Patents Represented by Attorney W. J. Farrington
-
Patent number: 4924005Abstract: Substantially insoluble bismaleimide compositions consisting essentially of bismaleimides of the formula ##STR1## where R.sub.1 and R.sub.2 are independently hydrogen, methyl, ethyl or halogenated methyl. The phenyl groups may be substituted. The compositions, having a solubility in acetone of less than about 5% by wt., are useful as melt processable resins for high temperature resistant laminates.Type: GrantFiled: December 18, 1986Date of Patent: May 8, 1990Assignee: Monsanto CompanyInventor: Ronald H. Dahms
-
Patent number: 4604163Abstract: Grafted starch polymer solution of a low viscosity through the use of cinnamic acid material. The cinnamic acid material is incorporated into the grafted starch polymer which is prepared from starch and vinyl monomer, preferably acrylamide.Type: GrantFiled: October 17, 1985Date of Patent: August 5, 1986Assignee: Monsanto CompanyInventor: Donald N. Van Eenam
-
Patent number: 4588776Abstract: A polymer composition adapted for use in producing polyvinyl halide polymer products comprising a blend of a vinyl halide polymer and a particulate terpolymer having a molecular weight of at least about 100,000 and a glass transition temperature of at least about 50.degree. C. The terpolymer comprises repeating units derived from an olefin, a diester of an addition polymerizable unsaturated dicarboxylic acid, and a solubilizing monomer which promotes compatibility of the terpolymer with the vinyl halide polymer. A shaped plastic article produced from this composition, and method of producing the shaped article are also disclosed.Type: GrantFiled: June 29, 1984Date of Patent: May 13, 1986Assignee: Monsanto CompanyInventors: Vladimir Bekker, Wayne J. Buchheim, William Vanderlinde, Donald S. T. Wang
-
Patent number: 4574136Abstract: In a polyvinyl butyral (PVB) sheet plasticized with a multiester of an alcohol having 2 to 4 hydroxyl groups and a C.sub.16 to C.sub.20 unsaturated fatty acid having a hydroxyl group attached to the acid molecule, which sheet does not craze polycarbonate or polyacrylate when in contact therewith, the addition of a synergistically effective amount of a monoester of a glycol and such C.sub.16 to C.sub.20 acid improves the low temperature penetration resistance and adhesion properties of such sheet without significant loss in its resistance to stress cracking polycarbonate or polyacrylate in a laminated glass assembly.Type: GrantFiled: August 15, 1983Date of Patent: March 4, 1986Assignee: Monsanto CompanyInventor: I. Luis Gomez
-
Patent number: 4548996Abstract: Crystallizable hot melt adhesive compositions comprising block copolyesteramides and alkali metal carboxylates. The block copolyesteramides comprise hard or crystalline polyester blocks and soft or amorphous polyamide blocks in the weight ratio of 2:3 to 4:1. The alkali metal carboxylates provide a concentration of alkali metal cation in the range of 0.1 to 6 meq per 100 parts by weight of copolyesteramide. The hot melt adhesive compositions are useful for bonding plastic parts to form plastic structures which are relatively free of bond line distortion.Type: GrantFiled: January 9, 1984Date of Patent: October 22, 1985Assignee: Monsanto CompanyInventors: Donald D. Donermeyer, Joseph G. Martins, deceased, by Joseph C. Martins, executor
-
Patent number: 4537828Abstract: In a polyvinyl butyral (PVB) sheet plasticized with a multiester of an alcohol having 2 to 4 hydroxyl groups and a C.sub.16 to C.sub.20 unsaturated fatty acid having a hydroxyl group attached to the acid molecule, which sheet does not craze polycarbonate or polyacrylate when in contact therewith, the addition of a synergistically effective amount of a monoester of a glycol and such C.sub.16 to C.sub.20 acid improves the low temperature penetration resistance and adhesion properties of such sheet without significant loss in its resistance to stress cracking polycarbonate or polyacrylate in a laminated glass assembly.Type: GrantFiled: August 12, 1983Date of Patent: August 27, 1985Assignee: Monsanto CompanyInventor: I. Luis Gomez
-
Patent number: 4536562Abstract: Disclosed are liquid crystal copolyesters prepared from p-hydroxybenzoic acid, isophthalic and/or terephthalic acid, hydroquinone, and a mono-substituted hydroquinone wherein the substituent is selected from the group consisting of alkyls of 1 to 6 carbon atoms, phenyl and phenyl substituted with an alkyl of 1 to 6 carbon atoms, chloro, bromo, cyano, formyl, acetyl, and trifluoromethyl, wherein, when a specific amount of the hydroquinone is replaced by a specific substituted hydroquinone, the copolyester not only becomes more tractable but also unexpectedly more crystalline when compared to the unsubstituted copolyester.Type: GrantFiled: January 4, 1985Date of Patent: August 20, 1985Assignee: Monsanto CompanyInventor: Oliver D. Deex
-
Patent number: 4444951Abstract: Molding compositions are prepared from blends of (A) thermoplastic polynorbornene nitrile polymers; (B) styrene/maleic anhydride polymers; (C) at least one of the polymers selected from the group consisting of ABS polymers, MBS polymers, and styrene/acrylonitrile polymers. Component B, the styrene/maleic anhydride polymer may optionally contain a termonomer such as methylmethacrylate or acrylonitrile and a rubber component.Type: GrantFiled: April 11, 1983Date of Patent: April 24, 1984Assignee: Monsanto CompanyInventor: Robert A. Mendelson
