Patents by Inventor Rudolf J. Dams

Rudolf J. Dams 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: 20220307193
    Abstract: A fluorine-free treating composition that includes Component A and Component B, wherein: Component (A) includes one or more polymeric compounds derived from the polymerization of at least one (meth)acrylate monomer comprising at least one hydrocarbon group having from 1 to 60 carbon atoms and at least one isocyanate-derived group, and Component (C) includes one or more polycarbodiimide compounds.
    Type: Application
    Filed: June 10, 2022
    Publication date: September 29, 2022
    Inventors: Dirk M. Coppens, Rudolf J. Dams
  • Patent number: 11421378
    Abstract: A fluorine-free composition includes at least one polycarbodiimide compound derived from a carbodiimidization reaction of a carbodiimidization reaction mixture comprising at least one oligomer, wherein the oligomer comprises at least one isocyanate end group and at least two repeating units, wherein each of the at least two repeating units comprises at least one hydrocarbon group having at least 16 carbon atoms. The composition may also include at least one paraffin wax. Such compositions are useful for treating fibrous substrates to enhance their water-repellency.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: August 23, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Dirk M. Coppens, Rudolf J. Dams, Chetan P. Jariwala, Lin Chen
  • Patent number: 11377785
    Abstract: A fluorine-free treating composition that includes Component A and at least one of Components B and C, wherein: Component (A) includes one or more polymeric compounds derived from the polymerization of at least one (meth)acrylate monomer comprising at least one hydrocarbon group having from 1 to 60 carbon atoms; Component (B) includes one or more compounds derived from reaction, in one or more steps, of components comprising: (i) at least one isocyanate-reactive oligomer comprising 2 to 20 repeating units, or an alcohol having at least one linear or branched hydrocarbon group having from 16 to 40 carbon atoms and optionally one or more ester groups; (ii) at least one polyisocyanate; (iii) optionally at least one additional isocyanate-reactive compound; and (iv) optionally at least one isocyanate blocking agent; and Component (C) includes one or more polycarbodiimide compounds.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: July 5, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Dirk M. Coppens, Rudolf J. Dams
  • Patent number: 11124918
    Abstract: A fluorine-free composition includes at least one polycarbodiimide compound derived from a carbodiimidization reaction of a carbodiimidization reaction mixture comprising at least one oligomer, wherein the oligomer comprises at least one isocyanate end group and at least two repeating units, wherein each of the at least two repeating units comprises at least one hydrocarbon group having at least 16 carbon atoms. The composition may also include at least one paraffin wax. Such compositions are useful for treating fibrous substrates to enhance their water-repellency.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: September 21, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Dirk M. Coppens, Rudolf J. Dams, Chetan P. Jariwala, Lin Chen
  • Publication number: 20210188760
    Abstract: The present disclosure relates to a process for the purification of a perfluorocarbon composition from a mixture comprising the perfluorocarbon composition and at least one non-perfluorinated hydrofluorocarbon compound, wherein the process comprises the steps of: A. providing a continuous reactor comprising at least one reaction channel and mixing means; B. providing reactants and reagents comprising: a) a mixture comprising a perfluorocarbon composition and at least one non-perfluorinated hydrofluorocarbon compound; b) a basic compound; and c) optionally, a liquid medium; and C. incorporating the reactants and reagents into the reaction channel of the continuous reactor, thereby forming a reaction product stream comprising the purified perfluorocarbon composition.
    Type: Application
    Filed: December 16, 2020
    Publication date: June 24, 2021
    Inventors: Rudolf J. Dams, Rudy W. Van Campenhout, Matthias Conradi
  • Patent number: 11008278
    Abstract: A method of making a benzophenonyl (alk)acrylic ester comprising adding to a mixing chamber of a microflow reactor a benzophenone alcohol, a benzophenone alcohol or substituted benzophenone alcohol comprising at least one hydroxy moiety, one or more bases, a polar liquid, an (alk)acryloyl halide or 3-haloalkylcarboxyl halide, and an organic liquid that is immiscible with the polar liquid; and producing a product stream comprising one or more benzophenonyl (alk)acrylic esters and one or more salts of the one or more bases; wherein the product stream has an organic portion and a polar portion, the organic portion of the product stream comprising the benzophenonyl (alk)acrylic ester, unreacted benzophenone alcohol or substituted benzophenone alcohol, and organic byproducts in the product stream; and further wherein either (a) the organic liquid comprises a compound of Formula (I); or (b) the method further comprises adding a compound of Formula (I) to the product stream; or (c) the organic liquid comprises a com
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: May 18, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Rudy W. Van Campenhout
  • Publication number: 20210130280
