Patents by Inventor Rudolfus A. T. M. Van Benthem
Rudolfus A. T. M. Van Benthem 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).
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Patent number: 7678876Abstract: Hydroxy-aromatic compounds of formula (I) are provided: wherein at least one of the set consisting of R1, R3, and R5 is a group of formula (II); any remaining one or two of the set consisting of R1, R3, and R5 being H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; R2 and R4 are H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; wherein formula (II) is the following group: wherein EWG is an electron-withdrawing group.Type: GrantFiled: December 1, 2005Date of Patent: March 16, 2010Assignee: DSM IP Assets B.V.Inventors: Rudolfus A T M Van Benthem, Renier H M Kierkels
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Publication number: 20080194790Abstract: The invention relates to a hydroxy-aromatic compound of formula (I): wherein: at least one of the set consisting of R1, R3, and R5 is a group of formula (II); any remaining one or two of the set consisting of R1, R3, and R5 being H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; R2 and R4 are H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; formula (II) is the following group: wherein EWG is an electron-withdrawing group.Type: ApplicationFiled: December 1, 2005Publication date: August 14, 2008Inventors: Rudolfus A.T.M. Van Benthem, Renier H.M. Kierkels
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Patent number: 6740415Abstract: The invention relates to a radiation curable powder paint binder composition comprising a radiation curable compound being a mono or multi valent carboxylic ester of a &bgr;, &ggr;, &dgr;, or &egr;-hydroxyalkylamide group containing compound, in which the carboxylic ester is derived from an &agr;, &bgr;-ethylenically unsaturated carboxylic acid.Type: GrantFiled: January 5, 2001Date of Patent: May 25, 2004Assignee: DSM N.V.Inventors: Rudolfus A. T. M. Van Benthem, Saskia Udding-Louwrier, Johan F. G. A. Jansen, Aylvin J. A. A. Dias
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Patent number: 6730771Abstract: The invention relates to a condensation polymer, as well as to a process for preparation said polymers, having at least one dialkylamide endgroup connected through the polymer backbone to a unit derived from an alkylamide, the connection comprising at least one ester linkage. The polymer according to the invention can be linear or branched. The condensation polymers can be very widely used in technically different fields, both in thermosetting and in thermoplastic applications. The invention also relates to a composition comprising the condensation polymer according to the invention, an active substance and a polymer, as well as to a process for incorporating an active substance in an object comprising at least of a polymer composition, by bringing the object into contact with the active substance. More in particular, the invention relates to the dying of polymer fibers.Type: GrantFiled: September 25, 2001Date of Patent: May 4, 2004Assignee: DSM N.V.Inventors: Rudolfus A. T. M. Van Benthem, Peter E. Froehling
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Publication number: 20030232997Abstract: A powder paint binder composition is useful for the preparation of a powder paint composition which includes, as crosslinking agent, an aromatic bisoxazoline obtained by reacting an aromatic carboxylic acid or an ester thereof with an alkanolamine to obtain an hydroxylamide. The hydroxyalkylamide is converted into an aromatic bisoxazoline in the presence of a catalyst. The catalyst includes phosphinic acid, (C1-C26) alkyl phosphinic acid, (C6-C20) aryl phosphinic acid or an ester or an anhydride derived from one of these acids. Powder paint compositions including the powder paint binder composition form coatings by curing the powder paint. The aromatic bisoxazlines are also useful as chain-extending agents for polymers such as polyamides and polyesters.Type: ApplicationFiled: June 24, 2003Publication date: December 18, 2003Inventors: Rudolfus A.T.M. Van Benthem, Jacobus A. Loontjens, Patrick H.M. Hendriks, Bartholomeus J.M. Plum
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Patent number: 6660869Abstract: The invention relates to a process for the preparation of an aromatic bisoxazoline in which, in a first step, an aromatic carboxylic acid or an ester hereof reacts with an alkanolamine, after which the hydroxyalkylamide obtained is in a second step converted into an aromatic bisoxazoline in the presence of a catalyst. The catalyst is phosphinic acid, a (C1-C26) alkyl phosphinic acid, a (C6-C20)aryl phosphinic acid or an ester or an anhydride derived from one of these acids.Type: GrantFiled: January 10, 2002Date of Patent: December 9, 2003Assignee: DSM N.V.Inventors: Rudolfus A. T. M. Van Benthem, Jacobus A. Loontjens, Patrick H. M. Hendriks, Bartholomeus J. M. Plum
