Chester S Sheppard

age ~97

from Buffalo, NY

Also known as:
  • Chester Etal Sheppard
  • Chester Shepparo
  • Chester Shephard
Phone and address:
726 Parkhurst Blvd, Buffalo, NY 14223
7168364948

Chester Sheppard Phones & Addresses

  • 726 Parkhurst Blvd, Buffalo, NY 14223 • 7168364948
  • Kenmore, NY
  • Angelica, NY
  • Belfast, NY
  • Attica, NY
  • Tonawanda, NY
  • 726 Parkhurst Blvd, Buffalo, NY 14223

Work

  • Position:
    Service Occupations

Education

  • Degree:
    Graduate or professional degree

Emails

s***9@yahoo.com

Us Patents

  • Tertiary Aliphatic Alpha-Peroxyazo Compounds

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  • US Patent:
    40751996, Feb 21, 1978
  • Filed:
    Dec 19, 1973
  • Appl. No.:
    5/426411
  • Inventors:
    Ronald Edward MacLeay - Williamsville NY
    Chester Stephen Sheppard - Tonawanda NY
    Harold Carl Lange - Grand Island NY
  • Assignee:
    Pennwalt Corporation - Philadelphia PA
  • International Classification:
    C07C10702
    B01J 2724
    C08J 900
    C08G 6312
  • US Classification:
    260192
  • Abstract:
    Tertiary-aliphatic alpha-peroxyazo compounds represented by the structure ##STR1## processes for preparing these compounds by reacting ##STR2## with salts or salt solutions of HOOH (III), (r"). sub. 3 cooh (iv), ##STR3## and the use of these novel compounds as polymerization initiators for vinyl monomers and as curing agents for resins. For example, 2-t-butylazo-2-(t-butylperoxy)-propane is prepared by reacting the potassium salt of t-butyl-hydroperoxide with 2-t-butylazo-2-chloropropane; and the product is used to cure unsaturated polyester resin at room temperature and to polymerize vinyl chloride at 20. degree. -30. degree. C.
  • Tertiary Aliphatic Amidazo Compound

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  • US Patent:
    42194768, Aug 26, 1980
  • Filed:
    May 14, 1976
  • Appl. No.:
    5/686603
  • Inventors:
    Ronald E. MacLeay - Williamsville NY
    Chester S. Sheppard - Kenmore NY
  • Assignee:
    Pennwalt Corporation - Philadelphia PA
  • International Classification:
    C07C10702
    C07C10706
    C08F 404
  • US Classification:
    260192
  • Abstract:
    An unsymmetrical azo compound having the formula ##STR1## is provided wherein R" is an alkyl or aralkyl and R. sub. 3 and R. sub. 4 are hydrogen or aliphatic. The compound is useful as a vinyl polymerization initiator, a polyester resin curing agent and a blowing agent for foamed plastics.
  • Symmetrical Bis(Unsymmetrical Tertiary-Alkyl And Tertiary- Aralkyl Azo) Compounds

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  • US Patent:
    39377610, Feb 10, 1976
  • Filed:
    Dec 26, 1973
  • Appl. No.:
    5/428494
  • Inventors:
    Ronald Edward Mac Leay - Williamsville NY
    Chester Stephen Sheppard - Tonawanda NY
  • Assignee:
    Pennwalt Corporation - Philadelphia PA
  • International Classification:
    C08L 3102
    C08L 2508
    C09B 3102
    C09B 2922
  • US Classification:
    260885
  • Abstract:
    Novel symmetrical bis(unsymmetrical t-alkyl and t-aralykl azo) compounds of the general formula I: R -- N = N -- R. sub. 12 -- N = N -- R' (I) wherein R = R' = (R"). sub. 3 C--, e. g. , 1,2-ethylene bis(4-t-butylazo-4-cyanovalerate); and the use of I for sequential generation of free radicals, e. g. styrene monomer and 1,2-ethylene bis(4-t-butylazo-4-cyanovalerate) are reacted to obtain polystyrene containing attached azo groups which in turn is reacted with methyl methacrylate monomer to obtain a block copolymer of polystyrene and poly(methyl methacrylate).
  • Tertiary Aliphatic Alpha-(Sulfo)-Azo Compounds

