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Class 525/271 - Specified material contains a Group IA atom in elemental form or bonded to hydrogen or carbon


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the specified material contains a
No. of applications: 8
Last issue date: 12/29/2011


Application No.Application TitleIssue Date
20110319568COPOLYMER RUBBER HAVING A STAR-SHAPED BLOCK STRUCTURE, THE PREPARATION PROCESS AND USE THEREOF
Provided is a copolymer rubber, comprising a copolymer having a star-shaped block structure (SIB-PA)n-X, wherein SIB is a block comprising styrene, butadiene, and isoprene as constituent monomers; PA is a block comprising butadiene or isoprene as a constituen...
12/29/2011
20110207874CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER COMPOSITION, AND METHOD FOR PRODUCING CONJUGATED DIENE POLYMER
A conjugated diene polymer is provided that includes a conjugated diene-based monomer unit and a monomer unit based on a compound represented by Formula (1) below, the monomer unit based on a compound represented by Formula (1) below being between a conjugated diene-bas...
08/25/2011
20090247692CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER COMPOSITION, AND PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER
A conjugated diene polymer is provided that includes a conjugated diene-based constituent unit and a group represented by Formula (I) below at both termini of a polymer chain.

(In the formula, R1 d...

10/01/2009
20080045664Process for Producing Conjugated Diolefin (Co) Polymer Rubber, Conjugated Diolefin (Co) Polymer Rubber, Rubber Composition, and Tire
There is provided a method for producing a conjugated diolefin (co)polymer rubber excellent in processability, independently of the kind and combination of filling agent incorporated, excellent in a balance among wet-skid characteristics, low hysteresis loss, wear resis...
02/21/2008
20070232759GRAFT COPOLYMER AND METHOD FOR PREPARING THE SAME
The present invention relates to a graft copolymer and a method for preparing the same, and more precisely a graft copolymer prepared by the steps of preparing a living activator with a single monomer and a block copolymer of a vinyl aromatic hydrocarbon or a conjugated...
10/04/2007
20060246308Polypropylene based heat shrinkable film
A polypropylene based heat shrinkable film obtained by using a propylene-ethylene block copolymer (A) which satisfies the following requirements (A-i) to (A-iv), and having heat shrinkability imparted by orientation in at least one direction: (A-i) it is a propylene-eth...
11/02/2006
20060241265Method of converting anionic living end to protected free radical living end and applications thereof
Provided is a method of converting an anionic living end to a protected free radical “living” end in a well-controlled manner, which enables copolymerization by plural mechanisms. The method is particularly useful for copolymerization of anionically polymerizable mo...
10/26/2006
20050020779Block ethylenic copolymers cosmetic compositions containing them and cosmetic use of these copolymers
Linear block ethylenic copolymer comprising: at least two blocks with different glass transition temperatures (Tg); at least one of these blocks having a glass transition temperature of greater than or equal to 20° C.; said polymer also having mechanical parameters tha...
01/27/2005
 
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