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Patent number: 6645636Abstract: A condensation polymer, obtained through reaction of an alkanolamide and a cyclic anhydride to form a hydroxyalkylamide, followed by polycondensation of the hydroxyalkylamide, has at least two carboxylic acid end groups connected to an alkylamide groups via an ester linkage. The polymers may be used in powder paint compositions.Type: GrantFiled: September 24, 2001Date of Patent: November 11, 2003Assignee: DSM N.V.Inventor: Rudolfus A. T. M. Van Benthem
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Publication number: 20030149224Abstract: The invention is related to a thermosetting composition containing a functional resin with —OH or —NH2 groups, a functionality of more than 2, and a crosslinking agent, wherein the crosslinking agent is a carbonylbislactamate. The composition preferably contains also an acid or a base as a catalyst. The invention further relates to the use of a carbonylbislactamate for curing of a functional resin with —OH or —NH2 groups and a functionality of more than 2.Type: ApplicationFiled: December 13, 2002Publication date: August 7, 2003Inventors: Jacobus A Loontjens, Rudolfus A T M Van Benthem, Bartholomeus J M Plum, Johan Rietberg
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Patent number: 6541110Abstract: The invention relates to a condensation polymer, as well as to a process for preparation said polymers, having at least one dialkylamide endgroup connected through the polymer backbone to a unit derived from an alkylamide, the connection comprising at least one ester linkage. The polymer according to the invention can be linear or branched. The condensation polymers can be very widely used in technically different fields, both in thermosetting and in thermoplastic applications. The invention also relates to a composition comprising the condensation polymer according to the invention, an active substance and a polymer, as well as to a process for incorporating an active substance in an object comprising at least of a polymer composition, by bringing the object into contact with the active substance. More in particular, the invention relates to the dying of polymer fibres.Type: GrantFiled: May 21, 2002Date of Patent: April 1, 2003Assignee: DSM N.V.Inventors: Rudolfus A. T. M. Van Benthem, Peter E. Froehling
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Publication number: 20020137880Abstract: The invention relates to a condensation polymer, as well as to a process for preparation said polymers, having at least one dialkylamide endgroup connected through the polymer backbone to a unit derived from an alkylamide, the connection comprising at least one ester linkage. The polymer according to the invention can be linear or branched. The condensation polymers can be very widely used in technically different fields, both in thermosetting and in thermoplastic applications. The invention also relates to a composition comprising the condensation polymer according to the invention, an active substance and a polymer, as well as to a process for incorporating an active substance in an object comprising at least of a polymer composition, by bringing the object into contact with the active substance. More in particular, the invention relates to the dying of polymer fibres.Type: ApplicationFiled: May 21, 2002Publication date: September 26, 2002Inventors: Rudolfus A.T.M. Van Benthem, Peter E. Froehling
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Publication number: 20020091203Abstract: The invention relates to a process for the preparation of an aromatic bisoxazoline in which, in a first step, an aromatic carboxylic acid or an ester hereof reacts with an alkanolamine, after which the hydroxyalkylamide obtained is in a second step converted into an aromatic bisoxazoline in the presence of a catalyst. The catalyst is phosphinic acid, a (C1-C26) alkyl phosphinic acid, a (C6-C20) aryl phosphinic acid or an ester or an anhydride derived from one of these acids.Type: ApplicationFiled: January 10, 2002Publication date: July 11, 2002Inventors: Rudolfus A.T.M. Van Benthem, Jacobus A. Loontjens, Patrick H.M. Hendriks, Bartholomeus J.M. Plum
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Patent number: 6392006Abstract: The invention relates to a linear or branched polymer containing ester groups and at least one amidegroup in the backbone, having hydroxyalkylamide end groups and having a weight average molecular mass of ≧800 g/mol. The invention also relates to an entirely or partly modified polymer. The polymer according to the invention can for example be obtained by reaction of a cyclic anhydride and an alkanolamine to form a &bgr;-hydroxyalkylamide, after which a polyesteramide is obtained through polycondensation. The polymers according to the invention can, for example, be used in thermosetting powder-paint compositions.Type: GrantFiled: March 24, 2000Date of Patent: May 21, 2002Assignee: DSM N.V.Inventors: Rudolfus A. T. M. Van Benthem, Johan Rietberg, Dirk A. W. Stanssens
