Howard W Turner, Gregory G Hlatky, Richard R Eckman: Ionic metallocene catalyst compositions. Exxon Chemical Patents, M Susan Spiering, Myron B Kurtzman, Ben C Cadenhead, March 30, 1993: US05198401 (428 worldwide citation)

Ionic catalyst compositions can be prepared by combining two components. The first component is a bis(cyclopentadienyl) Group IV-B metal complex containing at least one ligand which will combine irreversibly with the second component or at least a portion thereof such as a cation portion thereof. Th ...

Howard C Welborn Jr, John A Ewen: Process and catalyst for polyolefin density and molecular weight control. Exxon Chemical Patents, Myron B Kurtzman, Charles M Cox, Ben C Cadenhead, June 28, 1994: US05324800 (420 worldwide citation)

Catalysts comprising (a) derivatives of mono, bi and tricyclopentadienyl coordination complexes with a transition metal and (b) and an alumoxane are employed in a process of producing polyolefins of controlled molecular weight.

Aspy K Mehta: Elastic articles having improved unload power and a process for their production. Exxon Chemical Patents, Jaimes Sher, Robert W Mulcahy, Ben C Cadenhead, August 31, 1993: US05241031 (103 worldwide citation)

Disclosed is a process for improving the unload power of a precursor elastic film comprising orienting the film to a draw ratio in the range of about 2:1 to about 20:1 followed by annealing. Further disclosed is an elastic film oriented to a draw ratio in the range of about 2:1 to about 20:1 and com ...

John W Harding, James P Keller: Post-drawn, melt-blown webs. Exxon Research and Engineering Company, David A Roth, Ben C Cadenhead, September 13, 1977: US04048364 (81 worldwide citation)

A novel nonwoven article useful as a scrim support for other materials, such as paper toweling and wiping cloths, or as porous, nonadsorbent coverings for adsorbent packaging such as bandages or sanitary napkins, or a ribbon for packaging and decorative applications, is produced by post drawing cert ...

Terrence Huff: Polypropylene blends having high impact strength and improved optical properties. Exxon Research & Engineering Co, Ben C Cadenhead, May 2, 1978: US04087485 (58 worldwide citation)

An impact polypropylene blend having an excellent balance of overall mechanical properties, particularly high impact strength, and significantly improved optical properties, comprising about 2 to about 22% by weight of an ethylene-propylene copolymer elastomer and about 1 to about 15% by weight of a ...

Robert J Pappas, O Lee Reedy: Antistatic woven coated polypropylene fabric. Exxon Chemical Patents, Ben C Cadenhead, T Dean Simmons, December 10, 1991: US05071699 (37 worldwide citation)

The present invention provides for an anti-static flexible fabric material formed from woven, axially oriented crystalline polypropylene yarn, said fabric further characterized as having a coating of a flexible, thermoplastic polymer on one or both sides of the fabric. Anti-static properties are imp ...

Terrence Huff: Cross-linked melt-flowable thermoplastic elastomer blend comprising EPR or EPDM, polyethylene and polypropylene. Exxon Research & Engineering Co, Ben C Cadenhead, May 9, 1978: US04088714 (33 worldwide citation)

A cross-linked, melt-flowable thermoplastic elastomer blend of a monoolefin polymer rubber and cross-linkable low density polyethylene which are essentially fully cured in the presence of polypropylene is disclosed. The reprocessable blend has a much improved melt rheology and is useful for making f ...

Hiroshi Inoue, Makoto Yoda, Shozo Wada: Process for the production of polyolefin powder. Toa Nenryo Kogyo Kabushiki Kaisha, William T Clark, Ben C Cadenhead, July 26, 1977: US04038477 (24 worldwide citation)

Spherical polyolefin (or modified polyolefin) powders having high bulk density, narrow particle size distribution and good powder flowability are prepared by cooling a polyolefin solution comprising a solvent and nonsolvent for the polyolefin and containing a small amount of an inorganic compound an ...

Joseph C Floyd, Don A Plank: Photodegradable plastic compositions containing nitrogen heterocyclic compounds. Exxon Research and Engineering Co, D A Roth, Ben C Cadenhead, August 16, 1977: US04042765 (15 worldwide citation)

Plastic compositions containing polyolefins and substituted nitrogen heterocyclic compounds having the formula: ##STR1## wherein X is nitrogen or CH, and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are from the group hydrogen; a straight or branched chain alkyl group having from 1 to 6 carbon atoms; cyano ...

Masahide Murata, Seizaburo Kanazawa, Hiroyuki Furuhashi, Kouji Maruyama, Masafumi Imai, Hiroshi Ueno: Catalytic component for olefin polymerization. Tog Nenryo Kogyo, Ben C Cadenhead, Myron B Kurtzman, T Dean Simmons, October 29, 1991: US05061667 (14 worldwide citation)

A catalytic component for olefin polymerization, produced by a process which comprises causing (A) magnesium metal, (B) a halogenated hydrocarbon represented by the general formula, RX [wherein R stands for an alkyl group, an aryl group, or a cycloalkyl group each having 1 to 20 carbon atoms and X f ...