1
John M Jenkins III, Russell L Jones, Thomas M Jones, Samil Beret: Method for fluidized bed polymerization. Union Carbide Corporation, Clement J Vicari, May 13, 1986: US04588790 (503 worldwide citation)

A continuous gas fluidized bed process is disclosed for the production of polymer from monomer wherein a gaseous stream comprising monomer is passed through a fluidized bed in a reaction zone in the presence of catalyst under reactive conditions, withdrawing from the reaction zone polymeric product ...


2
John M Jenkins III, Russell L Jones, Thomas M Jones: Fluidized bed reaction systems. Union Carbide Corporation, Clement J Vicari, September 24, 1985: US04543399 (359 worldwide citation)

A process is described for increasing the space time yield of polymer production in a fluidized bed reactor employing an exothermic polymerization reaction by cooling the recycle stream to below its dew point and returning the resultant two-phase fluid stream to the reactor to maintain the fluidized ...


3
Mark G Goode, Daniel M Hasenberg, Thomas J McNeil, Thomas E Spriggs: Method for reducing sheeting during polymerization of alpha-olefins. Union Carbide Corporation, Clement J Vicari, February 7, 1989: US04803251 (118 worldwide citation)

A method for reducing sheeting during polymerization of alpha-olefins by feeding either a positive charge generating or negative charge generating chemical additive to the reactor responsive to particular static levels in the reactor. The chemical additive is added in amounts which neutralize the ch ...


4
Bernard D Fulks, Steven P Sawin, Collin D Aikman, John M Jenkins III: Process for reducing sheeting during polymerization of alpha-olefins. Union Carbide Corporation, Clement J Vicari, July 30, 1985: US04532311 (96 worldwide citation)

A process for reducing sheeting during production of polyolefins by polymerization of alpha-olefins utilizing titanium based polymerization catalysts wherein the static electric charges in the reactor at the site of possible sheet formation are maintained below static voltage levels which would othe ...


5
Theodore Fredrick Kozak: Flexible waist diaper. Union Carbide Corporation, Clement J Vicari, July 19, 1977: US04036233 (92 worldwide citation)

A disposable diaper having a topsheet and backsheet one of which is stretchable, the other non-stretchable and wherein both extend beyond the edges of the absorbent material to provide a waistband. The non-stretchable sheet is provided with openings to permit stretching of the waistband.


6
John R Chirillo, Kellam C Kimbrough II, Peder E McHattie: Method for reducing sheeting during polymerization of alpha-olefins. Union Carbide Corporation, Clement J Vicari, August 8, 1989: US04855370 (90 worldwide citation)

A method for reducing sheeting during polymerization of alpha-olefins in a low pressure fluidized bed reactor utilizing titanium or vanadium based compounds as catalysts together with alkyl aluminum cocatalysts wherein water is introduced water into said reactor in an amount sufficient to maintain t ...


7
Seung J Rhee, Larry L Simpson: Fluidized bed polymerization reactors. Union Carbide Chemicals and Plastics Company, Clement J Vicari, June 12, 1990: US04933149 (82 worldwide citation)

A fluidized bed reactor and operating process is disclosed, the reactor including a distributor plate to provide distribution of fluid passing upwardly into a fluidized bed; a mixing chamber positioned below the distributor plate; fluid entry conduits, preferably at the base of the reactor, for the ...


8
Robert G Aronson: Fluidized bed discharge process. Union Carbide Corporation, Clement J Vicari, November 11, 1986: US04621952 (78 worldwide citation)

A fluidized bed discharge process for transferring solid particulate material from a high pressure vessel to lower pressure through successive zones of settling and transferring is disclosed, wherein said solid is maintained in a fluidized condition by the passage of a gas stream through said high p ...


9
Seung J Rhee, Edgar C Baker, David N Edwards, Kiu H Lee, John H Moorhouse, Leonard S Scarola, Frederick J Karol: Process for producing sticky polymers. Union Carbide Chemicals and Plastics Company, Clement J Vicari, February 19, 1991: US04994534 (61 worldwide citation)

A process for producing sticky polymers at polymerization reaction temperatures in excess of the softening temperature of the sticky polymers in a fluidized bed reactor catalyzed by a transition metal catalyst, which comprises conducting the polymerization reaction above the softening temperatures o ...


10
Stuart J Kurtz, James E Potts: Low level irradiated linear low density ethylene/alpha-olefin copolymers and film extruded therefrom. Union Carbide Corporation, Clement J Vicari, June 25, 1985: US04525257 (57 worldwide citation)

Low level irradiation of narrow molecular weight distribution, linear, low density ethylene/alpha-olefin copolymer sufficient to introduce crosslinks into the copolymer but insufficient to provide for significant gelation produces improved copolymer rheology providing superior film fabrication.