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Patent number: 6387496Abstract: The invention relates to a linear or branched polymer containing ester groups and at least one amide group in the backbone, having hydroxyalkylamide end groups and having a weight average molecular mass of ≧800 g/mol. The invention also relates to an entirely or partly modified polymer. The polymer according to the invention can for example be obtained by reaction of a cyclic anhydride and an alkanolamine to form a &bgr;-hydroxyalkylamide, after which a polyesteramide is obtained through polycondensation. The polymers according to the invention can, for example, be used in thermosetting powder-paint compositions.Type: GrantFiled: August 30, 2001Date of Patent: May 14, 2002Assignee: DSM N.V.Inventors: Rudolfus A. T. M. Van Benthem, Johan Rietberg, Dirk A. W. Stanssens
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Publication number: 20020055609Abstract: The invention relates to a linear or branched polymer containing ester groups and at least one amidegroup in the backbone, having hydroxyalkylamide end groups and having a weight average molecular mass of ≧800 g/mol. The invention also relates to an entirely or partly modified polymer.Type: ApplicationFiled: August 30, 2001Publication date: May 9, 2002Applicant: DSM N.V.Inventors: Rudolfus A.T.M. Van Benthem, Johan Rietberg, Dirk A.W. Stanssens
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Publication number: 20020035236Abstract: The invention relates to a condensation polymer having at least one carboxylic acid end group connected to an alkylamide group via an ester linkage.Type: ApplicationFiled: September 24, 2001Publication date: March 21, 2002Applicant: DSM N.V. Het Overloon 1,6411 TE Heerlen, the NetherlandsInventor: Rudolfus A.T.M Van Benthem
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Publication number: 20020019509Abstract: The invention relates to a condensation polymer, as well as to a process for preparation said polymers, having at least one dialkylamide endgroup connected through the polymer backbone to a unit derived from an alkylamide, the connection comprising at least one ester linkage. The polymer according to the invention can be linear or branched. The condensation polymers can be very widely used in technically different fields, both in thermosetting and in thermoplastic applications. The invention also relates to a composition comprising the condensation polymer according to the invention, an active substance and a polymer, as well as to a process for incorporating an active substance in an object comprising at least of a polymer composition, by bringing the object into contact with the active substance. More in particular, the invention relates to the dying of polymer fibers.Type: ApplicationFiled: September 25, 2001Publication date: February 14, 2002Applicant: DSM N.V.Inventors: Rudolfus A.T.M. Van Benthem, Peter E. Froehling
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Publication number: 20020019467Abstract: The invention relates to a powder paint binder composition which contains a compound comprising carboxylic acid units, a compound comprising hydroxyalkyl amide units and as catalyst phosphinic acid, a (C1-C26) alkylphosphinic acid, a (C6-C20) arylphosphinic acid or an ester or an anhydride derived from one of these acids. Highly suitable as catalyst for this reaction are phosphinic acid, phenylphosphinic acid and diylphosphine ester acid.Type: ApplicationFiled: August 23, 2001Publication date: February 14, 2002Applicant: DSM N.V.Inventors: Rudolfus A.T.M. Van Benthem, Patrick H.M. Hendricks, Johan Rietberg
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Publication number: 20010007010Abstract: The invention relates to a radiation curable powder paint binder composition comprising a radiation curable compound being a mono or multi valent carboxylic ester of a &bgr;, &ggr;, &dgr;, or &egr;-hydroxyalkylamide group containing compound, in which the carboxylic ester is derived from an &agr;, &bgr;-ethylenically unsaturated carboxylic acid.Type: ApplicationFiled: January 5, 2001Publication date: July 5, 2001Inventors: Rudolfus A.T.M. Van Benthem, Saskia Udding-Louwrier, Johan F.G.A. Jansen, Aylvin J.A.A. Dias
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Publication number: 20010006730Abstract: The invention relates to a polymer having at least one group derived from a carboxylic ester of a hydroxyalkylamide and an &agr;,&bgr;-ethylenically unsaturated carboxylic acid and a radiation curable composition comprising this polymer.Type: ApplicationFiled: January 8, 2001Publication date: July 5, 2001Inventors: Rudolfus A.T.M. Van Benthem, John F.G.A. Jansen, Aylvin J.A.A. Dias
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Patent number: 6245829Abstract: The invention relates to a radiation curable composition comprising a mono or mulit valent carboxylic ester of a &bgr;-hydroxyalkylamide group containing compound, in which the carboxylic ester is derived from an &agr;,&bgr;-ethylenically unsaturated carboxylic acid. A coating composition based on this composition has a high rate of polymerisation and shows the desired chemical and mechanical properties.Type: GrantFiled: July 29, 1999Date of Patent: June 12, 2001Assignee: DSM NVInventors: Theodoor H. Meij, Marten Houweling, Aylvin J. A. A. Dias, Johan F. G. A. Jansen, Rudolfus A. T. M. Van Benthem