Anthony G Karandinos, Keith A Nelson, Jean M Tancrede, Bruce A Harrington, David J Lohse, Olivier J F Georjon, Kenneth Lewtas, Sudhin Datta, Charles Cozewith: Polypropylene-based adhesive compositions. ExxonMobil Chemical Patents, Leandro Arechederra, June 8, 2004: US06747114 (100 worldwide citation)

An adhesive blend is described that can include a semi-crystalline copolymer of propylene and at least one comonomer selected from the group consisting of ethylene and at least one C


Dennis G Peiffer, Kenneth Lewtas, Robert D Lundberg, Pamela J Wright, Antonio G Lazarus, Jacob Emert: Copolymers of ethylene .alpha.-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuels. Exxon Chemical Patents, August 8, 2000: US06100224 (32 worldwide citation)

A copolymer comprising units of an unsaturated dicarboxylic monomer and an ethylene .alpha.-olefin macromer is disclosed. The macromer is an unsaturated ethylene .alpha.-olefin polymer comprising units of from ethylene and at least one .alpha.-olefin represented by the formula CH.sub.2 .dbd.CHR.sup. ...

Ramin Abhari, Charles Lewis Sims, Kenneth Lewtas, Mun Fu Tse, Patrick Brant, Peijun Jiang, Wai Yan Chow, Jean Roch Schauder, Caiguo Gong, David Raymond Johnsrud, Jo Ann Marie Canich: Polyolefin adhesive compositions and articles made therefrom. ExxonMobil Chemical Patents, April 20, 2010: US07700707 (30 worldwide citation)

Embodiments of the present invention relate to article comprising 1) a functionalized component, 2) tackifier, and 3) an olefin polymer comprising one or more C3 to C40 olefins, optionally one or more diolefins, and less than 5 mole % of ethylene having a Dot T-Peel of 1 Newton or more, a branching ...

Anthony G Karandinos, David J Lohse, Keith A Nelson, Jean M Tancrede, Bruce Allan Harrington, Olivier J F Georjon, Kenneth Lewtas: Adhesive alpha-olefin inter-polymers. ExxonMobil Chemical Patents, September 30, 2003: US06627723 (29 worldwide citation)

The invention relates to novel adhesive alpha-olefin inter-polymers which are largely amorphous and have a rheological behavior that makes them suitable for adhesive use, both without and with minimized amounts of tackifying resins. Specifically, the invention poly-alpha olefin inter-polymer may be ...

Robert D Tack, Kenneth Lewtas, John R Brazier: Glycol ester flow improver additive for distillate fuels. Exxon Research & Engineering Co, J J Mahon, August 7, 1984: US04464182 (26 worldwide citation)

Polyoxyalkylene esters, ethers,ester/ethers or mixtures thereof containing two C.sub.10 -C.sub.30 linear saturated alkyl groups and a polyoxy (C.sub.1 -C.sub.4) alkylene glycol group of molecular weight 200 to 5,000 have been found to be effective distillate fuel flow improvers, especially for narro ...

Robert D Tack, Kenneth Lewtas: Additive combinations and fuels containing them. Exxon Research & Engineering Co, Frank T Johman, April 14, 1981: US04261703 (26 worldwide citation)

Three component additive combinations for improving the flow of distillate fuel oils comprise

Albert Rossi, Robert Tack, Kenneth Lewtas, Jose Alves: Specified C.sub.14 -carboxylate/vinyl ester polymer-containing compositions for lubricating oil flow improvement. Exxon Chemical Patents, R A Maggio, June 13, 1989: US04839074 (24 worldwide citation)

Compositions are disclosed for improving at least the low temperature flow properties of lubricating oils. The compositions are dual additives including a first component which is a polymer or interpolymer of a C.sub.14 carboxylate, such as a C.sub.14 -dialkyl fumarate/vinyl acetate interpolymer, an ...

Pamela J Wright, Dennis George Peiffer, Kenneth Lewtas, Quoc Luvinh, Joseph Jacques Ripet, Anne Vera Macedo: Adhesives comprising copolymers of macromonomers and unsaturated acids or anhydrides. Exxon Chemical Patents, John E Schneider, David J Alexander, August 29, 2000: US06111027 (20 worldwide citation)

This invention relates to an adhesive composition comprising a copolymer comprising units derived from one or more macromonomers and an unsaturated acid or an unsaturated anhydride wherein the weight average molecular weight of the copolymer is at least twice the weight average molecular weight of t ...

Jacques S Lechat, Kenneth Lewtas, Roger R Delme, Oliver J Georjon, Francois Xavier Gibert, Gerard Marin, Michael O Myers: Adhesives with improved die-cutting performance. Exxon Chemical Patents, The Dow Chemical Company, Akin Gump Strauss Hauer & Feld, October 30, 2007: US07288590 (17 worldwide citation)

Improved adhesives are provided through the use of styrenic tetrablock or pentablock copolymers which have a reduced elastomeric behavior under the die-cutting conditions used in label production.