Patents Represented by Attorney James G. Carter
  • Patent number: 4064157
    Abstract: Polyisocyanates are stabilized against discoloration by the addition of certain hindered phenols such as o,o-di-n-octadecyl-3,5-di-tert-butyl-4-hydroxyl benzyl phosphonate.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: December 20, 1977
    Assignee: The Dow Chemical Company
    Inventors: John L. Nafziger, John M. Motes
  • Patent number: 4060509
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as triethyl phosphate.
    Type: Grant
    Filed: May 19, 1976
    Date of Patent: November 29, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4048102
    Abstract: Menthanediamine, isophorone diamine and the like compounds have been discovered to be an effective substitute for 4,4'-methylenebis(2-chloroaniline) in the preparation of flexible polyurethane foams. This substituted crosslinker is not suspected of being carcinogenic.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: September 13, 1977
    Assignee: The Dow Chemical Company
    Inventors: Billy Quock, Don Howard Kelley, Sehon Lester Warneke
  • Patent number: 4038235
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as a cyclic sulfone.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: July 26, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4038238
    Abstract: Low density polyurethanes having the ability to reproduce mold detail in excellent quality from rapid-setting polyurethane-forming compositions are obtained by mixing a rapid-setting polyurethane-forming composition with light weight hollow spheres or microballoons and a liquid viscosity reducing agent such as xylene.
    Type: Grant
    Filed: August 29, 1973
    Date of Patent: July 26, 1977
    Assignee: The Dow Chemical Company
    Inventor: Thomas E. Cravens
  • Patent number: 4036820
    Abstract: A process is described for preparing rapid-setting polyurethanes which comprises admixing in the absence of a catalyst a liquid polyol component with a liquid polyisocyanate component wherein the temperature of said components prior to mixing is such that the resultant mixture has a temperature of at least 50.degree. C and will result in a peak exotherm temperature of at least 85.degree. C.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: July 19, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4035331
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compounds having a boiling point above about 150.degree. C such as a mixture of 1-chloronaphthalene, butyl oleate and 3-methylsulfolane.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: July 12, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4028312
    Abstract: Oxazolines such as 2-(1,1-bis(hydroxymethyl)ethyl)-2-oxazoline have been found to be an effective crosslinker, curing agent or chain extender for polyurethanes.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: June 7, 1977
    Assignee: The Dow Chemical Company
    Inventors: Clifford L. Ball, Harry A. Smith
  • Patent number: 4028299
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as an organic carbonate.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: June 7, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4028303
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as a polyoxyalkylene polyol relatively high in molecular weight or capped derivatives thereof.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: June 7, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4028304
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as a chlorinated aliphatic compound.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: June 7, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4028296
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as a cyclic ether.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: June 7, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4028301
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as a glycerine initiated polyoxyalkyleane compound.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: June 7, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4020034
    Abstract: Coatings having good weatherability characteristics are obtained by curing an epoxy resin which is an adduct of glycidol and an aliphatic or cycloaliphatic diisocyanate such as hexamethylene diisocyanate with an aliphatic or cycloaliphatic acid or anhydride such as tetrahydrophthalic anhydride.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: April 26, 1977
    Assignee: The Dow Chemical Company
    Inventor: Edward R. Freiter
  • Patent number: 4008185
    Abstract: Rapid-setting polyurethanes are prepared from organic aromatic polyisocyanates and polyols having an average functionality of 2-8 and an equivalent weight less than 500 by admixture thereof in the presence of a non-amine nitrogen-containing compound such as urea as a catalyst therefor.
    Type: Grant
    Filed: March 29, 1974
    Date of Patent: February 15, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4007230
    Abstract: Synergistic antioxidant compositions consisting of certain hindered phenols such as 2,4-dimethyl-6-octyl phenol and 4,4'-bis (.alpha.,.alpha.-dimethylbenzyl) diphenyl amine are useful to stabilize polyether polyols against oxidative degradation and prevent scorch in polyurethane foams prepared from the polyether polyols.
    Type: Grant
    Filed: February 24, 1975
    Date of Patent: February 8, 1977
    Assignee: The Dow Chemical Company
    Inventor: Kenneth J. Hinze
  • Patent number: 4007139
    Abstract: Reaction products of isocyanuric acid and derivatives thereof such as hydroxy-phenyl isocyanuric acid reacted with 1,2-epoxy-containing compounds such as a mixture of propylene oxide and phenyl glycidyl ether have been discovered to be effective substitutes for 4,4'-methylene-bis(2-chloroaniline) as a crosslinker in high resiliency, flexible, polyurethane foams. The crosslinkers of the present invention are not presently suspected of being carcinogenic.
    Type: Grant
    Filed: January 24, 1975
    Date of Patent: February 8, 1977
    Assignee: The Dow Chemical Company
    Inventor: Arthur E. Gurgiolo
  • Patent number: 4001166
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an organic aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as trichlorobenzene.
    Type: Grant
    Filed: October 10, 1973
    Date of Patent: January 4, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4001165
    Abstract: Mixtures comprising a low molecular weight diol, a liquid modifier compound having a boiling point above about 150.degree. C, such as an aromatic compound or partially hydrogenated aromatic compound, a polyisocyanate having a functionality of at least about 2.5 and an organometallic catalyst instantly set, after a brief induction period, to a solid, dense, rigid polymeric product which can be demolded within a period of from less than 1 minute to about 5 minutes.
    Type: Grant
    Filed: December 7, 1973
    Date of Patent: January 4, 1977
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski
  • Patent number: 4000105
    Abstract: Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as dioctylphthalate.
    Type: Grant
    Filed: October 10, 1973
    Date of Patent: December 28, 1976
    Assignee: The Dow Chemical Company
    Inventor: Franciszek Olstowski