Patents by Inventor William B. Griffith, JR.
William B. Griffith, JR. 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: 11760822Abstract: Disclosed is a method comprising: a) dispersing a first monomer mixture comprising least one least monomer, the first monomer mixture having a total glass transition temperature (Tg) in the range of from ?10° C. to ?65° C. with a surfactant and an initiator in an aqueous medium; b) when the first monomer mixture is completely dispersed, adding a second monomer mixture comprising at least one monomer, the second monomer mixture having a Tg at least 20° C. greater than the Tg of the first monomer mixture, to the aqueous medium; c) when the second monomer mixture is completely dispersed, adding a third monomer mixture comprising at least one monomer, the third monomer mixture having a Tg in the range of from ?25° C. to 50° C.; and d) forming a polymer with the first, second, and third monomer mixtures. Also disclosed is a pressure sensitive adhesive comprising the polymer formed by this method.Type: GrantFiled: March 2, 2016Date of Patent: September 19, 2023Assignee: Rohm and Haas CompanyInventors: Melinda L. Einsla, Steven R. Patrick, William B. Griffith, Jr., Paul Nedwick
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Publication number: 20220306909Abstract: Provided is a pressure sensitive adhesive article comprising (a) a substrate (Sa) (b) in contact with the substrate (Sa), a layer (Lb) of a pressure sensitive composition (Cb) that comprises one or more acrylic polymer (POLb) having Tg of 20° C. or lower, and (c) in contact with the layer (Lb), a layer (Lc) that comprises, (i) one or more acrylic polymer (POLc) having Tg of 20° C. or lower, and (ii) one or more olefin copolymer. Also provided are a method of making the pressure sensitive adhesive article and a bonded article made by using the pressure sensitive adhesive article.Type: ApplicationFiled: September 15, 2020Publication date: September 29, 2022Inventors: Saswati Pujari, William B. Griffith, Jr.
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Publication number: 20220242982Abstract: Activatable adhesive compositions are disclosed. The activatable adhesive compositions comprise a two-stage polymer particle, comprising a first stage comprising a hydrophilic acrylic polymer having an acid content of less than 200 mg KOH/g, a second stage polymerized within the first stage and comprising a hydrophobic acrylic polymer, and a tackifier soluble in the first stage and the second stage. Further, linerless labels and tapes comprising activatable adhesive compositions are disclosed. Still further, methods for adhering a first substrate to a second substrate using an activatable adhesive composition are also disclosed.Type: ApplicationFiled: April 25, 2022Publication date: August 4, 2022Inventors: Melinda L. Einsla, Daniel W. Himmelberger, William B. Griffith, JR., Sarah Zolynski
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Patent number: 11345770Abstract: Activatable adhesive compositions are disclosed. The activatable adhesive compositions comprise a two-stage polymer particle, comprising a first stage comprising a hydrophilic acrylic polymer having an acid content of less than 200 mg KOH/g, a second stage polymerized within the first stage and comprising a hydrophobic acrylic polymer, and a tackifier soluble in the first stage and the second stage. Further, linerless labels and tapes comprising activatable adhesive compositions are disclosed. Still further, methods for adhering a first substrate to a second substrate using an activatable adhesive composition are also disclosed.Type: GrantFiled: July 25, 2017Date of Patent: May 31, 2022Assignee: Rohm and Haas CompanyInventors: Melinda L. Einsla, Daniel W. Himmelberger, William B. Griffith, Jr., Sarah Zolynski
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Patent number: 10731053Abstract: A thermally reversible adhesive comprising a) a copolymer of i) a conjugated diene acrylate or methacrylate and ii) at least one acrylic monomer; and b) a bismaleimide crosslinking agent, a process for its preparation, and various end uses, are disclosed.Type: GrantFiled: September 21, 2016Date of Patent: August 4, 2020Assignee: Rohm and Haas CompanyInventors: Daniel W. Himmelberger, Melinda L. Einsla, William B. Griffith, Jr., Brandon Rowe
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Publication number: 20200079979Abstract: Water-based pressure sensitive adhesive compositions are disclosed comprising (a) an acrylic emulsion having a glass transition temperature of less than or equal to 20° C., (b) optionally, a dispersant or a silane-containing compound, and (c) an ethylene or propylene copolymer emulsion. In some embodiments, (a) comprises from 75 to 99 wt % of the compositions, (b), when present, comprises from 0.1 to 5 wt % of the compositions, and (c) comprises from 0.1 to 25 wt % of the composition, each based on the dry weight of the compositions. Methods for preparing water-based pressure sensitive adhesive compositions are also disclosed comprising emulsion polymerizing at least one unsaturated monomer, thereby forming an emulsion polymer having a glass transition temperature of less than or equal to ?10° C. and blending the emulsion polymer together with a dispersant or silane-containing compound and an ethylene or propylene copolymer emulsion.Type: ApplicationFiled: March 13, 2017Publication date: March 12, 2020Applicants: Rohm and Haas Company, Dow Global Technologies LLCInventors: Mario De Filippis, Miao Yang, Cathie Seyfried, Zhaohui Qu, Isabelle Uhl, Melinda L. Einsla, Kalyan Sehanobish, William B. Griffith, Jr., Vinita Yadav
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Publication number: 20190233689Abstract: Activatable adhesive compositions are disclosed. The activatable adhesive compositions comprise a two-stage polymer particle, comprising a first stage comprising a hydrophilic acrylic polymer having an acid content of less than 200 mg KOH/g, a second stage polymerized within the first stage and comprising a hydrophobic acrylic polymer, and a tackifier soluble in the first stage and the second stage. Further, linerless labels and tapes comprising activatable adhesive compositions are disclosed. Still further, methods for adhering a first substrate to a second substrate using an activatable adhesive composition are also disclosed.Type: ApplicationFiled: July 25, 2017Publication date: August 1, 2019Inventors: Melinda L. Einsla, Daniel W. Himmelberger, William B. Griffith, JR., Sarah Zolynski
