containing resins e.g. polyvinyl chloride are of formula ##EQU1## where R1 and R2 are C1.sub.-20 alkyl, cycloalkyl or phenyl, Q1 ...