中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

15 records (took 0.033 seconds)

    Substituted 4-aminoquinazolines and a process for their production
    1.
    发明授权
    Substituted 4-aminoquinazolines and a process for their production 失效
    取代的4-氨基喹唑啉及其生产方法

    公开(公告)号：US3689489A

    公开(公告)日：1972-09-05

    申请号：US3689489D

    申请日：1969-08-13

    Applicant: BAYER AG

    Inventor： WAGNER KLAUS ,  ROOS ERNST

    IPC: C08K5/3465 ,  C07D51/48

    CPC classification number: C08K5/3465 ,  C08L27/06

    Abstract: A process for preparation of 4-aminoquinazolines and novel 4aminoquinazolines. In the process a benzonitrile derivative substituted in the 2-position by a halogen atom or alkoxy, alkylthio, aryloxy or arylthio group and in the 3- and/or 5position by an electronegative radical, is reacted with a compound corresponding to the general formula IN WHICH R represents a hydrogen atom, a hydrocarbon radical, an amino group, mono- or di-substituted amino group or a substituted sulphydryl group, in an inert solvent.

    Abstract translation: 一种制备4-氨基喹唑啉和新型4-氨基喹唑啉的方法。 在该方法中，通过卤素原子或烷氧基，烷硫基，芳氧基或芳硫基取代2-位的苄腈衍生物，在电负性基团的3-和/或5-位取代的苄腈衍生物与对应于通式 式中R表示氢原子，烃基，氨基，单取代或二取代的氨基或取代的巯基，在惰性溶剂中。

    Process for the production of aromatic lactones
    2.
    发明授权
    Process for the production of aromatic lactones 失效
    生产芳香乳液的方法

    公开(公告)号：US3663575A

    公开(公告)日：1972-05-16

    申请号：US3663575D

    申请日：1968-07-02

    Applicant: BAYER AG

    Inventor： ROOS ERNST ,  WAGNER KLAUS

    IPC: C07D307/88 ,  C07D493/04 ,  C07D5/34

    CPC classification number: C07D493/04 ,  C07D307/88

    Abstract: PRODUCTION OF AROMATIC LACTONES BY HYDROLYZING AN AROMATIC COMPOUND, E.G. BENZENE, NAPHTHALENE AND DIPHENYLDICHLORO-METHANE COMPOUNDS, CONTAINING AT LEAST TWO ORTHDICHLOROMETHYL GROUPS, WITH THE REMAINDER OF THE NUCLEAR POSITIONS THEREOF HAVING ALL OF THE CORRESPONDING HYDROGEN ATOMS THEREAT SUBSTITUTED BY CHLORO AND/OR DICHLOROMETHYL SUBSTITUENTS, WITH A HYDROLYZING AGENT, E.G. AT LEAST ABOUT 75% SULFURIC ACID OR OLEUM AT ABOUT 80200*C., SUCH AROMATIC LACTONES BEING USABLE AS INTERMEDIATES FOR REACTION WITH PRIMARY AND SECONDARY AMINES, I.E. TO EXCHANGE ONE OR MORE CHLORO SUBSTITUTENTS THEREWITH, TO FORM FLUORESCENT DYES OR OPTICAL BRIGHTENERS, THOSE AROMATIC LACTONES IN WHICH AT LEAST ONE SUBSTITUENT IS OTHER THAN CHLORO BEING NEW.

    Certain substituted benzthiazole-n-oxides and their preparation
    3.
    发明授权
    Certain substituted benzthiazole-n-oxides and their preparation 失效
    某些取代的苯并氮氧化物及其制备

    公开(公告)号：US3691186A

    公开(公告)日：1972-09-12

    申请号：US3691186D

    申请日：1970-01-29

    Applicant: BAYER AG

    Inventor： WAGNER KLAUS ,  ROOS ERNST

    IPC: C07D277/68 ,  C09B57/00 ,  C07D91/44

    CPC classification number: C07D277/68 ,  C09B57/00

    Abstract: Novel benzthiazole-N-oxides are obtainable by the reaction of halogenonitrobenzenes additionally activated by one or more electronegative substituents with mercaptomethyl compounds in an inert solvant in the presence of a base in the temperature range of from 20* to 160* C. The new benzthiazole-N-oxides are suitable for use as colored pigments e.g. for dyeing plastics.

    Vulcanization retarders
    4.
    发明授权
    Vulcanization retarders 失效
    VULCANIZATION RETARDERS

    公开(公告)号：US3671503A

    公开(公告)日：1972-06-20

    申请号：US3671503D

    申请日：1970-11-18

    Applicant: BAYER AG

    Inventor： SCHUBART RUDIGER ,  ROOS ERNST ,  ABELE MANFRED

    IPC: C08K5/43 ,  C08F27/06 ,  C08C11/54 ,  C08C11/60

    CPC classification number: C08K5/43 ,  C08L21/00

    Abstract: N,N''-thio-bis-carbamic acid amides, their preparation by reacing at least 2 mols of a carboxylic acid amide with 1 mol of sulphur dichloride in the presence of an acid binding agent and their utility as rubber vulcanization retarders.

    Abstract translation: N，N'-硫代双氨基甲酸酰胺，它们的制备方法是在酸结合剂的存在下用1摩尔二氯化硫取代至少2摩尔的羧酸酰胺及其作为橡胶硫化缓凝剂的用途。

    Alpha, alpha-bis-(2-hydroxyphenyl)-diisopropyl benzenes
    6.
    发明授权
    Alpha, alpha-bis-(2-hydroxyphenyl)-diisopropyl benzenes 失效
    α，α-双 - （2-羟基苯基） - 二异丙基苯

    公开(公告)号：US3875246A

    公开(公告)日：1975-04-01

    申请号：US36950773

    申请日：1973-06-13

    Applicant: BAYER AG

    Inventor： OERTEL HARALD ,  ROOS ERNST ,  LEY KURT

    IPC: C07C39/17 ,  C08K5/13 ,  C07C39/12

    CPC classification number: C07C39/17 ,  C07C2601/08 ,  C07C2601/14 ,  C08K5/13 ,  C08L75/04

    Abstract: The invention relates to a process for stabilising polyurethanes, particularly polyurethane elastomer threads and films, against degradation and discoloration under the action of light or UV radiation, oxygen, atmospheric constituents (e.g. nitrogen oxides) and heat by the addition of bisphenols.

    Abstract translation: 本发明涉及一种稳定聚氨酯，特别是聚氨酯弹性体线和膜的方法，其在光或紫外线辐射，氧气，大气成分（如氮氧化物）和加入双酚的作用下，降解和变色。

    Aromatic monoalkoxyaldehyde acetals
    9.
    发明授权
    Aromatic monoalkoxyaldehyde acetals 失效
    芳香单羟基甲醛

    公开(公告)号：US3585242A

    公开(公告)日：1971-06-15

    申请号：US3585242D

    申请日：1968-09-09

    Applicant: BAYER AG

    Inventor： ROOS ERNST ,  WAGNER KLAUS

    IPC: C07C43/30

    CPC classification number: C07C43/30

    Abstract: REACTING HALOGENATED BENZENES CONTAINING AT LEAST TWO DICHLOROMETHYL GROUPS WITH MONOHYDRIC OR POLYHYDRIC ALCOHOLS TO OBTAIN MONOALKOXYBENZALDEHYDE ACETALS WHICH ARE USEFUL AS HERBICIDES.

Patent Agency Ranking