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5504 results about "Benzotriazole" patented technology

Benzotriazole (BTA) is a heterocyclic compound containing three nitrogen atoms, with the chemical formula C₆H₅N₃. This aromatic compound is colorless and polar and can be used in various fields.

Nicotinamide acids, amides, and their mimetics active as inhibitors of PDE4 isozymes

InactiveUS20020111495A1Organic chemistryDiseasePyridazine
Compounds useful as inhibitors of PDE4 in the treatment of diseases regulated by the activation and degranulation of eosinophils, especially asthma, chronic bronchitis, and chronic obstructuive pulmonary disease, of the formula: wherein j is 0 or 1, k is 0 or 1, m is 0, 1, or 2; n is 1 or 2; A is selected from the partial Formulas: where q is 1, 2, or 3, W3 is -O-; -N(R9)-; or -OC(=O)-; R7 is selected from -H; -(C1-C6) alkyl, -(C2-C6) alkenyl, or -(C2-C6) alkynyl substituted by 0 to 3 substituents R10; -(CH2)u-(C3-C7) cycloalkyl where u is 0, 1 or 2, substituted by 0 to 3 R10; and phenyl or benzyl substituted by 0 to 3 R14; R8 is tetrazol-5-yl; 1,2,4-triazol-3-yl; 1,2,4-triazol-3-on-5-yl; 1,2,3-triazol-5-yl; imidazol-2-yl; imidazol-4-yl; imidazolidin-2-on-4-yl; 1,3,4-oxadiazolyl; 1,3,4-oxadiazol-2-on-5-yl; 1,2,4-oxadiazol-3-yl; 1,2,4-oxadiazol-5-on-3-yl; 1,2,4-oxadiazol-5-yl; 1,2,4-oxadiazol-3-on-5-yl; 1,2,5-thiadiazolyl; 1,3,4-thiadiazolyl; morpholinyl; parathiazinyl; oxazolyl; isoxazolyl; thiazolyl; isothiazolyl; pyrrolyl; pyrazolyl; succinimidyl; glutarimidyl; pyrrolidonyl; 2-piperidonyl; 2-pyridonyl; 4-pyridonyl; pyridazin-3-onyl; pyridyl; pyrimidinyl; pyrazinyl; pyridazinyl; indolyl; indolinyl; isoindolinyl; benzo[b]furanyl; 2,3-dihydrobenzofuranyl; 1,3-dihydroisobenzofuranyl; 2H-1-benzopyranyl; 2-H-chromenyl; chromanyl; benzothienyl; 1H-indazolyl; benzimidazolyl; benzoxazolyl; benzisoxazolyl; benzothiazolyl; benzotriazolyl; benzotriazinyl; phthalazinyl; 1,8-naphthyridinyl; quinolinyl; isoquinolinyl; quinazolinyl; quinoxalinyl; pyrazolo[3,4-d]pyrimidinyl; pyrimido[4,5-d]pyrimidinyl; imidazo[1,2-a]pyridinyl; pyridopyridinyl; pteridinyl; or 1H-purinyl; or A is selected from phosphorous and sulfur acid groups; W is -O-; -S(=O)t-, where t is 0, 1, or 2; or -N(R3)-; Y is =C(R1a)-, or -[N<custom-character file="US20020111495A1-20020815-P00900.TIF" wi="20" he="20" id="custom-character-00001"/>(O)k] where k is 0 or 1; R4, R5 and R6 are (1) -H; provided that R5 and R6 are not both -H at the same time, -F; -Cl; -(C2-C4) alkynyl; -R16; -OR16; -S(=O)pR16; -C(=O)R16, -C(=O)OR16, -C(=O)OR<highlight><sup
Owner:PFIZER INC

Extreme pressure antiwear additive and preparation method and application thereof

The invention provides an extreme pressure antiwear additive and a preparation method and application thereof; the extreme pressure antiwear additive has a general formula structure as shown in the specification, wherein R1, R2 and R3 in the formula is respectively alkyl groups, aryl groups or aralkyl of a C4-C20 linear chain or branched chain. The extreme pressure antiwear additive provided by the invention is formed by reacting phosphorus oxychloride, C1-C20 alcohols, organic amine and benzotriazole. The extreme pressure antiwear additive provided by the invention can be applied to lubrication oil and lubricating grease with 0.1-2.0wt% of recommended dosage. The extreme pressure antiwear additive provided by the invention has moderate chemical activity, good oil solubility, very good compatibility with other addition agents, no peculiar smell and good thermal oxidation stability, and can effectively reduce the abrasion of devices and oil sedimentation as well as generation of oil sludge. After applied to gear oil, the extreme pressure antiwear additive has excellent antiwear performance and thermal oxidation stability; and simultaneously the extreme pressure antiwear additive can be applied to a lubricating grease and automatic transmission liquid and hydraulic oil of automobiles.
Owner:天津市金岛润滑科技股份有限公司

Olefin-based copolymer composition

An olefin-based copolymer composition comprising the following component (a) in combination with any one component selected from the following components (b) to (i): (a): an olefin-based copolymer obtained by copolymerizing two or more olefins, wherein the olefins are selected from the group consisting of ethylene, propylene and alpha-olefins having 4 to 20 carbon atoms, and the total number of carbon atoms of the two or more selected olefins is 6 or more; (b): a crystalline alpha-olefin-based polymer comprising an alpha-olefin having 3 or more carbon atoms; (c): the following component (c-1) and / or component (c-2), (c-1): a block copolymer comprising (cH) a polymer block containing a vinyl aromatic compound and (cS) a polymer block containing a conjugated diene compound, (c-2): a hydrogenated product of the block copolymer recited in (c-1); (d): the component (b) in combination with an isobutylene-isoprene copolymer rubber and / or halogenated isobutylene-isoprene copolymer rubber; (e): the component (b) in combination with a tackifier resin; (f): the component (b), a component (f-1) which is an ethylene-propylene (non-conjugated diene) random copolymer rubber, and a component (f-2) which is an inorganic filler; (g): a component (g-1) and / or (g-2), (g-1): a benzotriazole light stabilizer having a benzotriazole skeleton and having a molecular weight of 100 to 5,000, (g-2): a hindered amine light stabilizer having a piperidyl group in its molecular skeleton and having a molecular weight of about 200 or more; (h): the component (f-1) in combination with the component (b) and / or an ethylene-based polymer having an ethylene content of 90 mol % or more; and (i): the component (b) and the inorganic filler (f-2).
Owner:SUMITOMO CHEM CO LTD
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