Benzene Ring Containing Patents (Class 564/251)
  • Patent number: 4423130
    Abstract: In an electrophotographic light-sensitive material having on a conductive support a light-sensitive layer composed of a charge generating material and a charge transporting material. A hydrazone compound is used as the charge transporting material for providing the light sensitive layer having high sensitivity and less residual surface potential. The light-sensitive layer is stable to oxidation by ozone generated by corona discharging as well as to heat and light, results in less dark decay of the surface potential. Furthermore, the layer shows less deviation in residual potential and sensitivity due to repeated use.
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: December 27, 1983
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiji Horie, Junji Nakano, Hideo Sato
  • Patent number: 4420548
    Abstract: An electrophotographic photosensitive member is characterized by having a layer containing at least one of hydrazone group compounds represented by the following formula (1) or of ketazine group compounds represented by the following formula (2): ##STR1## In the formula, R.sub.11 and R.sub.12 independently of one another represent hydrogen, substituted or unsubstituted aryl, or substituted or unsubstituted heterocyclic radical; R.sub.13 and R.sub.14 independently of one another represent subsituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted aryl, or substituted or unsubstituted heterocyclic radical; and R.sub.15 represents a divalent organic residue. ##STR2## In the formula, R.sub.21, R.sub.22, R.sub.23, and R.sub.24 independently one another represent substituted or unsubstituted alkyl, substituted or substituted aralkyl, or substituted or unsubstituted aryl, or R.sub.21 and R.sub.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: December 13, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kiyoshi Sakai, Minoru Mabuchi, Toshiko Suzuki, Yuji Egarashi, Shozo Ishikawa
  • Patent number: 4415640
    Abstract: Electrophotographic light-sensitive elements containing substituted or unsubstituted fluorenone hydrazones as charge generating or charge transport materials are described.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: November 15, 1983
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Satoshi Goto, Kiyoshi Sawada, Osamu Sasaki, Akira Kinoshita, Yoshiaki Takei, Yoshihide Fujimaki
  • Patent number: 4399207
    Abstract: An electrophotographic photosensitive member having a layer containing at least one compound represented by the formula ##STR1## wherein X.sub.1 represents a residue necessary for completing a substituted or unsubstituted aromatic hydrocarbon ring; X.sub.2 represents a residue necessary for completing a substituted or unsubstituted heterocyclic ring; R.sub.1, R.sub.2, R.sub.3, and A each represent hydrogen, alkyl, aralkyl, or aryl, substituted or unsubstituted; and m is 0 or 1.
    Type: Grant
    Filed: July 22, 1982
    Date of Patent: August 16, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kiyoshi Sakai, Minoru Mabuchi, Shozo Ishikawa, Makoto Kitahara
  • Patent number: 4387147
    Abstract: An electrophotographic element which comprises a conductive substrate and a photosensitive layer, superposed thereon, consisting of a charge generation layer and a charge transport layer, said charge transport layer containing as an available ingredient a hydrazone compound having the following general formula (I): ##STR1## (where R is a hydrogen atom, an alkyl group, of from one to six carbon atoms, an alkoxyl group of from one to six carbon atoms, a substituted or non-substituted dialkylamino group, halogen, a nitro group or a hydroxyl group. n is an integer of 1-5. In case where n is 2 or more, R may be the same or different.).
    Type: Grant
    Filed: December 3, 1980
    Date of Patent: June 7, 1983
    Assignee: Ricoh Co., Ltd.
    Inventor: Kiyoshi Sakai
  • Patent number: 4383948
    Abstract: Hydrazone derivatives of the formula ##STR1## in which A.sub.1 is an aromatic radical, B.sub.1 is hydrogen, alkyl, cycloalkyl, aralkyl or aryl, R.sub.1, R.sub.2 and R.sub.3 independently of one another are alkyl, cycloalkyl, aralkyl or polyoxyalkylene, Z.sub.1 is arylene, X.sup..crclbar. is an anion and m is 0, 1, 2 or 3.The hydrazone derivatives are suitable as UV absorbers, especially in polymer coatings.
    Type: Grant
    Filed: May 18, 1981
    Date of Patent: May 17, 1983
    Assignee: Ciba-Geigy AG
    Inventors: Beat Muller, Martin Roth
  • Patent number: 4355177
    Abstract: Novel substituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal aldehyde-derivatives of the formulae Ia ##STR1## in which R.sub.1 to R.sub.6, Y and m are as defined in patent claim 1, and processes for their preparation are described. The compounds of the formulae Ia and Ib can be catalytically hydrogenated to novel 1,11-diaminoundecanes, which, in turn, can be used, for example, for the preparation of polycondensation products, in particular transparent polyamides, or as curing agents for epoxide resins.
    Type: Grant
    Filed: January 30, 1981
    Date of Patent: October 19, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Dieter Reinehr, Josef Pfeifer
  • Patent number: 4344893
    Abstract: Novel compounds are described which are substituted benzophenone hydrazones. They have pesticidal activity, especially against insects and acarids, and pesticidal compositions and methods are described. Methods of making the compounds, and novel intermediates, are also described.
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: August 17, 1982
    Assignee: The Boots Company Limited
    Inventors: Leonard G. Copping, John C. Kerry, Thomas I. Watkins, Robert J. Willis, Bryan H. Palmer
  • Patent number: 4335136
    Abstract: 4,5-Diaryl-.alpha.-(polyfluoroalkyl)-1H-pyrrole-2-methanamines such as 4,5-bis(4-fluorophenyl)-.alpha..alpha.-bis-(trifluoromethyl)-1H-pyrrole-2- methanamine, useful in treatment of inflammation.
