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

Icon_funbox Bizarre Patents

Patent No. 5678617

Method and apparatus for making a drink hop along a bar or counter

A method for generating a drink which appears to hop from a remote spot on the bar or counter and take one or more leaps, before landing in a patron's glass.

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 528/340 - From at least two organic polyamines


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein a polymer is derived from at least
No. of patents: 343
Last issue date: 12/25/2012


1                  
NumberTitleIssue Date
8338561High melting point polyamide
Polyamide having a melting point between 330° C. and 370° C., said polyamide comprising: a diamine component (a) comprising between 0 and 55 mole %, based on the total number of moles of the diamine component (a), of at least one...
12/25/2012
8293863Polyamide curative from substituted amine and dimer fatty acid or ester
The present invention provides polyamide curing agent compositions comprising the reaction products of (1) multifunctional amines of structure 1 where R1 is CH2CH2CH2NH2; R2, R3 and R4 ...
10/23/2012
8058386Polyalkylene glycol-based poly(ester-amide) polymers, methods of making and methods of using same, compositions and products comprising same
Polyether poly(ester-amide) block copolymer having a softening point between 60° C. and 180° C., formed from reaction mixtures comprising a diacid, a poly(alkyleneoxy)diamine, and a poly(alkyleneoxy)polyol, wherein said diacid is a cyclohexane dicarboxylic acid; o...
11/15/2011
7605223Low melt viscosity imide oligomers and polyimides therefrom
The present invention relates to novel imide oligomer compositions, polyimides formed therefrom, and methods for making and using the same. In particular, the invention relates to novel polyimide oligomers comprising 3,3′,4,4′-benzophenone tetracarboxylic dianhy...
10/20/2009
7572878Polycyclic polyimides and compositions and methods relating thereto
The present invention is directed to the use polycyclic diamines. These diamines, when polymerized with dianhydrides, and optionally other non-polycyclic diamines are used to form new polyamic acids. The polyamic acids can be imidized to form a new class of useful p...
08/11/2009
7435788Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents
This disclosure covers polymers, some of which are useful in medical device applications. The polymers comprise at least two different blocks, at least one L1 block with the formula and at least one L2 block with the formul...
10/14/2008
7407544Polymeric dispersants based on addition of amines to dialkylsuccinyl succinate or its derivatives
Dispersants for pigments as well as dispersions of pigments containing them, and compositions such as inks and coatings containing them are described. The dispersants are the reaction product of a dialkylsuccinyl succinate and an amine. ...
08/05/2008
7381788Method for continuous production of polyamide
Provided is a continuous production method of a polyamide with stabilized polymerization degree and good quality, particularly an aromatic-containing polyamide. A continuous production method of a polyamide, comprising (a) a raw material preparation step of individu...
06/03/2008
7265197Polymeric dispersant
A polymeric dispersant of the structure: wherein R1 is selected from the group consisting of H, CH3, and a combination thereof, and n is an integer from 4 to 200, for use in printing inks.
09/04/2007
7264705Cathodic electrocoating compositions containing an anti-crater agent
An improved aqueous cathodic electrocoating composition that contains an anti-crater agent which is a water-reducible polyester resin having an acid value less than 40 mg KOH/g. The water-reducible polyester is the reaction product of (1) a hydroxy cyclic carbonate;...
09/04/2007
7264706Cathodic electrocoating compositions containing an anti-crater agent
An improved aqueous cathodic electrocoating composition that contains an anti-crater agent which is a water-reducible polyester resin having an acid value less than 40 mg KOH/g. The water-reducible polyester is the reaction product of (1) a hydroxy cyclic carbonate;...
09/04/2007
7230067Masterbatch and production method of oxygen-absorbing molded article
In the present invention, a masterbatch is produced by melt-mixing a metal compound (B) with a reactive thermoplastic resin (C). The oxidizable polyamide (A) is produced by polycondensing a diamine component containing m-xylylenediamine in an amount of 70 mol % or h...
06/12/2007
7138482Production method of polyamide
