Patents Represented by Attorney, Agent or Law Firm Mary E. Golota
  • Patent number: 6362285
    Abstract: The invention thus provides a curable coating composition comprising (A) a polymer resin comprising active hydrogen-containing functional group other than carbamate, (B) a curing agent having groups that are reactive with said functional groups on (A), and (C) a reactive additive comprising at least one compound having a molecular weight of from 131 to 2000 and comprising at least one &bgr;-hydroxy primary carbamate group and at least one alkyl group selected from the group consisting of straight chain alkyl groups of more than 10 carbons, branched alkyl groups of from 5 to 30 carbons, and mixtures thereof, wherein one or both of (A) and (B) comprise groups that are reactive with the primary carbamate group of (C). The invention also provides a method of making a preferred embodiment of the reactive additive (C) and the reactive additive (C).
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: March 26, 2002
    Assignee: BASF Corporation
    Inventors: Walter H Ohrbom, Paul J. Harris
  • Patent number: 6342144
    Abstract: The invention provides a cured multilayer coating having improved properties and a process for the production of said cured multilayer coating.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: January 29, 2002
    Assignee: BASF Aktiengesellschaft
    Inventor: Timothy S. December
  • Patent number: 6312576
    Abstract: The present invention provides a multilayer film composition wherein at least two layers of the multilayer film composition are applied via electrophoretic deposition processes. In a preferred embodiment, the first layer of the multilayer film composition is a conductive film layer applied by a cationic electrodeposition process with a second layer applied directly to the conductive first layer via a cathodic electrodeposition process. Preferably, the second layer of the cathodic electrocoat coating composition comprises a carbamate functional cathodic resin.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: November 6, 2001
    Assignee: BASF Corporation
    Inventor: Timothy S. December
  • Patent number: 6303690
    Abstract: The invention provides a cathodic electrocoat coating composition having (A) a polymer comprising at least one primary carbamate group and at least one cationic salting site, (B) a curing agent having groups that are reactive with said functional groups on (A), and (C) a reactive additive comprising at least one compound having a molecular weight of from 131 to 2000 and comprising at least one primary carbamate group and at least one alkyl group selected from the group consisting of branched alkyl groups of from 5 to 30 carbons, straight chain alkyl groups of more than 10 carbons, and mixtures thereof, wherein one or both of (A) and (B) comprise groups that are reactive with the primary carbamate group of (C).
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: October 16, 2001
    Assignee: BASF Corporation
    Inventors: Timothy S. December, Walter H Ohrbom
  • Patent number: 6231738
    Abstract: The present invention provides a multilayer film composition wherein at least two layers of the multilayer film composition are applied via electrophoretic deposition processes. In a preferred embodiment, the first layer of the multilayer film composition is a conductive film layer applied by a cationic electrodeposition process with a second layer applied directly to the conductive first layer via an anodic electrodeposition process. Preferably, the second layer of the anodic electrocoat coating composition comprises a carbamate functional anodic resin.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: May 15, 2001
    Assignee: BASF Corporation
    Inventor: Timothy S. December
  • Patent number: 6229007
    Abstract: Disclosed are amine functional cellulose ester resins and methods of making the same. The amine functional cellulose ester resins comprise at least one repeat unit of the structure: wherein R1, R2, and R3 are selected independently from the group consisting of hydrogen, R4C═O, and wherein at least one of R1, R2, and R3 is hydrogen, at least one of R1, R2, and R3 is R4C═O, and at least one of R1, R2, or R3 have the structure R4 is selected from the group consisting of C1-C20 alkyl groups, C1-C20 phenyl groups, C1-C20 napthyl groups, and C1-C20 alkenyl groups, L is a divalent linking group and R6 is selected from the group consisting of H and compounds having at least one secondary amine group, tertiary amine group, and mixtures thereof.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: May 8, 2001
    Assignee: BASF Corporation
    Inventors: Anthony J. Tye, Gerald L. Bajc
  • Patent number: 6214188
    Abstract: The invention provides a polymer (a) having a polymer backbone having appended thereto at least one carbamate functional group, the polymer represented by randomly repeating units according to the formula: R1 represents H or CH3, R2 represents H, alkyl, or cycloalkyl, L represents a divalent linking group, A represents repeat units comprising at least one repeat unit having a pendant carboxylic acid group, x represents 10 to 90 weight %, and y represents 90 to 10 weight %. The invention further provides an anodic electrocoat coating composition comprising an aqueous dispersion of a polymer (a) and (b) a compound having a plurality of functional groups that are reactive with said carbamate groups, wherein the repeat units A of polymer (a) having a pendant carboxylic acid group are base-salted.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: April 10, 2001
    Assignee: BASF Corporation
    Inventor: Timothy S. December
  • Patent number: 6187376