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  • US Patent:
    39622100, Jun 8, 1976
  • Filed:
    Mar 21, 1974
  • Appl. No.:
    5/453456
  • Inventors:
    Ronald Edward MacLeay - Williamsville NY
    Chester Stephen Sheppard - Tonawanda NY
  • Assignee:
    Pennwalt Corporation - Philadelphia PA
  • International Classification:
    C07C10702
  • US Classification:
    260192
  • Abstract:
    Novel t-aliphatic. alpha. -(sulfo) azo compounds: ##EQU1## and the use of compounds I as polymerization initiators for vinyl monomers and as curing agents for resins. For example, 2-t-butylazo-2-thiophenoxy-4-methylpentane, prepared by reacting a solution of thiophenol and sodium hydroxide in methanol with 2-t-butylazo-2-chloro-4-methylpentane at 10. degree. - 15. degree. C. , is used to cure an unsaturated polyester-styrene resin at 115. degree. C. and to polymerize styrene at 115. degree. C.
  • Coupled Peroxides

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  • US Patent:
    39651452, Jun 22, 1976
  • Filed:
    Jan 16, 1974
  • Appl. No.:
    5/433945
  • Inventors:
    Antonio Joseph D'Angelo - Englishtown NJ
    Orville Leonard Mageli - Kenmore NY
    Chester Stephen Sheppard - Kenmore NY
  • Assignee:
    Pennwalt Corporation - Philadelphia PA
  • International Classification:
    C07C17918
    C07C17920
  • US Classification:
    260471C
  • Abstract:
    A new class of compounds: R--W--R' were R and R' are identical oxy radicals containing peroxide functions such as dialkyl or diaralkyl peroxide, peroxyketal, peroxyester, or monoperoxycarbonate, and W is a carbonyl group, or carbonyl containing group, or an alkylidene or aralkylidene group, or a phosphorus containing group. Examples Di[1,3-dimethyl-3-(t-butylperoxy)butyl]carbonate; Di[1,3-dimethyl-3-(n-butoxycarbonylperoxy)butyl]carbonate; 2,2-Bis[3,3-di(t-butylperoxy)butoxy]propane; Di[1,3-dimethyl-3-(t-butylperoxy)butyl]ethyl phosphate. They are free radical affording compounds useful in crosslinking of polyolefins and unsaturated polymers, and for the polymerization of vinyl monomers and diolefinic monomers.
  • Polymerization Of Ethylenically Unsaturated Monomers Employing Catalyst Of Aliphatic .Alpha.-(Hydroperoxy)Azo Compounds And Salts Thereof

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  • US Patent:
    40630129, Dec 13, 1977
  • Filed:
    Apr 19, 1976
  • Appl. No.:
    5/678088
  • Inventors:
    Ronald Edward MacLeay - Williamsville NY
    Chester Stephen Sheppard - Tonawanda NY
  • Assignee:
    Pennwalt Corporation - Philadelphia PA
  • International Classification:
    C08F 400
    C08F 404
    C08F 1406
  • US Classification:
    526219
  • Abstract:
    New aliphatic azo compounds containing an. alpha. -hydroperoxy group and the alkali metal and alkaline earth metal salts thereof as represented by the general structure ##STR1## processes for preparing I where M is H and R is t-aliphatic by reacting t-aliphatic azo compounds having an. alpha. -halo substituent with about an equimolar amount of sodium or hydrogen peroxide; processes for converting I where M is H to its alkali or alkaline earth metal salt by reaction with aqueous solutions of the corresponding base or with calcium or sodium hydride; and the use of these novel compounds as polymerization initiators for vinyl monomers and as curing agents for resins. For example, 2-t-butylazo-2-hydroperoxy-4-methylpentane is prepared from sodium peroxide and 2-t-butylazo-2-chloro-4-methylpentane and used to polymerize vinyl chloride and to cure unsaturated polyester resin.
  • Azo Compounds Containing Acylating Function And Azo Containing Polymers