    Abstract: A method of making a benzophenonyl (alk)acrylic ester comprising adding to a mixing chamber of a microflow reactor a benzophenone alcohol, a benzophenone alcohol or substituted benzophenone alcohol comprising at least one hydroxy moiety, one or more bases, a polar liquid, an (alk)acryloyl halide or 3-haloalkylcarboxyl halide, and an organic liquid that is immiscible with the polar liquid; and producing a product stream comprising one or more benzophenonyl (alk)acrylic esters and one or more salts of the one or more bases; wherein the product stream has an organic portion and a polar portion, the organic portion of the product stream comprising the benzophenonyl (alk)acrylic ester, unreacted benzophenone alcohol or substituted benzophenone alcohol, and organic byproducts in the product stream; and further wherein either (a) the organic liquid comprises a compound of Formula (I); or (b) the method further comprises adding a compound of Formula (I) to the product stream; or (c) the organic liquid comprises a com
    Type: Application
    Filed: June 7, 2018
    Publication date: May 6, 2021
    Inventors: Rudolf J. Dams, Rudy W. Van Campenhout
  • Patent number: 10968156
    Abstract: The present disclosure relates to a process for the manufacturing of a 3-5 halopropionylhalide, wherein the process comprises the steps of: a) providing a flow reactor comprising a reaction chamber; b) providing reactants comprising: i. acrylic acid; ii. a reaction co-agent selected from the group consisting of N,N-0 disubstituted amides; and iii. a halogenating agent; and c) incorporating the reactants into the reaction chamber of the flow reactor, thereby forming a reaction product stream comprising a 3-halopropionyl-halide; wherein the molar ratio of acrylic acid to the halogenating agent is 1 to at least 5 0.8; wherein the temperature of the reaction chamber of the flow reactor is greater than 60° C.; and wherein the residence time of the reaction product stream comprising the 3-halopropionylhalide in the reaction chamber of the flow reactor is greater than 10 minutes.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: April 6, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Rudy W. Van Campenhout, Matthias Conradi, Marine Movsisyan, Christian Stevens
  • Patent number: 10927064
    Abstract: The present disclosure relates to a process for the manufacturing of a compound comprising a (meth)acryloyl group, wherein the process comprises the steps of: a) providing a multi-screw extruder comprising a reaction chamber; b) providing reactants and reagents comprising: i. an alcohol or a primary or secondary amine; ii. a base; and iii. a (meth)acryloyl halide or a 3-halopropionyl halide; and c) incorporating the reactants and reagents into the reaction chamber of the multi-screw extruder, thereby forming a reaction product stream comprising the compound comprising a (meth)acryloyl group.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: February 23, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Rudy W. Van Campenhout, Rudolf J. Dams, Eike H. Klunker, Matthias Conradi, Siegfried R. Goeb
  • Publication number: 20200407307
    Abstract: The present disclosure relates to a process for the manufacturing of a (meth)acrylic anhydride, wherein the process comprises the steps of: A. providing a flow reactor comprising a reaction chamber; B. providing reactants and reagents comprising: a) a (meth)acryloyl halide; b) an organic solvent; c) a (meth)acrylic acid; d) and either: i. a tertiary amine; or ii. an inorganic base and a polar solvent; and C. incorporating the reactants and reagents into the reaction chamber of the flow reactor, thereby forming a reaction product stream comprising the (meth)acrylic anhydride. In another aspect, the present disclosure is directed to the use of a polar solvent for the manufacturing of a (meth)acrylic anhydride in a flow reactor.
    Type: Application
    Filed: February 6, 2019
    Publication date: December 31, 2020
    Inventors: Rudolf J. Dams, Rudy W. Van Campenhout, Matthias Conradi, Marine Movsisyan, Christian V. Stevens
  • Publication number: 20200378061
    Abstract: Fluorine free compositions for treating fibrous substrates to make the fibrous substrates water repellent, method for treating the fibrous substrates with said compositions and water repellent fibrous substrates treated with said fluorine free compositions.
    Type: Application
    Filed: November 26, 2018
    Publication date: December 3, 2020
    Inventors: Rudolf J. Dams, Dirk M. Coppens
  • Publication number: 20200369590
    Abstract: The present disclosure relates to a process for the manufacturing of a compound comprising a (meth)acryloyl group, wherein the process comprises the steps of: a) providing a multi-screw extruder comprising a reaction chamber; b) providing reactants and reagents comprising: i. an alcohol or a primary or secondary amine; ii. a base; and iii. a (meth)acryloyl halide or a 3-halopropionyl halide; and c) incorporating the reactants and reagents into the reaction chamber of the multi-screw extruder, thereby forming a reaction product stream comprising the compound comprising a (meth)acryloyl group.
    Type: Application
    Filed: December 12, 2018
    Publication date: November 26, 2020
    Inventors: Rudy W. Van Campenhout, Rudolf J. Dams, Eike H. Klunker, Matthias Conradi, Siegfried R. Goeb
  • Publication number: 20200361844
    Abstract: The present disclosure relates to a process for the manufacturing of a 3-5 halopropionylhalide, wherein the process comprises the steps of: a) providing a flow reactor comprising a reaction chamber; b) providing reactants comprising: i. acrylic acid; ii. a reaction co-agent selected from the group consisting of N,N-0 disubstituted amides; and iii. a halogenating agent; and c) incorporating the reactants into the reaction chamber of the flow reactor, thereby forming a reaction product stream comprising a 3-halopropionyl-halide; wherein the molar ratio of acrylic acid to the halogenating agent is 1 to at least 5 0.8; wherein the temperature of the reaction chamber of the flow reactor is greater than 60° C.; and wherein the residence time of the reaction product stream comprising the 3-halopropionylhalide in the reaction chamber of the flow reactor is greater than 10 minutes.