    Abstract: The invention provides a method for improving the adhesion of a repair coating to a coated substrate. It requires that at least one coating composition be applied to a substrate, the coating composition having (a) a film forming component with (i) a crosslinking component comprising one or more aminoplast resins, and (ii) one or more polymers having one or more functional groups which are reactive with the crosslinking component, (b) an adhesion improving additive comprising one or more compounds containing Sn(IV), (c) a catalyst for promoting a reaction between crosslinking agent (i) and one or more polymers (ii). The at least one coating composition is cured to provide a coated substrate and one or more repair coatings are applied to the coated substrate. In a preferred aspect of the invention, the one or more repair coatings applied are the same as the at least one coating composition.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: February 13, 2001
    Assignee: BASF Corporation
    Inventors: Donald H. Campbell, Michael A. Gessner
  • Patent number: 6184273
    Abstract: A composition comprising a compound having latent primary amine functionality is described. The compound having latent amine functionality is obtained by reacting a cyclic anhydride with an amine compound having two primary amine groups and one secondary amine group. The latent amine compound is combined with a compound having a plurality of cyclic carbonate groups in a crosslinkable coating composition.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: February 6, 2001
    Assignee: BASF Corporation
    Inventors: Timothy S. December, Paul J Harris
  • Patent number: 6165338
    Abstract: The invention provides a polymer (a) having a polymer backbone having appended thereto at least one carbamate functional group, the polymer represented by randomly repeating units according to the formula: ##STR1## R.sub.1 represents H or CH.sub.3, R.sub.2 represents H, alkyl, or cycloalkyl, L represents a divalent linking group, A represents repeat units comprising at least one repeat unit having a pendant cationic salting group, x represents 10 to 90 weight %, and y represents 90 to 10 weight %. The invention further provides a cathodic electrocoat coating composition comprising an aqueous dispersion of a polymer (a) and (b) a compound having a plurality of functional groups that are reactive with said carbamate groups, wherein the repeat units A of polymer (a) having a pendant cationic salting group are salted with an acid.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: December 26, 2000
    Assignee: BASF Corporation
    Inventors: Timothy S. December, Walter H Ohrbom, Gregory G. Menovcik
  • Patent number: 6165618
    Abstract: Curable coating compositions are described comprising(a) a polymer resin comprising carbamate functional groups,(b) a curing agent having groups that are reactive with said functional groups on (a), and(c) a compound having a molecular weight of from 75 to 2000 comprising at least one group of the formula: ##STR1## wherein X is O or NH, R is H or alkyl of 1 to 4 carbon atoms, and either (a), (b), or both (a) and (b) comprise groups that are reactive with said group on (c).
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: December 26, 2000
    Assignee: BASF Corporation
    Inventors: Walter H. Ohrbom, Gregory G. Menovcik, John W. Rehfuss, Robert J. Taylor
  • Patent number: 6150465
    Abstract: The invention provides a powder slurry composition comprising a first solid particulate component (a) dispersed in a crosslinking component (b) having at least one crosslinking resin which is liquid at 20.degree. C. First component (a) is in solid particulate form having an average particle size of from 3 to 30 microns. Component (a) has a compound (i) having a T.sub.g >40.degree. C. and at least one carbamate or urea functional group, or a group convertible to a carbamate or urea group appended thereto. Crosslinking component (b) has at least one crosslinking resin (i) which is liquid at 20.degree. C. Most preferably, crosslinking component (b) will further include a self-crosslinking aminoplast resin (ii) having at least two aminoplast groups and at least two groups which are nonreactive with solid particulate first component (a) but which are reactive with said aminoplast groups. The powder slurry composition of the invention has a VOC of less than 1.0 lbs.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: November 21, 2000
    Assignee: BASF Corporation
    Inventors: Paul J. Harris, Walter H. Ohrbom, John W. Rehfuss
  • Patent number: 6117931
    Abstract: There is described a curable coating composition having at least one effect pigment which, upon cure, exhibits substantially improved orientation of the effect pigment and a corresponding improvement in appearance. The composition comprises:(A) a carbamate-functional component having a hydrophobicity equivalent to or greater than that of a carbamate-functional compound (A') which is the reaction product of:(1) a compound comprising a plurality of hydroxyl groups, at least one of which is the result of a ring-opening reaction between an epoxy group and an organic acid group, and(2) cyanic acid or a compound comprising a carbamate group, and(B) a component comprising a plurality of groups that are reactive with the carbamate functional groups on component (A), and(C) at least one effect pigment,the curable coating composition when cured having a substantially improved effect pigment orientation. Preferably, the composition further comprises particular rheology control agents.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: September 12, 2000
    Assignee: BASF Corporation
    Inventors: John W. Rehfuss, Marvin L. Green, Bertrum Miller
  • Patent number: 6071568
