Containers comprising polyester compositions which comprise cyclobutanediol
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 3, 2015
Grant Date -
Apr 25, 2013
app pub date -
Dec 10, 2012
filing date -
Jun 17, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Described are bottles(s) comprising at least one polyester composition comprising at least one polyester which comprises terephthalic acid residues; 30 to 40 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 60 to 70 mole % of 1,4-cyclohexanedimethanol residues, wherein the inherent viscosity of said polyester is from 0.50 to 0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C.; wherein said polyester has a notched Izod impact strength of at least 7.5 ft-lb/inch at 23° C. according to ASTM D256 with a 10-mil notch in a ⅛-inch thick bar; wherein the melt viscosity of said polyester is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C.; and wherein said polyester composition contains no polycarbonate.
First Claim
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- E01F:ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CO....
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- A61M:DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE B....
- A61J:CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMA....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- A01G:HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, ....
- E04D:ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING ....
- A47F:SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SH....
- G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- B01D:SEPARATION
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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