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  • US Patent:
    41015223, Jul 18, 1978
  • Filed:
    Feb 25, 1976
  • Appl. No.:
    5/661458
  • Inventors:
    Chester Stephen Sheppard - Tonawanda NY
    Ronald Edward MacLeay - Williamsville NY
  • Assignee:
    Pennwalt Corporation - Philadelphia PA
  • International Classification:
    C08G 6368
  • US Classification:
    528292
  • Abstract:
    A. A novel class of azo compounds R-N. dbd. N-R. sub. 1 where R and/or R. sub. 1 are groups containing an acylating function, e. g. , acyl chloride, chloroformate or anhydride. Example: Cis-4,4'-Azobis-(4-cyanovaleryl chloride). B. a novel class of azo containing polymers (R'--N. dbd. N--C(R. sub. 2)(R. sub. 2 ') --R. sub. 2 "--Y). sub. m --E--(Z). sub. n wherein R' is t-aliphatic, formed by reacting a polymer having at least one group reactive with an acyl group and a compound as in "A" containing only one acylating function. Example: the reaction product of 4-t-butylazo-4-cyanovaleryl chloride and hydroxyl terminated polybutadiene liquid resin. C. a novel class of azo containing polymers Z(E--Y--R. sub. 2 "--C(R. sub. 2)(R. sub. 2 ')--N. dbd. N--C(R. sub. 2)(R. sub. 2 ')--R. sub. 2 "--Y). sub. m' --E--Z, formed by the reaction of a compound as in "A" having two acylating functions with (1) a monomer having two acyl-reactive groups and a monomer having two acylating functions, or (2) a polymer having at least one acyl-reactive group. D.
  • Azo Free Radical Initiators Containing Ultraviolet Light Stabilizing Groups

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  • US Patent:
    39562697, May 11, 1976
  • Filed:
    Jan 22, 1974
  • Appl. No.:
    5/435623
  • Inventors:
    Chester S. Sheppard - Buffalo NY
    Ronald E. MacLeay - Buffalo NY
  • Assignee:
    Pennwalt Corporation - Philadelphia PA
  • International Classification:
    C07C10702
  • US Classification:
    260192
  • Abstract:
    Compounds which contain azo linkages as well as the radical of an ultraviolet light stabilizing group are described. These compounds function as polymerization initiators which cause an ultraviolet light stabilization group to be chemically bound to the polymer.

Youtube

Steve McWilliams VS Chester Sheppard

10/26/1989 Marriott Hotel, Irvine, California, United States.

  • Duration:
    20m 11s

Grand Opening Of Whitewater Recreation In Gre...

For more information this story and more, make sure to check out our w...

  • Duration:
    9m 24s

T.G. Sheppard - The Last Cheater's Waltz

T.G. Sheppard - The Last Cheater's Waltz (live) T. G. Sheppard (born B...

  • Duration:
    4m 20s

The Wilmington Chester Mass Choir - He Shephe...

Wilmington Chester Mass Choir - He Shepherds Me Live "He Shepherds Me"...

  • Duration:
    8m 52s

T. G. Sheppard - War Is Hell (On the Homefron...

War Is Hell (On the Homefront Too) by TG Sheppard (C) 1982 Curb Records.

  • Duration:
    3m 29s

T.G Sheppard - Last Cheaters Waltz

"T.G Sheppard is an American country music singer, who had 15 number o...

  • Duration:
    4m 35s

Googleplus

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Chester Sheppard

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Chester Sheppard Photo 3

Chester Sheppard

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Friends:
Chuck Mel Tompkins, Alonzo Edward Beadle, Shanna Gibbs, Anneke Sheppard
Chester Sheppard Photo 4

Chester Sheppard

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Classmates

Chester Sheppard Photo 5

Sylvia Chester New york ...

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Sylvia Chester <c:out value="1980" />graduate of Norman Thomas High School in New york ... Sylvia Chester (Sheppard)
Chester Sheppard Photo 6

Chester Sheppard

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Schools:
St. Augustine's Elementary School Bell Island Peru 1957-1961
Community:
James Davis, Norman Reid, Linda Purcell, Barry Babb, Byron Whiteway

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