Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-01-17
2006-01-17
Teskin, Fred (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S281000, C526S308000, C053S401000, C053S484000
Reexamination Certificate
active
06987156
ABSTRACT:
A film and method for fastening cargo during transportation wherein the film has a percentage strain change 100 hours after applying a load of 3.5 MPa at a temperature of 23° C. of not more than 2.0%, and a percentage strain change 100 hours after applying a load of 0.5 MPa at a temperature of 55° C. of not more than 2.5%. Moreover, it is preferable for the elastic modulus at a temperature of 23° C. to be not more than 60 MPa, and the elastic modulus at a temperature of 55° C. to be not more than 20 MPa. Such a film can be formed from substantially random interpolymer(s) each comprising 1 to 99 mol % of polymer units derived from an aromatic vinyl or vinylidene monomer and/or a hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, and 1 to 99 mol % of polymer units derived from at least one α-olefin having 2 to 20 carbon atoms. The above film has a low percentage strain change compared with films made of EVA or a urethane resin, and hence the ability to hold/fasten products during transportation is excellent, and thus the products can be prevented from being damaged.
REFERENCES:
patent: 6148591 (2000-11-01), Ridgeway et al.
patent: 6376095 (2002-04-01), Cheung et al.
patent: 2001/0012879 (2001-08-01), Arai et al.
patent: 1224031 (1999-07-01), None
patent: 0416815 (1991-03-01), None
patent: WO 98/10014 (1998-03-01), None
Arimoto Masashi
Kimura Tomohiko
Takeyama Saburou
Buchanan & Ingersoll PC
Mitsui Chemicals Inc.
Teskin Fred
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