Patents by Inventor Stefan Hinrichs

Stefan Hinrichs has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20160297904
    Abstract: A process to form an ethylene-based polymer including polymerizing ethylene and at least one asymmetrical polyene comprising an “alpha, beta unsaturated-carbonyl end” (“?,? unsaturated-carbonyl end”) and a “C—C double bond end,” wherein the polymerization takes place in the presence of at least one free-radical initiator; and wherein the polymerization takes place in a reactor configuration comprising at least two reaction zones, reaction zone 1 and reaction zone i (i?2), wherein reaction zone i is downstream from reaction zone 1.
    Type: Application
    Filed: December 23, 2014
    Publication date: October 13, 2016
    Inventors: Otto J. Berbee, Stefan Hinrichs, Christopher R. Eddy, Sarat Munjal, John O. Osby, Sean W. Ewart
  • Patent number: 9416209
    Abstract: The invention provides a method of injecting a compressed “comonomer/compound mixture,” comprising a “comonomer comprising a carboxylic acid,” and at least one compound, into at least one reactor; said method comprising, adding the at least one compound to the comonomer to form the “comonomer/compound mixture,” prior to compressing and injecting the mixture into the reactor; and wherein the crystallization temperature, at pressure P, of the “comonomer/compound mixture” is at least 5° C.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: August 16, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Jeffery S. Bradley, Stefan Hinrichs
  • Patent number: 9394389
    Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus I2 relationship: Mw(abs)<A×[(I2)B], where A=5.00×102 (kg/mole)/(dg/min)B, and B=?0.40; and b) a MS versus I2 relationship: MS?C×[(I2)D], where C=13.5 cN/(dg/min)D, and D=?0.55.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: July 19, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Cornelis F. J. den Doelder, Teresa P. Karjala, Karl Zuercher, Jian Wang, Stefan Hinrichs
  • Patent number: 9334348
    Abstract: The invention provides an ethylene-based polymer comprising the following properties: A) a “weight fraction (w) of molecular weight greater than 106 g/mole, based on the total weight of polymer, and as determined by GPC(abs),” that meets the following relationship: w<A+B(I2), where A=0.090, and B=?4.00×10-3 (min/dg); B) a G? value that meets the following relationship: G?<C+D log(I2), where C=162 Pa, and D=?90.0 Pa/log (dg/min); C) a melt index (I2) from 1 to 20 dg/min; and D) chloroform extractable that has a maximum Mw(conv) of less than, or equal to, 4,000 g/mole.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: May 10, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Teresa P. Karjala, Cornelis F. J. den Doelder, Stefan Hinrichs
  • Publication number: 20160102155
    Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)?2.0 dg/min; b) a Mw(abs) versus I2 relationship: Mw(abs)<A+B(I2), where A=2.40×105 g/mole, and B=?8.00×103 (g/mole)/(dg/min); and c) a G? versus I2 relationship: G??C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min). The invention also provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)?2.0 dg/min; b) a G? versus I2 relationship: G??C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min) c) a chloroform extractable (Clext) versus G? relationship: Clext.?E+FG?, where E=0.20 wt %, and F=0.060 wt %/Pa; and d) a “weight fraction (w) of molecular weight greater than 106 g/mole, based on the total weight of polymer, and as determined by GPC(abs),” that meets the following relationship: w<I+J(I2), where I=0.080, and J=?4.00×10?3 min/dg.
    Type: Application
    Filed: December 17, 2015
    Publication date: April 14, 2016
    Inventors: Otto J. Berbee, Cornelis F.J. Den Doelder, Stefan Hinrichs, Teresa P. Karjala
  • Patent number: 9228036
    Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) a melt index (12)>2.0 dg/min; b) a Mw(abs) versus 12 relationship: Mw(abs)<A+B(I2), where A=2.40×105 g/mole, and B=?8.00×103 (g/mole)/(dg/min); and c) a G? versus 12 relationship: G?>C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min). The invention also provides an ethylene-based polymer comprising the following properties: a) a melt index (12)>2.0 dg/min; b) a G? versus 12 relationship: G?>C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min) c) a chloroform extractable (Clext) versus G? relationship: Clext.<E+FG?, where E=0.20 wt %, and F=0.060 wt %/Pa; and d) a “weight fraction (w) of molecular weight greater than 106 g/mole, based on the total weight of polymer, and as determined by GPC(abs),” that meets the following relationship: w<I?J(I2), where I=0.080, and J=?4.00×10?3 min/dg.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: January 5, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Cornelis F. den Doelder, Stefan Hinrichs, Teresa P. Karjala
  • Publication number: 20150299357
    Abstract: The invention provides a method of injecting a compressed “comonomer/compound mixture,” comprising a “comonomer comprising a carboxylic acid,” and at least one compound, into at least one reactor; said method comprising, adding the at least one compound to the comonomer to form the “comonomer/compound mixture,” prior to compressing and injecting the mixture into the reactor; and wherein the crystallization temperature, at pressure P, of the “comonomer/compound mixture” is at least 5° C.
