Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Reexamination Certificate
2005-04-19
2005-04-19
Sergent, Rabon (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
C521S155000, C521S170000, C524S492000, C524S494000, C524S701000, C524S789000, C528S048000, C528S055000, C528S056000, C528S057000
Reexamination Certificate
active
06881764
ABSTRACT:
There is disclosed a polyurethane composition with a glass cullet filler. The composition comprises at least one polyol, an isocyanate, a catalyst and glass cullet. The glass cullet has an average particle size of not greater than 100 mesh and not less than 325 mesh. A method of producing a polyurethane composition with a glass cullet filler is also disclosed.
REFERENCES:
patent: 3931064 (1976-01-01), Ray et al.
patent: 4863518 (1989-09-01), Blount
patent: 6284186 (2001-09-01), Hansen
Internet advertisement “Recycled Glass,” by Universal Ground Cullet, Inc., at <www.groundcullet.com>, last visited Nov., 2001.
Internet article “Processed Ground Cullet ‘Glass,’” by Universal Ground Cullet, Inc., at <www.groundcullet.com>, last visited Nov., 2001.
Internet article “Glass Applications,” by Universal Ground Cullet, Inc., at <www.groundcullet.com>, last visited Nov., 2001.
Brochure entitled “Respirator Health Aspects of Ground Glass vs. Ground Silica,” a ReTAP Technology Brief, by Clean Washington Center.
Brochure entitled “Strategic Materials, Inc. The Nation's Largest Producer of Quality Glass Cullet and Specialty Powders,” by Strategic Materials Inc., 1999.
Doesburg Van I.
Giddens Milton Bradley
Kilpatrick & Stockton LLP
Sergent Rabon
Textile Rubber & Chemical Company, Inc.
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