1
Pamela J J Kincaid, Virgil B Kurfman, Nick M Sbrockey: Barrier films having an amorphous carbon coating and methods of making. The Dow Chemical Company, L E Hessenaur Jr, July 12, 1988: US04756964 (64 worldwide citation)

A barrier film having excellent low oxygen permeability is provided and includes a flexible polymeric substrate having an adherent amorphous carbon coating. The coating is applied by generating a gas plasma from a hydrocarbon gas within a coating chamber such that ions in the gas plasma impinge upon ...


2
Theodore C Wallace, Bernie A Kozakiewicz: Thermoformable multilayer barrier structures. The Dow Chemical Company, L E Hessenaur Jr, March 3, 1987: US04647509 (55 worldwide citation)

A multilayer thermoformable packaging material is provided and includes one layer of barrier material containing a resin having low gas and vapor transmission properties. The multilayer structure also includes one layer which utilizes scrap produced from the multilayer structure. Other optional laye ...


3
Julie M Fisher, Dennis R Tumminia: Closure for thermoplastic containers. The Dow Chemical Company, L E Hessenaur Jr, April 12, 1988: US04736496 (55 worldwide citation)

A method for providing a wide-track integral thermoplastic closure for film or sheet stock. The closure includes ribs on either side of an element of the closure to provide the wide-track effect to assist one in ease of interlocking the closure elements. By varying the thickness of the closure eleme ...


4
Charles L Mott: Antistatic sheet material and package. The Dow Chemical Company, L E Hessenaur Jr, July 12, 1988: US04756414 (46 worldwide citation)

A flexible sheet material and package formed therefrom is provided. The multilayer sheet material includes a first flexible heat sealable plastic material with antistatic properties on at least the one major surface thereof which first layer is laminated to a second flexible plastic material with an ...


5
Raymond D Behr, Larry M Zieke: Thermoplastic film with integral closures and reclosable container formed therefrom. The Dow Chemical Company, L E Hessenaur Jr, October 20, 1987: US04701358 (40 worldwide citation)

An improved cast process and apparatus for fusing closure elements, particularly those with thickened bases, to separately extruded film or sheet stock for making containers with integral reclosable closures. The process is applicable to webs of film which contain more than one pair of closure eleme ...


6
Scott A Silvenis: Dual dispensing bottle. The Dow Chemical Company, L E Hessenaur Jr, October 21, 1986: US04618076 (36 worldwide citation)

A dual dispensing bottle includes two upwardly extending necks having a trigger sprayer attached to one neck and a frangible orifice creating section integrally formed in the other neck. The frangible section is easily removed by twisting and doubles as a plug for the created orifice. The frangible ...


7
Larry M Zieke: Transversely adjustable profile die block. The Dow Chemical Company, L E Hessenaur Jr, June 11, 1985: US04522678 (36 worldwide citation)

In the manufacture of film containing integral fasteners and the like, the film commonly exits through an elongated slot die while profiles for the fasteners exit through a smaller configured slot located laterally along the film die slot. The fastener profiles normally carry a thickened base so tha ...


8
David A Smith: Bag transfer device. The Dow Chemical Company, L E Hessenaur Jr, May 13, 1986: US04588070 (31 worldwide citation)

Apparatus for clamping and transferring to another location stacks of bags or other products of varying sizes. The apparatus preferably includes sets of clamping jaws for grasping the stacks of bags. The jaws are designed for movement in more than one direction in substantially the same plane so tha ...


9
Ralph E Ayres, Kenneth J Cleereman, Walter J Schrenk: Scrapless forming of plastic articles. The Dow Chemical Company, L E Hessenaur Jr, February 1, 1977: US04005967 (29 worldwide citation)

Apparatus for rapidly making thermoplastic containers wherein the resultant containers can, if desired, be multilayered for vapor or gas barrier or other reasons, or be oriented for toughness and improved stress crack resistance. The apparatus takes a measured amount of thermoplastic material which ...


10
Elizabeth Riley, Wayne E Petersen: Protected membrane roof system for high traffic roof areas. The Dow Chemical Company, L E Hessenaur Jr, April 21, 1987: US04658554 (27 worldwide citation)

An insulated roofing system is provided in which a waterproof membrane is applied to the roof deck. Extruded panels of closed cell polystryrene foam are provided on top of the membrane, thus protecting the membrane from thermal cycling, ultraviolet rays, and physical damage. The foam panels provide ...