    Type: Grant
    Filed: March 4, 1981
    Date of Patent: June 15, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Saul C. Cherkofsky
  • Patent number: 4332727
    Abstract: The invention relates to a process for the production of 1-(4-chlorobenzoyl)-5-methoxy-2-methyl-3-indolylacetoxyacetic acid (known to be useful as an antiphlogistic agent) which comprises reacting .alpha.-(4-chlorobenzoyl)-4-methoxyphenylhydrazine hydrochloride or sulphonate with laevulinoyloxyacetic acid and cyclizing the resulting hydrazone to obtain a product free from 1-benzoyl-5-methoxy-2-methyl-3-indolylacetoxyacetic acid.
    Type: Grant
    Filed: October 2, 1980
    Date of Patent: June 1, 1982
    Assignee: Troponwerke GmbH & Co. KG
    Inventors: Karl-Heinz Boltze, Siegfried Raddatz, Peter-Rudolf Seidel
  • Patent number: 4332948
    Abstract: Hydrazone compounds having the general formula ##STR1## wherein Ar is selected from the group consisting of a naphthalene ring radical, substituted naphthalene ring radicals, an anthracene ring radical, substituted anthracene ring radicals, styryl, substituted styryls, a pyridine radical, a furan ring radical and a thiophene ring radical.The hydrazone compounds can be prepared by allowing 1-methyl-1-phenylhydrazine having the formula ##STR2## to react with an aldehyde represented by the general formula Ar-CHO, wherein Ar is the same as mentioned above at a substantially equal molar ratio in an organic solvent selected from the group consisting of lower alcohols, cyclic ethers, cellosolves, N,N-dimethylforamide and acetic acid, in the presence of an acid catalyst, by heating and refluxing the reaction mixture.
    Type: Grant
    Filed: May 14, 1980
    Date of Patent: June 1, 1982
    Assignee: Ricoh Company, Ltd.
    Inventors: Kiyoshi Sakai, Mitsuru Hashimoto, Kyoji Tsutsui
  • Patent number: 4331680
    Abstract: Novel compounds are described which are substituted benzophenone hydrazones. They have pesticidal activity, especially against insects and acarids, and pesticidal compositions and methods are described. Methods of making the compounds, and novel intermediates, are also described.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: May 25, 1982
    Assignee: The Boots Company
    Inventors: David P. Giles, John C. Kerry, Antonin Kozlik, Bryan H. Palmer, Stephen W. Shutler, Robert J. Willis
  • Patent number: 4277621
    Abstract: Novel substituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal aldehyde-derivatives of the formulae Ia ##STR1## in which R.sub.1 to R.sub.6, Y and m are as defined in patent claim 1, and processes for their preparation are described. The compounds of the formulae Ia and Ib can be catalytically hydrogenated to novel 1,11-diaminoundecanes, which, in turn, can be used, for example, for the preparation of polycondensation products, in particular transparent polyamides, or as curing agents for epoxide resins.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: July 7, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Dieter Reinehr, Josef Pfeifer
  • Patent number: 4273785
    Abstract: Novel 4-monoalkylamino-benzaldehydes, 4-mono-alkylamino-alkanophenones, and 4-monoalkylamino-benzophenones, and derivatives and salts thereof, are disclosed which are useful as anti-atherosclerotic agents.
    Type: Grant
    Filed: September 27, 1977
    Date of Patent: June 16, 1981
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Patent number: 4258181
    Abstract: This disclosure describes anthracene-9,10-bis-carbonyl-hydrazones and derivatives thereof useful as antibacterial agents, for inhibiting the growth of transplanted mouse tumors, and for inducing the regression and/or palliation of leukemia and related cancers.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: March 24, 1981
    Assignee: American Cyanamid Company
    Inventors: Keith C. Murdock, Frederick E. Durr
  • Patent number: 4247477
    Abstract: This invention relates to copolymerizable ultraviolet light absorber compounds having the formula: ##STR1## where R is alkylene, C.sub.1 -C.sub.10, hydroxyalkylene, C.sub.1 -C.sub.10, alkylene-oxyalkylene, C.sub.1 -C.sub.10 or phenylene, C.sub.1 -C.sub.10, unsubstituted or substituted with hydroxy;R' and R" are independently hydrogen or akyl; C.sub.1 -C.sub.6 ; and R"' is hydrogen or akyl, C.sub.1 -C.sub.6.
    Type: Grant
    Filed: February 27, 1980
    Date of Patent: January 27, 1981
    Assignee: GAF Corporation
    Inventors: Bruce A. Gruber, Donald H. Lorenz
  • Patent number: 4235996
    Abstract: This disclosure describes 9,10-dihydroanthracene-9,10-dicarboxaldehyde-bis-hydrazones and derivatives thereof useful as antibacterial agents, for inhibiting the growth of transplanted mouse tumors, and for inducing the regression and/or palliation of leukemia and related cancers in mammals.
    Type: Grant
    Filed: September 19, 1978
    Date of Patent: November 25, 1980
    Assignee: American Cyanamid Company
    Inventors: Ralph G. Child, Stanley A. Lang, Jr., Ving J. Lee, Yang-I Lin