-
Patent number: 4439571Abstract: The tendency to crosslink of polymer compositions comprising polymer units derived from acrylonitrile and maleic anhydride is controlled by the use of boron compounds selected from boron oxide, boron acids and esters of boron acids.Type: GrantFiled: September 24, 1981Date of Patent: March 27, 1984Assignee: Monsanto CompanyInventors: Daniel L. Dufour, Alva F. Harris, John B. Ott
-
Patent number: 4433086Abstract: The tendency of high temperatures to decompose polymer compositions comprising polymer units derived from maleic anhydride is controlled by the use of a tetrahalogenated aromatic dicarboxylic acid or anhydride thereof.Type: GrantFiled: December 18, 1981Date of Patent: February 21, 1984Assignee: Monsanto CompanyInventor: Alva F. Harris
-
Patent number: 4412017Abstract: Compositions suitable for bonding fibrous substrates comprise a liquid hydrophilic air-curing polymer and an unsaturated thermoplastic polymer latex.Type: GrantFiled: June 5, 1981Date of Patent: October 25, 1983Assignee: Monsanto CompanyInventor: Donald N. Van Eenam
-
Patent number: 4397975Abstract: The tendency to crosslink of polymer compositions comprising polymer units derived from acrylonitrile and maleic anhydride is controlled by the use of a sulfur acid.Type: GrantFiled: November 25, 1981Date of Patent: August 9, 1983Assignee: Monsanto CompanyInventor: Alva F. Harris
-
Patent number: 4387191Abstract: The tendency to crosslink of polymer compositions comprising polymer units derived from acrylonitrile and maleic anhydride is controlled by the use of an acid ester of a phosphorus acid.Type: GrantFiled: March 25, 1982Date of Patent: June 7, 1983Assignee: Monsanto CompanyInventors: Daniel L. Dufour, Alva F. Harris
-
Patent number: 4340692Abstract: The invention provides a stable polymeric additive useful for improving the wet strength of a cellulosic substrate. The additive is a water-soluble cationic thermosetting polymer incorporating a plurality of extralinear glycidyl quaternary ammonium groups. The invention also comprises a method of making such an additive.Type: GrantFiled: April 7, 1980Date of Patent: July 20, 1982Assignee: Monsanto CompanyInventor: Donald N. Van Eenam
-
Patent number: 4199493Abstract: Molding resins are disclosed which comprise a polyarylene ester containing recurring units derived from 1,2-bis(4-hydroxyphenyl)ethane, an inorganic reinforcing agent and a thermoplastic vinyl addition polymer. The reinforcing agent preferably comprises capsules in which glass fiber strands are encapsulated in collimated array within the thermoplastic vinyl addition polymer.Type: GrantFiled: July 14, 1978Date of Patent: April 22, 1980Assignee: Monsanto CompanyInventor: Massimo Baer
-
Patent number: 4185051Abstract: Pressure sensitive adhesives having improved color, cohesive strength and tack are obtained by reacting an acrylic interpolymer containing hydroxyl or carboxyl groups with a poly(metaloxane), poly(alkoxytitanoxanes) being particularly preferred.Type: GrantFiled: December 22, 1977Date of Patent: January 22, 1980Assignee: Monsanto CompanyInventors: Lawrence W. McKenna, Jr., Ronald S. Finkelstein, John K. Haynes, Jr.
-
Patent number: 4130605Abstract: Disclosed herein is a method for reducing dripping in flaming polystyrene compositions which method comprises incorporating into the polymer composition an effective amount of a polychloroprene rubber component in order to reduce dripping of the flaming composition.Type: GrantFiled: April 26, 1976Date of Patent: December 19, 1978Assignee: Monsanto CompanyInventor: Raymond A. Barkhuff, Jr.
-
Patent number: 4129681Abstract: Coating compositions comprising alkoxymethylaminotriazines, polyols and polyhydroxy oligomers which are useful for low temperature cure, are low in viscosity to allow ease of coating without the need for appreciable amounts of solvent thinners, and provide coatings free from the problems of crawling, cratering, pinholing and "orange peel" formation. The alkoxymethylaminotriazines are preferably alkoxymethylmelamines. The polyols are polymethylol cyclohexanes containing from 2 to 4 methylol groups. The polyhydroxy oligomers are polyesters or acrylic resins. The compositions may be cured in the presence of acid catalysts in the temperature range of 70.degree. to 105.degree. C.Type: GrantFiled: October 20, 1976Date of Patent: December 12, 1978Assignee: Monsanto CompanyInventors: George J. Anderson, Timothy F. Desmond, J. Owen Santer
-
Patent number: 4128694Abstract: A laminate comprising a sheet of the polycarbonate or polyacrylate resin in face-to-face contact with a sheet of polyvinyl butyral plasticized with an effective amount of a plasticizer which is at least a partial ester formed by reaction of an alcohol having from 2 to 4 hydroxyl groups and a C.sub.16 -C.sub.20 unsaturated fatty acid having a hydroxyl group attached to the acid molecule.Type: GrantFiled: May 9, 1977Date of Patent: December 5, 1978Assignee: Monsanto CompanyInventors: David A. Fabel, James A. Snelgrove, Robert H. Fariss
-
Patent number: 4126601Abstract: An abrasion resistant coating composition suitable for application to a substrate comprises a partially fluorinated polyvinyl acetal resin and polysilicic acid.Type: GrantFiled: October 7, 1977Date of Patent: November 21, 1978Assignee: Monsanto CompanyInventor: George E. Cartier