U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The radio craze will die out in time."

Thomas Edison ; 1922

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 524/573 - Interpolymer of two or more diene monomers


Subclass of Class 524 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein a -C=C-C=C-hydrocarbon
No. of patents: 55
Last issue date: 05/01/2012


1    
NumberTitleIssue Date
8168715Sliding coating for winter sports equipment
According to the invention, a sliding coating for winter sports equipment is provided, which has a copolymer (I) and optionally a copolymer (II), wherein the sliding coating for a winter sports equipment comprises a copolymer (I) having 10% or more of structural bui...
05/01/2012
7441574Pneumatic tire
The present invention relates to a pneumatic tire including at least one component, said at least one component including a rubber composition, said rubber composition including at least one diene based rubber; and at least one metal organic framework material inclu...
10/28/2008
7351759Rubber composition for a tire comprising a coupling agent having a polythiosulfenamide function
An elastomeric composition usable for the manufacture of tires, based on at least (i) a diene elastomer, (ii) an inorganic filler as reinforcing filler and (iii), as (inorganic filler/diene elastomer) coupling agent, a polysilylated organosilicon compound which is a...
04/01/2008
7335411Method of producing a tire composition having improved silica reinforcement
Vulcanizable elastomeric compositions and vulcanizates are prepared by employing a strong acid. The strong acid is believed to enhance the reaction between a silica particle and a silica-reactive compound. ...
02/26/2008
7319123Use of sulfur containing initiators for anionic polymerization of monomers
An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic initiator, and optionally as additional functional group resulting f...
01/15/2008
7241824Rubber composition for a tire comprising a coupling agent (white filler/diene elastomer) activated by a heat-triggered radical initiator
A sulphur-vulcanizable rubber composition usable for the manufacture of tires, based on at least: (A)—one diene elastomer selected from the group consisting of polybutadienes, natural rubber, synthetic polyisoprenes, butadiene copolymers, isoprene cop...
07/10/2007
7205360Preparation process for block copolymers for tire tread compositions, and such copolymers
A preparation process for a copolymer having two blocks usable in a sulphur-cross-linkable rubber composition of reduced hysteresis in the cross-linked state, such a block copolymer in which one of the blocks is a polyisoprene and the other a diene elastomer other t...
04/17/2007
7202295Rubber composition based on diene elastomer and a reinforcing silicon carbide
A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, a reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler and the elastomer, wherein said inorganic filler comprises a silicon ...
04/10/2007
7199175Tread for a tire having a rigidity gradient
A tire tread comprising a rubber composition based on (phr: parts by weight per hundred parts of elastomer): (i) a diene elastomer; (ii) more than 50 phr of an inorganic filler as reinforcing filler;
04/03/2007
7148303Butyl-type rubber with high hardness
The present invention relates to an elastomeric polymer having repeating units derived from at least one isomonoolefin monomer, at least one multiolefin monomer, at least one diisoalkenylbenzene monomer, and optionally further copolymerizable monomers, wherein the p...
12/12/2006
7084201Non-flammable waterproofing composition
A composition of matter and a solvent system for use in providing a water resistant coating to basement walls is disclosed. The solvent system comprises a chlorinated solvent blend. The solvent system and coating composition have no flash point, are non-flammable an...
08/01/2006
6794428Carbon black coupler
A coupler is described for use in carbon black filled rubber compositions. The coupler includes an amine group and a thiol group or a polysulfidic linkage. The coupler improves the interaction of the carbon black with the rubber as measured by a decrease in the tan ...
09/21/2004
6723764Preparation process of enlarged latex
A process for preparing an enlarged latex, which comprises (1) causing (a) an anionic surfactant and (b) at least one surfactant selected from the group consisting of a cationic surfactant and an amphoteric surfactant to exist in a latex, (2) adding, as an aggregati...
04/20/2004
6696518Method of selectively hydrogenating ethylenically unsaturated double bonds in polymers
The present invention relates to a process for hydrogenating ethylenically unsaturated double bonds in polymers P by reacting an aqueous dispersion of at least one polymer P with hydrogen in the presence of at least one hydrogenation catalyst comprising a...
02/24/2004
6369151Rubber composition for tire tread
The present invention provides a rubber composition for tire tread having compatibility between low fuel consumption and abrasion resistance, especially abrasion resistance under severe condition. The rubber composition for tire tread is obtained by addin...
04/09/2002
6316486Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides
The present invention relates to new compounds of the formula (I) ##STR1## in which X represents halogen, Y represents halogen or alkyl and Z represents halogen or alkyl, with the proviso that always one of the radicals Y and Z represents halogen while the oth...
11/13/2001
6313205Composition of diene rubber reinforced with a white filler, comprising a multi-functionalized polyorganosiloxane as coupling agent (white filler/elastomer)
The invention concerns a rubber sulfur-vulcanizable composition designed for manufacturing tire treads, comprising at least a diene elastomer, a white filler as reinforcing filler and as coupling agent (white filler/elastomer) a multifunctionalized polyor...
11/06/2001
6197875Silica particulates
A particulate silica which has been treated with a polymer oil jelly....
03/06/2001
6020441Hydroformylation of ethylenically unsaturated polymers in aqueous dispersion
Polymers containing ethylenically unsaturated double bonds are hydroformylated by reacting aqueous dispersions of the polymers with hydrogen and carbon monoxide in the presence of suitable hydroformylation catalysts. Also provided are the polymer dispersi...
02/01/2000
6004677Gas phase production of polydienes with pre-activated nickel catalysts
