| Patent Number |
Title Of Patent |
Date Issued |
| 4835025 |
Barrier laminates for containment of essential oils, flavors, oxygen and vitamins and cartons ma |
May 30, 1989 |
| A laminate providing an effective barrier to the migration of essential oils and/or flavorings, such as d-limonene and for the retention of Vitamin C, is provided comprising from the outer surface to the inner surface, a paperboard substrate, a web of nylon directly coated thereon, a |
| 4777088 |
Barrier laminates for containment of essential oils, flavors, oxygen and vitamins |
October 11, 1988 |
| A laminate providing an effective barrier to the migration of essential oils and/or flavorings, such as d-limonene and for the retention of Vitamin C, is provided comprising from the outer surface to the inner surface, a paperboard substrate, a web of nylon directly coated thereon, a |
| 4513036 |
Barrier laminates for containment of essential oils and flavors and cartons made therefrom |
April 23, 1985 |
| A laminate providing an effective barrier to the migration of essential oils and/or flavorings, such as d-limonene, therethrough is provided comprising, from the outer surface to the inner surface, a paperboard substrate, a web of propylene polymer coated thereon and a web of olefin |
| 4455184 |
Production of laminate polyester and paperboard |
June 19, 1984 |
| This invention provides a process for the lamination of a polyester, particularly polyethylene terephthalate, to a paperboard substrate which comprises coextruding a polyester layer and a polymeric adhesive layer onto a paperboard substrate. By use of this process, well adhered coatings |
| 4432820 |
Process for production of polyester-polyolefin film laminates |
February 21, 1984 |
| A process for the production of a permanently bonded polyester-polyolefin film laminate is disclosed herein. The process involves exposing the surface of polyester or polyolefin film to contact with a flame so as to prime the surface thereof and thereafter coating the primed surface of t |
| 4372737 |
Method and apparatus for forming a plastic fluid container with an integral handle |
February 8, 1983 |
| A process and apparatus is disclosed for thermoforming an all plastic carton used to house a fluid with integral, kidney-shaped depressions in adjacent side walls of the carton to serve as handle members to aid in pouring the fluid contents from the carton. A pair of mandrels are ins |
| 4348346 |
Polyester film extrusion with edge bead control |
September 7, 1982 |
| Disclosed is an improved process for extruding films of thermoplastic polyester film-forming materials. The process enables extrusion of films with reduced problems of neck-in, edge-weave and beading, by laminar flow feeding a small amount of a polymer into the extruder die in the area n |
| 4343858 |
Pigmented coated paperboard |
August 10, 1982 |
| A pigment-coated paperboard is provided which comprises a paperboard substrate on which there are coextruded a top film of polyethylene terephthalate and an intermediate layer of an acrylic ester copolymer containing from about 1/2 to about 15% pigment particles. Such coated paperboa |
| 4334942 |
Method for forming a plastic fluid container with an integral handle |
June 15, 1982 |
| A process and apparatus is disclosed for thermoforming an all plastic carton used to house a fluid with integral, kidney-shaped depressions in adjacent side walls of the carton to serve as handle members to aid in pouring the fluid contents from the carton. A pair of mandrels are ins |
| 4327861 |
Fluid container |
May 4, 1982 |
| An all plastic carton housing a fluid is provided with integral, kidney-shaped depressions in adjacent side walls of the carton to serve as handle members to aid in pouring the fluid contents from the carton. The carton also includes an integral pouring spout having a center line axis |
| 4327136 |
Polymeric multi-layer sheet material and tray |
April 27, 1982 |
| In a multi-layer sheet material from which containers adapted to heat food in microwave ovens may be erected, the sheet material comprising a core layer and a transparent surface layer on each side of the core layer, the improvement comprising an intermediate layer located between the co |
| 4272312 |
Process for extruding films of thermoplastic polyester film-forming materials |
June 9, 1981 |
| Disclosed is an improved process for extruding films of thermoplastic polyester film-forming materials. The process enables extrusion of films with reduced problems of neck-in, edge-weave and beading, by feeding a small amount of a polymer which is readily processable with the polyester |
| 4224092 |
Method for making all-plastic heat-sealable container |
September 23, 1980 |
| The invention provides a dynamic system for heat-sealing an all-plastic material in a continuous process at high speed. The invention includes an all-plastic heat-sealable container material comprising a multiple-layer composite, in sheet form, including a core layer and at least one out |
| 4183435 |
Polymeric multiple-layer sheet material |
January 15, 1980 |
| A polymeric multiple-layer sheet material particularly suited for making containers for food products to be cooked or reheated in microwave ovens has a relatively thick core layer of foamed, high density polyethylene with thinner surface layers of a coextruded polyester, such as poly |
| 4126262 |
All-plastic heat-sealable container material and method of making |
November 21, 1978 |
| The invention provides a dynamic system for heat-sealing an all-plastic material in a continuous process at high speed. The invention includes an all-plastic heat-sealable container material comprising a multiple-layer composite, in sheet form, including a core layer and at least one out |
| 4112173 |
Concrete module unit |
September 5, 1978 |
| A casting sheet comprising medium to high density polyethylene provides low release resistance when used as a liner for casting concrete articles. The casting sheet may comprise polyethylene-coated paperboard having a polyethylene coating on both sides, and such sheet be employed, for |
| 4028551 |
Apparatus and method for corona discharge priming a dielectric web |
June 7, 1977 |
| A dielectric web substrate is primed for adhesion of a plastic coating by passing between two rolls in rolling contact therewith. One roll has a conductive core and an insulating jacket while the other roll has a conductive surface. A high voltage A.C. source is connected between the |
