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Daryl L Stein

from North Canton, OH
Age ~74

Daryl Stein Phones & Addresses

  • 6125 Sandy Ridge Cir NW, North Canton, OH 44720 (330) 966-4568
  • Canton, OH
  • Elgin, IL
  • 9667 Roundhouse Dr, West Chester, OH 45069 (513) 755-0523
  • 1404 Fawn Ct, Bolingbrook, IL 60490
  • East Lansing, MI
  • 6057 Sandy Ridge Cir NW, North Canton, OH 44720

Resumes

Resumes

Daryl Stein Photo 1

Department Chair, Chemistry

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Location:
North Canton, OH
Industry:
Higher Education
Work:
Stark State College
Department Chair, Chemistry
Education:
Michiagan State University 1973 - 1977
Doctorates, Doctor of Philosophy, Organic Chemistry
Daryl Stein Photo 2

Instructor

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Location:
6125 Sandy Ridge Cir northwest #northwest, North Canton, OH 44720
Industry:
Education Management
Work:
Stark State Technical College
Instructor
Education:
Michigan State University 1973 - 1973

Publications

Us Patents

Blends Of Phosphites And Antioxidants

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US Patent:
6770693, Aug 3, 2004
Filed:
Sep 25, 2001
Appl. No.:
09/962698
Inventors:
Daryl Stein - West Chester OH
Don R. Stevenson - Dover OH
Satyan R. Kodali - Dover OH
Marc Nolen - Dover OH
Assignee:
Dove Chemical Corporation - Dover OH
International Classification:
C08K 5526
US Classification:
524128, 524147, 524151, 25240024, 252404
Abstract:
This invention discloses blends of phosphites comprising bis-(2,4-dicumylphenyl) pentaerythritol diphosphite and hindered phenol antioxidants useful as stabilizers against thermooxidative degradation of polymers during melt processing. Polymer compositions comprising the blends show improved resistance to thermooxidative degradation during melt processing as measured by melt flow index and yellowness index.

Phosphite Stabilizing Composition And Method

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US Patent:
20010023270, Sep 20, 2001
Filed:
Apr 12, 2001
Appl. No.:
09/833776
Inventors:
Daryl Stein - North Canton OH, US
Marc Nolen - Dover OH, US
International Classification:
C08K005/04
C08K005/51
C09K003/00
US Classification:
524/128000, 524/394000, 252/389240
Abstract:
A stabilizer composition for polymers is provided comprising bis(2,4-dicumylphenyl) pentaerythritol diphosphite and at least one metal salt of the lactic acid, and optionally one or more additional phosphites and other antioxidants.

Functionalized Peroxides For Polymerization Reactions

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US Patent:
55435530, Aug 6, 1996
Filed:
Jun 6, 1995
Appl. No.:
8/469343
Inventors:
Daryl L. Stein - Bolingbrook IL
Assignee:
Elf Atochem North America, Inc. - Philadelphia PA
International Classification:
C07C27118
C07C27120
C07C40938
US Classification:
560 32
Abstract:
Novel functionalized peroxides which may be used as crosslinking, grafting and curing agents, initiators for polymerization reactions and as monomers for condensation polymerizations to form peroxy-containing polymers, which in turn can be used to prepare block and graft copolymers, have the following Formula I: ##STR1## R. sup. 1, R. sup. 2, R. sup. 3, R. sup. 4, R. sup. 5, R. sup. 6, R. sup. 7, X, Y. sup. 1, Y. sup. 2, Y. sup. 3, Z. sup. 1, Z. sup. 2, x, y and z are as defined in the Summary of the Invention.

Process For Polymerization Reactions With Functionalized Peroxides

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US Patent:
56124392, Mar 18, 1997
Filed:
Jun 6, 1995
Appl. No.:
8/467665
Inventors:
Daryl L. Stein - Bolingbrook IL
Assignee:
Elf Atochem North America, Inc. - Philadelphia PA
International Classification:
C08G 1828
C08G 6302
C08G 6902
C08G 7310
US Classification:
528 44
Abstract:
Novel functionalized peroxides which may be used as crosslinking, grafting and curing agents, initiators for polymerization reactions and as monomers for condensation polymerizations to form peroxy-containing polymers, which in turn can be used to prepare block and graft copolymers, have the following Formula I: ##STR1## R. sup. 1, R. sup. 2, R. sup. 3, R. sup. 4, R. sup. 5, R. sup. 6, R. sup. 7, X, Y. sup. 1, Y. sup. 2, Y. sup. 3, Z. sup. 1, Z. sup. 2, x, y and z are as defined in the Summary of the Invention. The compounds of Formula I may be prepared by reacting hydroxy-containing tertiary hydroperoxides with diacid halides, phosgene, dichloroformates, diisocyanates, anhydrides and lactones to form the functionalized peroxides. These reaction products may be further reacted, if desired, with dialcohols, diamines, aminoalcohols, epoxides, epoxy alcohols, epoxy amines, diacid halides, dichloroformates and diisocyanates to form additional functionalized peroxides.

