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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Bambara; John D.
Address:
Osterville, MA
No. of patents:
27
Patents:












Patent Number Title Of Patent Date Issued
6531520 Polymer blend March 11, 2003
The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a single-site catalyzed polyolefin resin having a density of below 0.878 g cm.sup.-3 and up to 4
6472015 Cross-linked polyolefin tape October 29, 2002
The invention relates to polymer tapes that are blends including at least one silane-grafted single-site initiated polyolefin resin. The silane-grafted single-site initiated polyolefin resin generally is a copolymer of ethylene and a C.sub.3 -C.sub.20 alpha-olefin that has a molecula
6359021 Polymer blend March 19, 2002
The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a single-site catalyzed polyolefin resin having a density of below 0.878 g cm.sup.-3 and up to 4
6350512 Cross-linked polyolefin foam February 26, 2002
The invention relates to polymer tapes that are blends including at least one silane-grafted single-site initiated polyolefin resin. The silane-grafted single-site initiated polyolefin resin generally is a copolymer of ethylene and a C.sub.3 -C.sub.20 alpha-olefin that has a molecula
6316512 Silane-grafted materials for solid and foam applications November 13, 2001
New cross-linked polymeric foam compositions, and methods for making the same, are provided. The new compositions utilize novel cross-linked polyolefin copolymers and show improvements in strength, toughness, flexibility, heat resistance and heat-sealing temperature ranges as compare
6262137 Polymer articles including maleic anhydride and ethylene-vinyl acetate copolymers July 17, 2001
Polymer articles including ethylene-vinyl acetate and maleic anhydride are described. The ethylene-vinyl acetate can be a high vinyl acetate content ethylene-vinyl acetate. The articles include foamed articles and non-foamed articles. The foamed articles have improved characteristics and
6242503 Polymer articles including maleic anhydride and ethylene-vinyl acetate copolymers June 5, 2001
Polymer articles including ethylene-vinyl acetate and maleic anhydride are described. The ethylene-vinyl acetate can be a high vinyl acetate content ethylene-vinyl acetate. The articles include foamed articles and non-foamed articles. The foamed articles have improved characteristics and
6221928 Polymer articles including maleic anhydride April 24, 2001
Polymer articles including maleic anhydride are described. The articles have improved characteristics and properties, such as surface bonding properties, even when the article includes a large percentage of ethylene propylene diene monomer terpolymer, ethylene-vinyl acetate, ethylene
6214894 Ethylene-styrene single-site polymer blend April 10, 2001
The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a single-site catalyzed polyolefin resin having a density of below 0.878 g cm.sup.-3 and up to 4
6167790 Laminated foam structures with enhanced properties January 2, 2001
The invention relates to foam structures with enhanced physical properties which can be used in the areas of packaging, athletics, water sports, and construction. In general, the structures are laminated polymer foams that include a core of a low density foam and one or more skins of rel
6103775 Silane-grafted materials for solid and foam applications August 15, 2000
New cross-linked polymeric foam compositions, and methods for making the same, are provided. The new compositions utilize novel cross-linked polyolefin copolymers and show improvements in strength, toughness, flexibility, heat resistance and heat-sealing temperature ranges as compare
6054005 Polymer structures with enhanced properties April 25, 2000
Polymer structures having a laminated surface and enhanced physical properties that can be used for packaging, athletic gear (e.g., padding, water sport equipment), gaskets, and protective garments are described. The structures include a core of a relatively high density material and
6004647 Polymer blend December 21, 1999
The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a single-site catalyzed polyolefin resin having a density of below 0.878 g cm.sup.-3 and up to 4
5998006 Variegated extruded article and method of making December 7, 1999
An extruded article having elongated variegations is described. The variegated extruded article has a plurality of elongated variegations that are substantially parallel to the direction of extrusion of the article. The number of elongated variegations in the article and the widths of th
5938878 Polymer structures with enhanced properties August 17, 1999
Polymer structures having a laminated surface and enhanced physical properties that can be used for packaging, athletic gear (e.g., padding, water sport equipment), gaskets, and protective garments are described. The structures include a core of a relatively high density material and
5932659 Polymer blend August 3, 1999
The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a single-site catalyzed polyolefin resin having a density of below 0.878 g cm.sup.-3 and up to 4
5883144 Silane-grafted materials for solid and foam applications March 16, 1999
New cross-linked polymeric foam compositions, and methods for making the same, are provided. The new compositions utilize novel cross-linked polyolefin copolymers and show improvements in strength, toughness, flexibility, heat resistance and heat-sealing temperature ranges as compare
5882776 Laminated foam structures with enhanced properties March 16, 1999
The invention relates to foam structures with enhanced physical properties which can be used in the areas of packaging, athletics, water sports, and construction. In general, the structures are laminated polymer foams that include a core of a low density foam and one or more skins of rel
5876813 Laminated foam structures with enhanced properties March 2, 1999
The invention relates to foam structures with enhanced physical properties which can be used in the areas of packaging, athletics, water sports, and construction. In general, the structures are laminated polymer foams that include a core of a low density foam and one or more skins of rel
5859076 Open cell foamed articles including silane-grafted polyolefin resins January 12, 1999
Open cell foamed articles including silane-grafted single-site inititiated polyolefin resins are described. The single-site initiated olefin polymer resin can be a polyethylene, a copolymer of ethylene, a C3-C20 alpha-olefin, or a copolymer of ethylene, a C3-C20 alpha-olefin and a C4
5844009 Cross-linked low-density polymer foam December 1, 1998
The invention relates to physically-blown low density polyethylene (LDPE) foams that are blends of an LDPE resin and a silane-grafted single-site initiated polyolefin resin. The LDPE resin generally has a density between about 0.91 and about 0.93 g/cm.sup.3 and a melt index greater than
5350544 Method of preparing a cross-linked, polyethylene foam product by surface expansion of a foam September 27, 1994
A method for the preparation of a cross-linked, rigid, polyethylene, foam sheet product, which method comprises heating at least one surface of a cross-linked, polyethylene, foam sheet material, to a temperature sufficient to cause a slight surface post-expansion of the foam sheet ma
4837060 Tubing plank June 6, 1989
A tubing plank is fabricated from foamed tubular members positioned parallel to and adjacent each other, the members having substantially coplanar longitudinal axes, and each member secured to each adjacent member along adjacent sidewalls to form a planar member. A sheet member may b
4836814 Multicolored foam and method for making June 6, 1989
A multicolored foam product and a method for the preparation thereof. Heat-plastified foamable gel of a thermoplastic resin or resins containing blowing agents are combined with different coloring materials added sequentially and extruded through an orifice of a die which is extended in
4087002 Shipping bag May 2, 1978
An improved cushioned shipping bag is disclosed, together with a unique method of continuously making the bags. The improved bag protects objects from being damaged when they are transported, shipped, handled or sent in the mail. A continuous layer of foamed plastic sheet material is
4011798 Method of making shipping bag March 15, 1977
An improved cushioned shipping bag is disclosed, together with a unique method of continuously making the bags. The improved bag protects objects from being damaged when they are transported, shipped, handled or sent in the mail. A continuous layer of foamed plastic sheet material is
3948436 Multilayer bag April 6, 1976
A tear and puncture resistant and padded shipping bag is formed from a laminate including at least one layer of tear resistant, synthetic fibrous material, and at least one layer of synthetic foam padding. The fibrous material and the padding are secured together at contiguous faces by,










 
 
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