In the production method of polyamide of the present invention, the mole balance at a set point during melt polymerization is estimated from a pre-established equation for calculating the mole balance during melt polymerization from a melt viscosity. On the basis of...
11/21/2006
7112647Fluorinated polymer
An object of the present invention is to provide a fluorinated polymer of adequate molecular weight with excellent transparency in a wavelength range from visible to near infrared, and to also provide a method of producing such a polymer. The present invention provi...
09/26/2006
7109276Method for free radical reduction of dithiocarbonylated or dithiophosphorylated functions borne by a polymer
The invention concerns a method for preparing a polymer, comprising a step which consists in contacting: (A) at least a living organic polymer having at its chain end a dithiocarbonylated or dithiophosphorylated function capable of being reactivated; (B) at least a ...
09/19/2006
7101652Photosensitive resin compositions
New photosensitive PBO precursor polymers which contain diazoquinone moieties attached to its backbone and in which all amino end groups are converted into amide groups. The photosensitive formulation based on the disclosed PBO precursor polymers have good imaging a...
09/05/2006
7094833Block copolymer
Provided are a block copolymer including a polymer block containing acrylonitrile or methacrylonitrile as a principal constituent, which is excellent in heat resistance, weatherability, oil resistance, flame retardancy, and low-temperature resistance and which can b...
08/22/2006
7060782Process for a two stage melt polymerization for the production of polybenzimidazole having an improved solid state polymerization
A process for the production of high molecular weight polybenzimidazole by one: providing a first reaction vessel; charging the reaction vessel with at least one aromatic hydrocarbon tetraamine, and a heterocylic ring making up the dicarboxylic component; heating th...
06/13/2006
7057008Packaging and containers made of water-soluble polyamides and processes for their manufacture
Packaging materials made from water-soluble nylons are disclosed, that readily contain materials such as caustic chemicals and upon exposure to water dissolve to provide for the release of the chemical into an aqueous environment. The materials are made from select ...
06/06/2006
7053172Fuel-barrier polyamide resin and multilayer shaped article
The fuel-barrier polyamide resin of the present invention is a product of the polycondensation of a diamine component comprising 70 mol % or higher of m-xylylenediamine and a dicarboxylic acid component comprising 70 mol % or higher of a mixed dicarboxylic acid whic...
05/30/2006
7053171Production method of polyamide
In the production method of the present invention, the polyamide is produced by the polycondensation of a diamine component and a dicarboxylic acid component comprising a straight-chain α,ω-aliphatic dicarboxylic acid and an aromatic dicarboxylic acid. The dicarbo...
05/30/2006
7053169Polyamide molding compounds for producing optical lenses
The invention relates to new thermoplastically processible transparent polyamide molding materials based on copolyamides containing diamines and dicarboxylic acids with aromatic cores which exhibit a high index of refraction nD20 over 1.59 and ...
05/30/2006
7041781Thermoplastic molding compounds with improved surface properties and improved structural homogeneity
Homo- and/or copolymers of one or more ethylenically unsaturated monomers, suitable for the preparation of molded articles that feature improved properties, especially improved fracture properties, heat stability and notched impact strength are disclosed. These homo...
05/09/2006
7038007Process for a continuous polymerization for the production of high molecular weight polybenzimidazole
A process for a single-stage melt polymerization for the production of a high molecular weight polybenzimidazole which comprises the steps of: providing a reaction vessel having a means for agitation and a means for vacuum; charging the reaction vessel with reactant...
05/02/2006
7012119Cleaving and replacing thio control agent moieties from polymers made by living-type free radical polymerization
A method of free radical polymerization and for cleaving a thio group from the resulting polymer is provided. The method comprises forming a mixture of one or more monomers, at least one free radical source and a control agent, wherein the control agent comprises a ...
03/14/2006
7008749High resolution resists for next generation lithographies