    Type: Application
    Filed: December 27, 2013
    Publication date: October 22, 2015
    Inventors: Otto J. Berbee, Jeffery S. Bradley, Stefan Hinrichs
  • Publication number: 20150274856
    Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus 12 relationship: Mw(abs)<A×[(12)B], where A=5.00×102 (kg/mole)/(dg/min)B, and B=?0.40; and b) a MS versus 12 relationship: MS?C×[(12)D], where C=13.5 cN/(dg/min)D, and D=?0.55.
    Type: Application
    Filed: March 12, 2013
    Publication date: October 1, 2015
    Applicant: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Cornelis F.J. den Doelder, Teresa P. Karjala, Karl Zuercher, Jian Wang, Stefan Hinrichs
  • Publication number: 20140316094
    Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) a melt index (12)>2.0 dg/min; b) a Mw(abs) versus 12 relationship: Mw(abs)<A+B(I2), where A=2.40×105 g/mole, and B=?8.00×103 (g/mole)/(dg/min); and c) a G? versus 12 relationship: G?>C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min). The invention also provides an ethylene-based polymer comprising the following properties: a) a melt index (12)>2.0 dg/min; b) a G? versus 12 relationship: G?>C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min) c) a chloroform extractable (Clext) versus G? relationship: Clext.<E+FG?, where E=0.20 wt %, and F=0.060 wt %/Pa; and d) a “weight fraction (w) of molecular weight greater than 106 g/mole, based on the total weight of polymer, and as determined by GPC(abs),” that meets the following relationship: w<I?J(I2), where I=0.080, and J=?4.00×10?3 min/dg.
    Type: Application
    Filed: November 9, 2012
    Publication date: October 23, 2014
    Applicant: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Cornelis F. den Doelder, Stefan Hinrichs, Teresa P. Karjala
  • Publication number: 20140316096
    Abstract: The invention provides an ethylene-based polymer comprising the following properties: A) a “weight fraction (w) of molecular weight greater than 106 g/mole, based on the total weight of polymer, and as determined by GPC(abs),” that meets the following relationship: w<A+B(I2), where A=0.090, and B=?4.00×10-3 (min/dg); B) a G? value that meets the following relationship: G?<C+D log(I2), where C=162 Pa, and D=?90.0 Pa/log (dg/min); C) a melt index (I2) from 1 to 20 dg/min; and D) chloroform extractable that has a maximum Mw(conv) of less than, or equal to, 4,000 g/mole.
    Type: Application
    Filed: November 20, 2012
    Publication date: October 23, 2014
    Applicant: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Teresa P. Karjala, Cornelis F. den Doelder, Stefan Hinrichs
  • Patent number: 8859704
    Abstract: Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: October 14, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Christopher R. Eddy, Mehmet Demirors, Wallace W. Yau, Sarat Munjal, Stefan Hinrichs, Jian Wang, Otto J. Berbee, Werner Zschoch, Cornelis J. Hosman, Lonnie G. Hazlitt
  • Patent number: 8415442
    Abstract: Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: April 9, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Christopher R. Eddy, Mehmet Demirors, Wallace W. Yau, Sarat Munjal, Stefan Hinrichs, Jian Wang, Otto J. Berbee, Werner Zschoch, Cornelis J. Hosman, Lonnie G. Hazlitt
  • Publication number: 20110196105
    Abstract: In one aspect the invention is a reaction product comprising ethylene and at least one cyclic phosphine wherein the reaction product has a non-extractable phosphorous concentration of at least 10 parts per million by weight, and preferably a maximum of at least about 10000 ppm by weight, preferably wherein the reaction product has a density from about 0.90 to about 0.94 in grams per cubic centimeter, a molecular weight distribution (Mw/Mn) from about 2 to about 30.
    Type: Application
    Filed: February 8, 2010
    Publication date: August 11, 2011
    Applicant: Dow Global Technologies Inc.
    Inventors: Christopher R. Eddy, John O. Osby, Mehmet Demirors, Stefan Hinrichs
  • Publication number: 20110178253
    Abstract: Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.
    Type: Application
    Filed: October 1, 2009
    Publication date: July 21, 2011
    Applicant: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Christopher R. Eddy, Mehmet Demirors, Wallace W. Yau, Sarat Munjal, Stefan Hinrichs, Jian Wang, Otto J. Berbee, Werner Zschoch, Cornelis J. Hosman, Lonnie G. Hazlitt
  • Publication number: 20100087606
    Abstract: Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.
    Type: Application
    Filed: October 2, 2009
    Publication date: April 8, 2010
    Inventors: Teresa P. Karjala, Christopher R. Eddy, Mehmet Demirors, Wallace W. Yau, Sarat Munjal, Stefan Hinrichs, Jian Wang, Otto J. Berbee, Werner Zschoch, Cornelis J. Hosman, Lonnie G. Hazlitt, John O. Osby