    Abstract: The invention provides composite color-plus-clear coatings having improved appearance, especially with respect to wrinkling, and to methods and compositions for providing such coatings. The method of the invention utilizes a second coating composition comprising (A) a film forming component comprising (a) a first component comprising a compound having appended thereto at least one carbamate or urea functional group, or a group convertible to a carbamate or urea group, and (b) a second component comprising a compound reactive with said carbamate or urea groups on component (a), (B) a cyclic anhydride, and (C) a catalyst.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: June 6, 2000
    Assignee: BASF Corporation
    Inventors: Herbert L. Harmon, Timothy P. Kandow, Gregory G. Menovcik
  • Patent number: 6048443
    Abstract: The invention provides cathodic electrocoat compositions having a carbamate functional resin with a cationic salting site, a crosslinking agent reactive with the carbamate functional resin and a carbonate curing agent. The invention also provides methods of cathodically electrodepositing a coating on a substrate using the coating compositions of the invention. The compositions of the invention provide urethane crosslinking sites without the use of disadvantageous blocked isocyanates and cure at temperatures lower than prior art cathodic electrocoat compositions.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: April 11, 2000
    Assignee: BASF Corporation
    Inventors: Timothy S. December, Walter H Ohrbom, Gregory G. Menovcik
  • Patent number: 6045872
    Abstract: The curable coating composition of the invention comprises a film forming component (A) and a wrinkle reducing catalyst (B) comprising a compound of the formula:M.sub.y (L).sub.xwherein M is a metal having an empty or full d orbital and wherein the pk.sub.a of the aqua ion of M is less than or equal to 12; L is a ligand wherein the pk.sub.a of the parent acid is .gtoreq.-10 and is .ltoreq.4; and x is an integer which is a multiple of the charge of M, y is an interger which is a multiple of the charge of L, x and y selected so that ML is charge balanced. Film forming component (A) has first component (a) with a compound having appended thereto at least one carbamate or urea functional group, or a group convertible to a carbamate or urea group, and a second component (b) with a compound reactive with said carbamate or urea groups on component (a).
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: April 4, 2000
    Assignee: BASF Corporation
    Inventors: Herbert L. Harmon, Donald H. Campbell, Rodney L. Briggs
  • Patent number: 5994469
    Abstract: A composition comprising a resin having latent primary amine functionality is described. The latent amine functionality is obtained by reacting a cyclic anhydride with an amine compound having two primary amine groups and one secondary amine group. The latent amine resin is combined with a curing agent having a plurality of cyclic carbonate groups in a crosslinkable coating composition.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: November 30, 1999
    Assignee: BASF Corporation
    Inventors: Timothy S. December, Paul J Harris
  • Patent number: 5972422
    Abstract: The invention provides a method for providing a low bake repair to a cured coating, especially a composite coating and low bake repair compositions for use therein. The method of the invention involves the provision of a cured coated surface and the application of a low bake repair coating to at least a portion of the cured coated surface. The low bake repair coating of the invention has (A) a film forming component comprising (a) a first component comprising a compound having appended thereto at least one carbamate or urea functional group, or a group convertible to a carbamate or urea group, and (b) a second component comprising a compound reactive with said carbamate or urea groups on component (a), and (B) a catalyst comprising a compound selected from the group consisting of Al(ClO.sub.4).sub.2, Zr(ClO.sub.4).sub.2, and Al(NO.sub.3).sub.2. The low bake repair coating is cured at a temperature of less than 200.degree. F. for a time sufficient to cure the low bake repair coating.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: October 26, 1999
    Assignee: BASF Corporation
    Inventor: Herbert L. Harmon
  • Patent number: 5961802
    Abstract: A cationic resin having latent primary amine functionality is described. The latent amine functionality is obtained by reacting a cyclic anhydride with an amine compound having two primary amine groups and one secondary amine group. The cationic resin is combined with a curing agent having a plurality of cyclic carbonate groups in an electrocoat bath.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: October 5, 1999
    Assignee: BASF Corporation
    Inventors: Timothy S. December, Paul J Harris
  • Patent number: 5710185
    Abstract: A process for producing moldings containing ester and urethane groups and having a cellular core and a compacted surface zone, preferably shoe soles, comprises reactinga) isocyanate semiprepolymers containing ester groups and having an isocyanate content of from 10 to 26% by weight, which in turn are prepared by reactingai) 4,4'-MDI or mixtures of 4,4'-MDI and modified or unmodified MDI isomers,withaii) difunctional to trifunctional polyester polyols having molecular weights of from 600 to 3000 andaiii) at least one branched-chain dihydroxy compound containing at least one bonded ester unit as bridge and having a molecular weight of up to 500,withb) at least one relatively high molecular weight polyhydroxyl compound and, if desired,c) low molecular weight chain extenders and/or crosslinkersin the presence ofd) blowing agents,e) catalystsand, if desired,f) additives in a closed mold with compaction.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: January 20, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Otto Volkert, Peter Brandt, Harald Fuchs