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Patent number: 10005934Abstract: The invention provides a composition comprising the following components: A) an ethylene/alpha-olefin block copolymer; B) a tackifies; and wherein the composition has a melt index (I2) from 1 to 50 g/10 min and an I10/I2 ratio from 7.5 to 13.Type: GrantFiled: April 10, 2014Date of Patent: June 26, 2018Assignee: Rohm and Haas CompanyInventors: Daniel W. Himmelberger, William B. Griffith, Jr.
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Publication number: 20180086867Abstract: Disclosed is a method comprising: a) dispersing a first monomer mixture comprising least one least monomer, the first monomer mixture having a total glass transition temperature (Tg) in the range of from ?10° C. to ?65° C. with a surfactant and an initiator in an aqueous medium; b) when the first monomer mixture is completely dispersed, adding a second monomer mixture comprising at least one monomer, the second monomer mixture having a Tg at least 20° C. greater than the Tg of the first monomer mixture, to the aqueous medium; c) when the second monomer mixture is completely dispersed, adding a third monomer mixture comprising at least one monomer, the third monomer mixture having a Tg in the range of from ?25° C. to 50° C.; and d) forming a polymer with the first, second, and third monomer mixtures. Also disclosed is a pressure sensitive adhesive comprising the polymer formed by this method.Type: ApplicationFiled: March 2, 2016Publication date: March 29, 2018Inventors: Melinda L. Einsla, Steven R. Patrick, William B. Griffith, JR., Paul Nedwick
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Patent number: 9914860Abstract: The present disclosure is directed to a composition comprising a) an olefin block copolymer; b) a tackifier; c) an ethylene-based polymer with a density from 0.90 g/cc to 0.94 g/cc; and d) an oil. The composition finds advantageous application as a cohesive layer in a fastening device, for example, a fastening device for a hygiene absorbent product.Type: GrantFiled: August 18, 2014Date of Patent: March 13, 2018Assignee: Rohm and Haas CompanyInventors: Daniel W. Himmelberger, William B. Griffith, Jr.
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Patent number: 9765241Abstract: Provided is a pressure sensitive adhesive article comprising (a) a substrate (Sa), (b) in contact with said substrate (Sa), a layer (Lb) of a composition (Cb) that comprises one or more acrylic polymer (POLb) having Tg of ?10° C. or lower, and (c) in contact with said layer (Lb), a layer (Lc) of a composition (Cc) that comprises one or more acrylic polymer (POLc) that comprises 20% to 90% polymerized units of one or more high-aliphatic vinyl monomer, by weight based on the weight of said polymer (POLc). Also provided is a bonded article made by a process of contacting a substrate (Sd) with such a pressure sensitive adhesive article, wherein said substrate (Sd) is in contact with said layer (Lc).Type: GrantFiled: March 3, 2014Date of Patent: September 19, 2017Assignee: ROHM AND HAAS COMPANYInventors: William B. Griffith, Jr., Melissa Lane
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Publication number: 20170247580Abstract: A cling foil comprising an outermost adhesive layer comprising a pressure sensitive adhesive, an outermost release layer, the outermost release layer comprising a release material, and a foil layer positioned between the outermost adhesive layer and the outermost release layer.Type: ApplicationFiled: September 17, 2015Publication date: August 31, 2017Applicants: Rohm and Haas Company, Dow Global Technologies LLCInventors: Swapnil Chandak, Rajen M. Patel, William B. Griffith, JR., Daniel W. Himmelberger
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Patent number: 9499674Abstract: A film containing polymeric particles which have an average particle diameter from 0.75 to 15 ?m and a refractive index which changes continuously from the center of the particles to the surface. The particles are embedded in a continuous polymeric phase comprising a polyolefin. The average refractive index difference measured from 400 nm to 800 nm between the polymeric particles and the continuous polymeric phase is no greater than 0.02.Type: GrantFiled: March 21, 2014Date of Patent: November 22, 2016Assignee: Rohm and Haas CompanyInventors: William B. Griffith, Jr., Edward La Fleur, Edwin Hugh Nungesser
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Patent number: 9453148Abstract: A composition having three components. The first component is from 20 to 80 wt % of a styrene-diene block copolymer having from 10-30 wt % polymerized units of styrene, wherein the block copolymer is present as a dispersion of copolymer in water, and the dispersion contains less than 5 wt % organic solvent based on total dispersion weight. The second component is from 0.5 to 20 wt % of a plasticizer. The third component is from 20 to 80 wt % of a tackifier.Type: GrantFiled: December 2, 2013Date of Patent: September 27, 2016Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Melinda L. Einsla, William B. Griffith, Jr., Daniel W. Himmelberger, Melissa Lane, David L. Malotky
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Publication number: 20160168433Abstract: The present disclosure is directed to a composition comprising a) an olefin block copolymer; b) a tackifies; c) an ethylene-based polymer with a density from 0.90 g/cc to 0.94 g/cc; and d) an oil. The composition finds advantageous application as a cohesive layer in a fastening device, for example, a fastening device for a hygiene absorbent product.Type: ApplicationFiled: August 18, 2014Publication date: June 16, 2016Inventors: Daniel W. Himmelberger, William B. Griffith, JR.
