Boron, Selenium, Or Silicon Containing Patents (Class 554/77)
  • Patent number: 5498738
    Abstract: The present invention a process for the preparation of a compound of the formula (X) useful as precursor for the A-ring in taxanes ##STR1## wherein R' is an ##STR2## in which R" is a linear, branched or cyclic alkyl group of 1 to 10 carbon atoms. The invention further relates to the novel compound (X) and to novel intermediates in said process.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: March 12, 1996
    Inventors: Esko Karvinen, Ari Koskinen
  • Patent number: 5344949
    Abstract: Surface active anion-cation complexes are synthesized where an organic or organosilicon compound with at least one epoxide group is reacted with a quaternary ammonium hydrogen sulfite of the general formulaHN.sup.+ (R.sup.1).sub.3 SO.sub.3 H.sup.- IwhereinR.sup.1 within the molecule is the same or different and can be(1) an alkyl or hydroxyalkyl group with 1 to 18 carbon atoms,(2) a phenyl group, or(3) a group of the formula C.sub.n H.sub.2n+1 CONH--(CH.sub.2).sub.m --, in which n can be a number from 7 to 17 and m is 2 or 3,in the presence of a polar solvent in such amounts so that the molar ratio of the epoxide group to HN.sup.+ (R.sup.1).sub.3 SO.sub.3 H.sup.- is 2:1.
    Type: Grant
    Filed: July 14, 1993
    Date of Patent: September 6, 1994
    Assignee: Th. Goldschmidt AG
    Inventors: Gotz Koerner, Klaus-Dieter Klein, Dietmar Schaefer
  • Patent number: 5300666
    Abstract: The present invention relates to a series of novel silicone isethionate polymers, useful as detergents and softeners for hair, and fiber and conditioners skin. The compounds of the present invention are prepared by the reaction of a carboxy silicone with an isethionate to produce novel surface active materials useful in personal care applications like soap bars.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: April 5, 1994
    Assignees: Siltech Inc., Phoenix Chemical
    Inventors: John Imperante, Anthony J. O'Lenick, Jr.
  • Patent number: 5296625
    Abstract: The invention relates to a series of novel silicone alkoxylated esters which contain terminal carboxyl groups. This class of compounds provides unique solubility in many organic solvents as well as very substantive salts of the carboxylic acid when neutralized with base. The compounds of the present invention are prepared by reacting a the hydroxyl group in a silicone polymer with an anhydride.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: March 22, 1994
    Assignee: Siltech Inc.
    Inventors: Anthony J. O'Lenick, Jr., Jeff K. Parkinson, Robert T. Torbush
  • Patent number: 5284602
    Abstract: An N-(N'-long chain acyl-.beta.-alanyl)-.beta.-alanine represented by formula (1): ##STR1## wherein R represents a straight-chain or branched-chain alkyl or alkenyl group having from 7 to 23 carbon atoms; and M represents a hydrogen atom, an alkali metal, an ammonium, an alkylammonium, an alkanolammonium or a basic amino acid;or its salt and a detergent composition containing the same are disclosed.The detergent composition of the present invention is excellent in foaming power and gives a good feel after washing.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: February 8, 1994
    Assignee: Kao Corporation
    Inventors: Osamu Tachizawa, Masayo Kawaguchi, Kohshiro Sotoya
  • Patent number: 5274143
    Abstract: A process for the preparation of a tautomeric mixture of compounds of the formulas ##STR1## wherein W is hydrogen or C.sub.6 H.sub.13, which comprises treating a compound of the formula ##STR2## wherein R is unsubstituted or substituted alkoxy, arylalkoxy, aryloxy or amine and R.sup.1 is hydrogen or when R is alkoxy, substituted alkoxy, substituted amine, unsubstituted or substituted arylalkoxy R.sup.1 can also be metal, with a compound of the formula ##STR3## wherein W is as described above, both X and Y are reducible groups or X is hydrogen and Y is a reducible group or Y is hydrogen and X is a reducible group and, Z is hydroxy or a leaving group to form the compound of formula IV ##STR4## wherein W, X, Y and R are as defined above, the compound of formula IV is treated with a low valent metal to form a tautomeric mixture of compounds of formulas I and Ia, which are useful in the synthesis of tetrahydrolipstatin.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: December 28, 1993
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Keith M. Ramig, John J. Landi, Jr.
  • Patent number: 5252761
    Abstract: A branched monoester represented by the formula R.sup.1 COOR.sup.2 acts as a silicone-dissolving or solubilizing agent. In the formula, R.sup.1 is an isoalkyl group having 4 to 17 carbon atoms, and R.sup.2 is an isoalkyl group having 3 to 18 carbon atoms.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: October 12, 1993
    Assignee: The Nisshin Oil Mills, Ltd.
    Inventors: Tadashiro Hirose, Yoshihiro Ueda, Yoshiaki Takagi
  • Patent number: 5248783
    Abstract: The invention relates to a series of novel silicone alkoxylated ester salts which contain terminal carboxyl groups which have been neutralized with various fatty amine compounds. This class of compounds provides a high dense foam and unique solubility in many organic solvents as well as very substantive salts of the carboxylic acid when neutralized with base. The compounds of the present invention are prepared by reacting a the hydroxyl group in a silicone polymer with an anhydride, followed by neutralization with an amine.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: September 28, 1993
    Assignee: Siltech Inc.
    Inventor: Anthony J. O'Lenick
  • Patent number: 5164522
    Abstract: A cationic silicone compound which can be employed in a variety of environments, such as a fiber lubricant, textile fabric softener, hair conditioner, and skin conditioner.The cationic silicone is formed from an amino silicone compound which has the following Formula (I): ##STR1## wherein a, b, and c are 0-300; d is 0-4, preferably 1;R.sub.1 comprises hydrogen, an alkyl, aryl, alkynl, alkenyl, alkyloxyalkylene group which may be unsubstituted or substituted with P,N, or S moieties;R.sub.2 is defined the same as R.sub.1 and can also be a carboxylic acid residue preferably a fatty acid residues, with the proviso that where R.sub.2 is a carboxylic acid residue, the R.sub.1 attached to the terminal N is hydrogen;R.sub.3 is defined the same as R.sub.2 and can also be alkoxy, aryloxy or oxyalkylene groups;R.sub.4 is defined the same as R.sub.3 and can also be an amino-substituted alkyl group;Z.sub.1 and Z.sub.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: November 17, 1992
    Assignee: Karlshamns AB
    Inventors: James P. McCarthy, George H. Greene, Anthony G. DeWar
  • Patent number: 5136063
    Abstract: The invention relates to a series of novel silicone fatty esters. This class of compounds, provide outstanding softening and lubricating when applied to textiles and fibers. The compounds of the present invention are prepared by reacting a the hydroxyl group in a silicone polymer with a fatty carboxylic acid, ester or anhydride.
    Type: Grant
    Filed: June 18, 1990
    Date of Patent: August 4, 1992
    Assignee: Siltech Inc.
    Inventor: Anthony J. O'Lenick, Jr.