    Type: Application
    Filed: December 12, 2018
    Publication date: November 19, 2020
    Inventors: Rudolf J. Dams, Rudy W. Van Campenhout, Matthias Conradi, Marine Movsisyan, Christian Stevens
  • Publication number: 20200362508
    Abstract: A fluorine-free composition includes at least one polycarbodiimide compound derived from a carbodiimidization reaction of a carbodiimidization reaction mixture comprising at least one oligomer, wherein the oligomer comprises at least one isocyanate end group and at least two repeating units, wherein each of the at least two repeating units comprises at least one hydrocarbon group having at least 16 carbon atoms. The composition may also include at least one paraffin wax. Such compositions are useful for treating fibrous substrates to enhance their water-repellency.
    Type: Application
    Filed: August 7, 2020
    Publication date: November 19, 2020
    Inventors: Dirk M. Coppens, Rudolf J. Dams, Chetan P. Jariwala, Lin Chen
  • Publication number: 20200331837
    Abstract: The present disclosure relates to a process for the manufacturing of an acid halide, wherein the process comprises the steps of: a) providing a flow reactor comprising a reaction chamber; b) providing reactants comprising: i. a carboxylic acid; ii. a reaction co-agent selected from the group consisting of N,N-disubstituted amides; and iii. a phosphoryl halide; c) incorporating the reactants into the reaction chamber of the flow reactor, wherein the molar ratio of the carboxylic acid to the phosphoryl halide is 1 to at least 0.8, and the molar ratio of the carboxylic acid to the co-agent is 1 to at least 0.5; and d) producing a reaction product stream comprising the acid halide. In another aspect, the present disclosure is directed to the use of a phosphoryl halide for the manufacturing of an acid halide in a flow reactor.
    Type: Application
    Filed: December 12, 2018
    Publication date: October 22, 2020
    Inventors: Rudolf J. Dams, Rudy W. Van Campenhout, Matthias Conradi, Marine Movsisyan, Christian Stevens
  • Publication number: 20200230926
    Abstract: Multilayer article, comprising at least one first layer containing a fluoropolymer and at least one second layer containing a silicone resin, said layers are at least partially in contact with each other and form a common interface and wherein the at least one first layer further comprises particles of mineralized carbon and wherein the fluoropolymer is curable or cured. Further provided are a method of making the multilayer articles and uses of the multilayer articles.
    Type: Application
    Filed: August 24, 2016
    Publication date: July 23, 2020
    Inventors: Guy Van Gool, Rudolf J. Dams, Alain Verschuere
  • Publication number: 20190177908
    Abstract: A fluorine-free treating composition that includes Component A and at least one of Components B and C, wherein: Component (A) includes one or more polymeric compounds derived from the polymerization of at least one (meth)acrylate monomer comprising at least one hydrocarbon group having from 1 to 60 carbon atoms; Component (B) includes one or more compounds derived from reaction, in one or more steps, of components comprising: (i) at least one isocyanate-reactive oligomer comprising 2 to 20 repeating units, or an alcohol having at least one linear or branched hydrocarbon group having from 16 to 40 carbon atoms and optionally one or more ester groups; (ii) at least one polyisocyanate; (iii) optionally at least one additional isocyanate-reactive compound; and (iv) optionally at least one isocyanate blocking agent; and Component (C) includes one or more polycarbodiimide compounds.
    Type: Application
    Filed: August 8, 2017
    Publication date: June 13, 2019
    Inventors: Dirk M. Coppens, Rudolf J. Dams
  • Patent number: 10308584
    Abstract: A method of making an (alk)acrylic ester in a microflow reactor.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: June 4, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Rudy W. Van Campenhout
  • Patent number: 10294609
    Abstract: A fluorine-free composition includes one or more compounds derived from a reaction mixture that includes: (i) at least one isocyanate-reactive (i.e., functionalized) oligomer comprising 2 to 20 repeating units; (ii) at least one polyisocyanate; (iii) optionally at least one additional isocyanate-reactive compound; and (iv) optionally at least one isocyanate blocking agent; wherein the isocyanate-reactive oligomer is made by the radical-initiated reaction of a reaction mixture comprising at least one mercaptan and Sat least one (meth)acrylate monomer, wherein the at least one (meth)acrylate monomer comprises at least one isocyanate-derived group (e.g., a urethane group or a urea group) and at least one hydrocarbon group having at least 16 carbon atoms (and in some embodiments, up to 60 carbon atoms). Such compositions are useful for treating fibrous substrates to enhance their water-repellency.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: May 21, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Dirk M. Coppens, Chetan P. Jariwala, Lin Chen
  • Publication number: 20190062257
    Abstract: A method of making an (alk)acrylic ester in a microflow reactor.
    Type: Application
    Filed: February 21, 2017
    Publication date: February 28, 2019
    Inventors: RUDOLF J. DAMS, RUDY W. VAN CAMPENHOUT