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Publication number: 20160053143Abstract: The invention provides a composition comprising the following components: A) an ethylene/alpha-olefin block co-polymer; B) a tackifies; and wherein the composition has a melt index (I2) from 1 to 50 g/10 min and an I10/I2 ratio from 7.5 to 13.Type: ApplicationFiled: April 10, 2014Publication date: February 25, 2016Inventors: Daniel W. Himmelberger, William B. Griffith, Jr.
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Publication number: 20160009964Abstract: Provided is a pressure sensitive adhesive article comprising (a) a substrate (Sa), (b) in contact with said substrate (Sa), a layer (Lb) of a tackifier-free composition (Cb) that comprises one or more acrylic polymer (POLb) having Tg of ?10° C. or lower, and (c) in contact with said layer (Lb), a layer (Lc) of a tackifier-containing composition (Cc) that comprises one or more tackifier and one or more hydrocarbon polymer (POLc) having Tg of ?10° C. Also provided is a bonded article made by a process comprising contacting a substrate (Sd) with such a pressure sensitive adhesive article, wherein said substrate (Sd) is in contact with said layer (Lc).Type: ApplicationFiled: March 3, 2014Publication date: January 14, 2016Inventors: William B. Griffith, Jr., Melissa Lane
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Publication number: 20160009957Abstract: Provided is a pressure sensitive adhesive article comprising (a) a substrate (Sa), (b) in contact with said substrate (Sa), a layer (Lb) of a composition (Cb) that comprises one or more acrylic polymer (POLb) having Tg of ?10° C. or lower, and (c) in contact with said layer (Lb), a layer (Lc) of a composition (Cc) that comprises one or more acrylic polymer (POLc) that comprises 20% to 90% polymerized units of one or more high-aliphatic vinyl monomer, by weight based on the weight of said polymer (POLc). Also provided is a bonded article made by a process of contacting a substrate (Sd) with such a pressure sensitive adhesive article, wherein said substrate (Sd) is in contact with said layer (Lc).Type: ApplicationFiled: March 3, 2014Publication date: January 14, 2016Applicant: ROHM AND HAAS COMPANYInventors: William B. Griffith, JR., Melissa Lane
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Publication number: 20150368521Abstract: A composition having three components. The first component is from 20 to 80 wt % of a styrene-diene block copolymer having from 10-30 wt % polymerized units of styrene, wherein the block copolymer is present as a dispersion of copolymer in water, and the dispersion contains less than 5 wt % organic solvent based on total dispersion weight. The second component is from 0.5 to 20 wt % of a plasticizer. The third component is from 20 to 80 wt % of a tackifier.Type: ApplicationFiled: December 2, 2013Publication date: December 24, 2015Inventors: Melinda L. Einsla, William B. Griffith, Jr., Daniel W. Himmelberger, Melissa Lane, David L. Malotky
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Patent number: 9163165Abstract: This invention relates to a primerless removable or repositionable pressure sensitive tape or label comprises a porous substrate material, and a pressure sensitive adhesive (PSA) composition comprising (i) 10 to 90 wt. %, based on the combined weight of parts (i) and (ii), of one or more aqueous adhesive (co)polymer, and (ii) 90 to 10 wt. %, based on the combined weight of parts (i) and (ii), of one of more water-dispersed thermoplastic material, wherein the water-dispersed thermoplastic material is incompatible with the aqueous adhesive (co)polymer.Type: GrantFiled: February 20, 2013Date of Patent: October 20, 2015Assignee: Rohm and Haas CompanyInventor: William B. Griffith, Jr.