There is provided a process for producing polydienes, such as polybutadiene and polyisoprene, in a gas phase fluidized bed reactor using a pre-activated nickel catalyst which is highly active for cost effective production of these dienes in gas phase....
12/21/1999
5859120Carbon black and processes for manufacturing
Carbon blacks containing silicon and a process for manufacturing them. The carbon blacks containing silicon are suitable as reinforcing carbon blacks for rubber mixtures and give the latter viscoelastic properties such as reduced rolling resistance in tir...
01/12/1999
5844044Trans 1,4-butadiene/isoprene copolymers and tire with tread thereof
Trans 1,4-copolymers of butadiene and isoprene are provided as blends with other elastomers, including partial replacement of natural cis 1,4-polyisoprene in elastomer compositions. Pneumatic rubber tires with components composed of such elastomer blends,...
12/01/1998
5780537Silica-filled rubber composition containing two different carbon blacks and tire with tread made therefrom
The present invention relates to a silica-filled rubber composition reinforced with a combination of silica and a mixture of two defined carbon blacks and to pneumatic tires having treads comprised of such rubber composition....
07/14/1998
5780540Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated and functionalized. The dispersant substances include compositions including a copolymer of two different ...
07/14/1998
5696197Heterogeneous silica carbon black-filled rubber compound
The present invention relates to a heterogeneous silica/carbon black-filled rubber compound and a process for making the same. The rubber compound is characterized by containing silica, two different carbon blacks and two different rubbers. One of the car...
12/09/1997
5612436Isoprene-butadiene diblock rubber
The subject invention discloses an isoprene-butadiene diblock rubber which is particularly valuable for use in making treads for tires which have improved wear characteristics without compromising traction characteristics or rolling resistance. Said isopr...
03/18/1997
5610228Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom
An anionic polymerization initiator includes a carbon-lithio salt of the adduct of a cyclic secondary amine with a conjugated diene. A method of preparing an anionic polymerization initiator includes reacting an excess of a cyclic secondary amine with a c...
03/11/1997
5610227Lithium amino magnesiate polymerization initiators and elastomers having reduced hysteresis
The present invention provides anionic polymerization initiators, comprising lithium amino magnesiate complexes, resulting in diene polymer and copolymer elastomers. The invention initiators have stable living ends at high polymerization temperatures and ...
03/11/1997
5604286Caoutchouc mixture, tread made therefrom and tire with this tread
A caoutchouc mixture vulcanisable with sulphur, tire treads manufactured therefrom and also tires with these vulcanised tire treads are proposed. The caoutchouc mixture contains 30 to 100 parts by weight of isoprene-butadiene copolymer, 0 to 70 parts by w...
02/18/1997
5514756Coupled styrene-isoprene-butadiene rubber
The subject invention discloses a process for preparing a coupled styrene-isoprene-butadiene rubber which is particularly valuable for use in making automobile tire tread rubber compounds which comprises the steps of (1) solution terpolymerizing in an org...
05/07/1996
5405899Radial tire
The present invention provides an optimum radial tire which is suitable for each car. In the present invention, an ଱ value is introduced as indicating the properties of the car and the tread rubber of the tire is selected according to the ଱ va...
04/11/1995
5324758Vibration damping material of asphalt cement
A vibration damping material of asphalt cement comprising a) 60-90 parts by weight of asphalt cement: b) 10-30 parts by weight of thermoplastic rubber: and c) 0-20 parts by weight of tacky producer. A total sum of weight of a), b) and c) is 100 parts by w...
06/28/1994
5317057(Halomethyl vinyl arene)-modified elastomers and compositions containing them having reduced hysteresis properties
A (halomethyl arene)-modified elastomer is made by reacting a lithium terminated elastomer intermediate with the halogen atoms of a halomethyl vinyl arene compound. A road-contacting tread component for a pneumatic tire is fabricated from vulcanized elast...
05/31/1994
5310490Viscosity modifer polymers
The present invention relates to hydrogenated block copolymers of butadiene and at least one other diene, preferably isoprene. The copolymer is hydrogenated and comprises at least 10% by weight of at least one crystallizable segment and at least one low c...
05/10/1994
5250630Pneumatic tire
A heat resistant pneumatic tire whose tread is composed of a rubber composition comprising, as a main rubber component, a modified, conjugated diene based polymer prepared by adding an ଱, ଲ-unsaturated carboxylic acid represented by the follow...
10/05/1993
5070131Gear oil viscosity index improvers
A gear oil composition is provided, the composition comprising a hydrogenated star conjugated diolefin polymer having arms with weight average molecular weights between about 3,000 and about 15,000. Such star polymers are effective as viscosity index impr...
12/03/1991
4822845Rubber compositions modified with heterocyclic di-N-oxides
It now has been found that uncured rubber composition comprising rubbers having an unsaturated carbon chain and at least one carbon black can be improved by including therein, a minor property-improving amount of at least one aromatic heterocyclic di-N-ox...
04/18/1989
4820751Rubber composition for tires
A rubber composition for tires having improved heat build-up and high temperature reinforcibility comprises specified amounts of particular surface-treated carbon black, silica and particular silane coupling agent based on 100 parts by weight of rubber in...
04/11/1989
4788231Process for producing pourable powdered rubber containing filler
A process for preparing a pourable powdered rubber containing filler, comprising preparing a blend by mixing a portion of said filler to be incorporated in said rubber product with 0.1 to 6.5 phr of a water-soluble salt of a Group IIa, IIb, IIIa or VIII m...
11/29/1988
4788008Flame retardant vinylidene chloride latexes and coatings thereof
A latex copolymer composition is produced having good flame retardancy. The copolymer is typically made from vinylidene chloride monomers, conjugated diene monomers, vinyl substituted aromatic monomers, and functional monomers such as unsaturated mono or ...
11/29/1988
1    
 
Sign InRegister
Username  
Password   
forgot password?