Patents by Inventor Richard Herman Woudenberg
Richard Herman Woudenberg 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: 11401282Abstract: Method for storing and/or transporting GaCl3 involving the step of adding an aluminium compounds of the formula R3-xAlClx, wherein R is a linear or branched alkyl group with 1-8 carbon atoms and x is 0 or 1, to said GaCl3 in an Al/Ga molar ratio of at least 0.2, thereby forming a liquid formulation, followed by introducing said liquid formulation in a container.Type: GrantFiled: October 26, 2018Date of Patent: August 2, 2022Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.Inventor: Richard Herman Woudenberg
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Publication number: 20200325158Abstract: Method for storing and/or transporting GaCl3 involving the step of adding an aluminium compounds of the formula R3-xAlClx, wherein R is a linear or branched alkyl group with 1-8 carbon atoms and x is 0 or 1, to said GaCl3 in an Al/Ga molar ratio of at least 0.2, thereby forming a liquid formulation, followed by introducing said liquid formulation in a container.Type: ApplicationFiled: October 26, 2018Publication date: October 15, 2020Applicant: NOURYON CHEMICALS INTERNATIONAL B.V.Inventor: Richard Herman WOUDENBERG
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Publication number: 20200207786Abstract: Process for the preparation of a trimethyl metal compound with the formula M(CH3)3, said process comprising the step of reacting a trialkyl metal compound of the formula M(R)3 with trimethyl aluminium [AI(CH3)3] to form said trimethyl metal compound with the formula M(CH3)3, wherein M is selected from the group consisting of Ga and In, and R is a linear or branched alkyl group with 2 to 8 carbon atoms.Type: ApplicationFiled: August 25, 2016Publication date: July 2, 2020Inventors: Mabel Andrea CAIPA CAMPOS, Glen ROSINI, Richard Herman WOUDENBERG
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Patent number: 10323047Abstract: The present invention relates to a process to prepare alkylaluminoxanes by reaction of alkylaluminium with methacrylic acid or a conjugated unsaturated carbonyl-functional compound of the formula (I) wherein each R1 and R2 independently are an aliphatic hydrocarbon group, and R3 independently is the same hydrocarbon group as R1 and R2 or a hydrogen atom, and R4 isanaliphatic hydrocarbon group, a hydroxyl group or a hydrogen atom in the presence of an inert organic solvent. Additionally, it relates to the alkylaluminoxanes obtainable by the above process and their use.Type: GrantFiled: April 21, 2016Date of Patent: June 18, 2019Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Jelle Martin Bergsma, Peter Van Der Kruijs, Richard Herman Woudenberg
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Patent number: 10160774Abstract: Process for the production of a trimethyl metal compound with the formula M(CH3)3, said process comprising the steps of (i) reacting a metal trihalide MX3 with a trialkyl aluminium compound AI(R)3 to form a trialkyl metal compound M(R)3 and a dialkyl aluminium halide AI(R)2X, and (ii) reacting said trialkyl metal compound M(R)3 with either trimethyl aluminium [AI(CH3)3] or dimethylaluminium halide [AI(CH3)2X] to form said trimethyl metal compound M(CH3)3, wherein M is selected from the group consisting of Ga and In, X is a halogen, and R is a linear or branched alkyl group with 2 to 8 carbon atoms.Type: GrantFiled: August 25, 2016Date of Patent: December 25, 2018Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Mabel Andrea Caipa Campos, Glen Rosini, Richard Herman Woudenberg, Andy Kurniawan, Marcellinus Antonius Maria Te Nijenhuis
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Publication number: 20180244697Abstract: Process for the production of a trimethyl metal compound with the formula M(CH3)3, said process comprising the steps of (i) reacting a metal trihalide MX3 with a trialkyl aluminium compound AI(R)3 to form a trialkyl metal compound M(R)3 and a dialkyl aluminium halide AI(R)2X, and (ii) reacting said trialkyl metal compound M(R)3 with either trimethyl aluminium [AI(CH3)3] or dimethylaluminium halide [AI(CH3)2X] to form said trimethyl metal compound M(CH3)3, wherein M is selected from the group consisting of Ga and In, X is a halogen, and R is a linear or branched alkyl group with 2 to 8 carbon atoms.Type: ApplicationFiled: August 25, 2016Publication date: August 30, 2018Inventors: Mabel Andrea CAIPA CAMPOS, Glen ROSINI, Richard Herman WOUDENBERG, Andy KURNIAWAN, Marcellinus Antonius Maria TE NIJENHUIS
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Publication number: 20180134731Abstract: The present invention relates to a process to prepare alkylaluminoxanes by reaction of alkylaluminium with methacrylic acid or a conjugated unsaturated carbonyl-functional compound of the formula (I) wherein each R1 and R2 independently are an aliphatic hydrocarbon group, and R3 independently is the same hydrocarbon group as R1 and R2 or a hydrogen atom, and R4 isanaliphatic hydrocarbon group, a hydroxyl group or a hydrogen atom in the presence of an inert organic solvent. Additionally, it relates to the alkylaluminoxanes obtainable by the above process and their use.Type: ApplicationFiled: April 21, 2016Publication date: May 17, 2018Inventors: Jelle Martin BERGSMA, Peter VAN DER KRUIJS, Richard Herman WOUDENBERG