Peroxide Masterbatches Using Polycaprolactone As The Carrier

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US Patent:
52389782, Aug 24, 1993
Filed:
Jan 2, 1992
Appl. No.:
7/816690
Inventors:
Daryl L. Stein - West Chester OH
Assignee:
Elf Atochem North America Inc. - Philadelphia PA
International Classification:
C08K 514
US Classification:
523351
Abstract:
A masterbatch composition is provided, comprising greater than about 10% to about 70% by weight of organic peroxide homogeneously dispersed in a polycaprolactone carrier. The peroxide masterbatches are safer and easier to store, ship, handle and use than the peroxides from which they are made. The use of the masterbatch compositions to modify a host polymer or resin to which the masterbatch is added is also disclosed.

Oxalic Acid Peroxide Compositions And Uses

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US Patent:
58667121, Feb 2, 1999
Filed:
Oct 10, 1997
Appl. No.:
8/948363
Inventors:
Jose Sanchez - Grand Island NY
Daryl L. Stein - West Chester OH
Assignee:
ELF Atochem North America, Inc. - Philadelphia PA
International Classification:
C07C22900
US Classification:
560170
Abstract:
A novel peroxide composition of Structure A, ##STR1## and use of the novel oxalic acid peroxide composition of Structure A as an initiator; a) for curing of unsaturated polyester resins, b) for polymerizing ethylenically unsaturated monomers, c) for crosslinking of polyolefins, d) for curing of elastomers, e) for modifying polyolefins, f) for grafting of vinyl monomers onto polymer backbones and g) for compatibilizing blends of two or more incompatible polymers are disclosed.

Process For Polymer Reaction With Functionalized Peroxides

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US Patent:
55367909, Jul 16, 1996
Filed:
Jun 6, 1995
Appl. No.:
8/467491
Inventors:
Daryl L. Stein - Bolingbrook IL
Assignee:
Elf Atochem North America, Inc. - Philadelphia PA
International Classification:
C07C 6996
C08L 2310
US Classification:
5253337
Abstract:
Novel functionalized peroxides which may be used as crosslinking, grafting and curing agents, initiators for polymerization reactions and as monomers for condensation polymerizations to form peroxy-containing polymers, which in turn can be used to prepare block and graft copolymers, have the following Formula I: ##STR1## R. sup. 1, R. sup. 2, R. sup. 3, R. sup. 4, R. sup. 5, R. sup. 6, R. sup. 7, X, Y. sup. 1, Y. sup. 2, Y. sup. 3, Z. sup. 1, Z. sup. 2, x, y and z are as defined in the Summary of the Invention. The compounds of Formula I may be prepared by reacting hydroxy-containing tertiary hydroperoxides with diacid halides, phosgene, dichloroformates, diisocyanates, anhydrides and lactones to form the functionalized peroxides. These reaction products may be further reacted, if desired, with dialcohols, diamines, aminoalcohols, epoxides, epoxy alcohols, epoxy amines, diacid halides, dichloroformates and diisocyanates to form additional functionalized peroxides.

Peroxyoxalates Derived From Hydroxy-Hydroperoxides

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US Patent:
59817879, Nov 9, 1999
Filed:
Oct 10, 1997
Appl. No.:
8/946751
Inventors:
Jose Sanchez - Grand Island NY
Daryl L. Stein - West Chester OH
Assignee:
Elf Atochem North America, Inc. - Philadelphia PA
International Classification:
C07C 6996
US Classification:
558263
Abstract:
Novel peroxyoxalate compositions of Structure A, ##STR1## and use of the novel monoperoxyoxalates of Structure A as initiators for polymerizing ethylenically unsaturated monomers and for curing of unsaturated polyester resins are disclosed.
Daryl L Stein from North Canton, OH, age ~74 Get Report