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Patent number: 9505788Abstract: The present invention relates to a process to prepare alkylaluminoxanes by reaction of alkylaluminium with a substituted allylic alcohol of the formula wherein each R1 and R2 independently are an aliphatic or aromatic hydrocarbon group, and R3, R4, and R5 each independently may be the same hydrocarbon group as R1 and R2 or a hydrogen atom in the presence of an inert organic solvent. Additionally, it relates to the alkylaluminoxanes obtainable by the above process and their use.Type: GrantFiled: October 24, 2014Date of Patent: November 29, 2016Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Peter van der Kruijs, Jelle Martin Bergsma, Richard Herman Woudenberg
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Publication number: 20160272658Abstract: The present invention relates to a process to prepare alkylaluminoxanes by reaction of alkylaluminium with a substituted allylic alcohol of the formula wherein each R1 and R2 independently are an aliphatic or aromatic hydrocarbon group, and R3, R4, and R5 each independently may be the same hydrocarbon group as R1 and R2 or a hydrogen atom in the presence of an inert organic solvent. Additionally, it relates to the alkylaluminoxanes obtainable by the above process and their use.Type: ApplicationFiled: October 24, 2014Publication date: September 22, 2016Inventors: Peter van der Kruijs, Jelle Martin Bergsma, Richard Herman Woudenberg
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Patent number: 8558021Abstract: The present invention relates to a process for the catalytic halogenation of an organic compound comprising at least one vicinal diol moiety, said process comprising a step of bringing the organic compound comprising at least one vicinal diol moiety into contact with a hydrogen halide in the presence of a catalyst, characterized in that the catalyst is an organic compound comprising a ?-diketone moiety or a ?-keto aldehyde moiety.Type: GrantFiled: March 17, 2010Date of Patent: October 15, 2013Assignee: Akzo Nobel N.V.Inventors: Antoon Jacob Berend Ten Kate, Richard Herman Woudenberg, Eilertdina Henderika Renkema, Luc Louis Theophile Vertommen, Carolina Anna Maria Christina Dirix, Tim Baks
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Publication number: 20120004432Abstract: The present invention relates to a process for the catalytic halogenation of an organic compound comprising at least one vicinal diol moiety, said process comprising a step of bringing the organic compound comprising at least one vicinal diol moiety into contact with a hydrogen halide in the presence of a catalyst, characterized in that the catalyst is an organic compound comprising a ?-diketone moiety or a ?-keto aldehyde moiety.Type: ApplicationFiled: March 17, 2010Publication date: January 5, 2012Applicant: AKZO NOBEL N.V.Inventors: Antoon Jacob Berend Ten Kate, Richard Herman Woudenberg, Eilertdina Henderika Renkema, Luc Louis Theophile Vertommen, Carolina Anna Maria Christina Dirix, Tim Baks
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Patent number: 6548710Abstract: The present invention relates to a process for preparing 1-indanones of formula I: and isomers thereof, wherein R1, R2, R3, R4, R5, and R6 independently represent H or a C1-C20 hydrocarbon group or R1 and R2 or R2 and R3 or R3 and R4 and/or R5 and R6 together with the carbon atoms to which they are attached form a saturated or unsaturated 5- or 6-membered ring, said hydrocarbon group and/or said ring optionally containing one or more hetero atoms, said ring optionally being substituted with a C1-C4 hydrocarbon group, said process comprising reacting a compound of formula II: wherein R1, R2, R3, R4, R5, and R6 have the same meaning as defined above, with a chlorinating agent, followed by reaction with a Friedel-Crafts catalyst. The invention further relates to the preparation of the corresponding indenes.Type: GrantFiled: October 31, 2001Date of Patent: April 15, 2003Assignee: Akzo Nobel N.V.Inventor: Richard Herman Woudenberg
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Patent number: 6414206Abstract: The present invention relates to a process for preparing bisindenylalkanes of formula I: wherein R1, R2, R3, and R4 independently represent H or a C1-C6 hydrocarbon group or R1 and R2 or R1 and R3 or R3 and R4 together with the carbon atoms to which they are attached form a saturated or unsaturated 5- or 6-membered ring, said ring being optionally substituted with a C1-C4 hydrocarbon group, and R5 represents a C1-C6 hydrocarbon group, comprising reacting, at a temperature which does not exceed about 5° C., a metallated indene of formula II with a disubstituted hydrocarbon of formula III: wherein R1, R2, R3, R4, and R5 have the same meaning as defined above, M represents a metal ion, and X independently represents a suitable leaving group, in a suitable reaction medium wherein the molar ratio of II to III is 2.05 or higher. The process is particularly suitable for preparing bisindenylethane, i.e., R1-R4 represent H and R5 represents an ethylene group.Type: GrantFiled: February 22, 2001Date of Patent: July 2, 2002Assignee: Akzo Nobel NVInventors: Richard Herman Woudenberg, Faysal Kalmoua
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Publication number: 20020077507Abstract: The present invention relates to a process for preparing 1-indanones of formula I: 1Type: ApplicationFiled: October 31, 2001Publication date: June 20, 2002Inventor: Richard Herman Woudenberg
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Patent number: 6376639Abstract: The invention pertains to a cross-linkable fluorinated polymer comprising the carbonate moiety having formula (I) wherein n=1-10 and m=0-9. Preferably, the polymer further comprises a cross-linkable moiety derived from a diol selected from (II) and (III) wherein A, A1, and A2 are independently a bond or C1-12 alkylene, or together with the carbon atoms to which they are bonded form a 5- or 6-membered ring; B is independently O or C1-4 alkyl; Q is —CO—C(=E)D, wherein D is H or C1-4 alkyl, and E is C1-6 alkylidene; and each of the alkyl, alkylene, and alkylidene groups may be halogenated. The polymers of the invention can be used in cladding layers or waveguides, in particular for thermo-optical devices.Type: GrantFiled: August 24, 1999Date of Patent: April 23, 2002Assignee: JDS Uniphase Photonics C.V.Inventors: Richard Herman Woudenberg, Tjerk Oedse Boonstra
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Publication number: 20010037043Abstract: The present invention relates to a process for preparing bisindenylalkanes of formula I: 1Type: ApplicationFiled: February 22, 2001Publication date: November 1, 2001Inventors: Richard Herman Woudenberg, Faysal Kalmoua
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Patent number: 6232430Abstract: The invention pertains to a cross-linker of the formula wherein n is 0 or 1; m is 0 or 1; R is and R1 is independently OH or —CO—O(hydroxyphenyl), or of the formula with the proviso that 3,4-dihydroxyphenylmaleimide is excluded. The invention further pertains to cross-linked optical polycarbonate and optical articles obtainable by cross-linking a polycarbonate with this cross-linker or with 3,4-dihydroxyphenylmaleimide.Type: GrantFiled: August 4, 1999Date of Patent: May 15, 2001Assignee: JDS Uniphase Photonics C.V.Inventors: Tjerk Oedse Boonstra, Richard Herman Woudenberg, David van Olden
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Patent number: 5942636Abstract: The invention relates to a process of preparing a 2-alkyl-2,3-dihydro-1H-benz?e!indene-1-one derivative, preferably 2,3-dihydro-2-methyl-benz?e!indene-1-one, characterized in that a naphthalene derivative is condensed with an active ester of 2-alkyl-2-propenoic acid, preferably with 2-methyl-2-propenoyl chloride. The product which is obtained in high yield and substantially free from its isomer is an intermediate in the preparation of rac-dimethyl bis(2-alkyl-1H-benz?e!indenyl)silandiyl zirconium dichloride complex.Type: GrantFiled: January 22, 1998Date of Patent: August 24, 1999Assignee: Akzo Nobel N.V.Inventors: Richard Herman Woudenberg, Heert Andringa
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Patent number: 5908916Abstract: The present invention is in the field of optical polymers, more particularly, optical polycarbonates for use in optical components.The present invention provides a cross-linkable or cross-linked optical polycarbonate built up from a monomer mixture comprising:compounds according to formula 1: ##STR1## wherein: P stands for --Cl, O--R, an imidazole group or --O--Ph, Q stands for --Cl, O--R, an imidazole group or --O--Ph,R stands for an alkylene group having 1-6 carbon atoms,Ph stands for phenyl,A stands for --Ph--, halogenated --Ph--, (halo)alkyl substituted --Ph, --Ph--Ph--, halogenated --Ph--Ph, --Ph--C(CH.sub.3).sub.2 --Ph--, --Ph--SO.sub.2 --Ph--, --Ph--C(CF.sub.3)--Ph--, halogenated --Ph--C(CH.sub.3).sub.2 --Ph, halogenated --Ph--C(CF.sub.3).sub.2 --Ph, phenolphtalein, --Ph--C(Ph).sub.2 --Ph,m is an integer from 0 to 5, with the A-groups being the same or different,optionally, diols, optionally, a dihydroxy-functionalised NLO-compound, and 2,3 dihydroxy propyl methacrylate as a crosslinker.Type: GrantFiled: March 7, 1997Date of Patent: June 1, 1999Assignee: Akzo Nobel N.V.Inventors: Richard Herman Woudenberg, Tjerk Oedse Boonstra, David van Olden
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Patent number: 5872882Abstract: The invention relates to non-linear optically active (NLO) polycarbonates and to NLO active waveguides containing these polycarbonates. Waveguides containing these NLO polycarbonates have a low loss of signal, a high glass transition temperature and good polability and a high stability of the Pockel's coefficient.Type: GrantFiled: October 30, 1997Date of Patent: February 16, 1999Assignee: Akzo Nobel NVInventors: Richard Herman Woudenberg, Tjerk Oedse Boonstra, Johannes Wilhelm Ladage, Ulfert Elle Wiersum