The present invention provides new high resolution resists applicable to next generation lithographies, methods of making these novel resists, and methods of using these new resists in lithographic processes to effect state-of-the-art lithographies. New nanocomposit...
03/07/2006
7009029Polyamide composition
Provided is a polyamide composition comprising 100 parts by weight of (A) a polyamide having dicarboxylic acid units containing 60 to 100 mol % of terephthalic acid units, and diamine units containing 60 to 100 mol % of 1,9-nonanediamine units and/or 2-methyl-1,8-oc...
03/07/2006
7009028Continuous process for the production of polyamides
In a two-step precondensate process for preparing polyamides diamines are reacted with dicarboxylic acid dihalides in a polar, non-basic, inert organic liquid medium under conditions such that a condensation product having a low degree of polymerization is formed. T...
03/07/2006
6995233Process for manufacturing polyamides
The invention relates to a continuous process for manufacturing polyamides. The polyamides are of the type obtained from diacids and diamines. The process comprises an operation of continuous mixing of a compound which is rich in amine end groups and a compound whic...
02/07/2006
6956099Polyamide-polyether block copolymer
Copolymers having linked internal polyether blocks and internal polyamide blocks have advantageous physical properties and solvent-gelling abilities. The copolymer may be prepared from a reaction mixture that contains 1,4-cyclohexane dicarboxylic acid (CHDA) and pol...
10/18/2005
6943231Transparent polyamide molding materials having improved transparency, resistance to chemicals and high permanent fatigue strength
Transparent polyamide molding materials are provided which are characterized in that they have a melting enthalpy between 0 and 12 J/g and the polyamides are constituted of 100 mole-% of a diamine mixture having 10-70 mole-% of PACM [bis-(4-amino-cyclohexyl)-...
09/13/2005
6936682Polyamide
A polyamide characterized in that the polyamide is obtained by thermal polycondensation of (a) dicarboxylic acid components comprising 10 to 80% by mole in total carboxylic acid components of 1,4-cyclohexanedicarboxylic acid having a trans/cis molar ratio of 50/50 t...
08/30/2005
6919409Removal of the thiocarbonylthio or thiophosphorylthio end group of polymers and further functionalization thereof
A method of free radical polymerization and for cleaving a thio group from the resulting polymer is provided. The method comprises forming a mixture of one or more monomers, at least one free radical source and a chain transfer agent, wherein the chain transfer agen...
07/19/2005
6911501Process for preparing aspartates
The present invention relates to novel aspartates, their method of production and the use of these aspartates as reactive components for polyisocyanates in two-component polyurethane coating compositions and for preparing polyurethane prepolymers. The aspartates are...
06/28/2005
6908983Synthesis of high solids resins from amine terminated polyamides
The present invention contemplates a process for forming polyaminoamide polymers formed by the reaction of a dibasic acid/ester with excess amounts of an amine; the intermediate polymer resulting therefrom; a process for synthesizing effective, high solids resins re...
06/21/2005
6906165Copolyamides and compositions based on same
The invention concerns copolyamides obtained by using multifunctional monomers. It consists in using a multifunctional monomer comprising at least three reactive functions and at least another multifunctional monomer, in amounts such that the terminal group concentr...
06/14/2005
6884865Copolyamides and compositions based on same
The invention concerns copolyamides obtained by using multifunctional monomers. It consists in using at least one multifunctional monomer comprising at least three reactive functions and at least another multifunctional monomer, in amounts such that the terminal gro...
04/26/2005
6858702Polyamide compounds
An acid-dyeable polyester composition comprising (a) polyester and (b) secondary amine or secondary amine salt in an amount effective to promote acid-dyeability. The acid-dyeable polyester composition may be prepared by melt blending: the polyester; and polymeric ad...
02/22/2005
6846868Polyamide composition
A polyamide composition comprising 100 parts by weight of (A) a semiaromatic polyamide having dicarboxylic acid units mainly composed of aromatic dicarboxylic acid units and diamine units mainly composed of aliphatic diamine units having 4 to 14 carbon atoms and con...
01/25/2005
6835800Nylon copolymers containing dimeric acid comonomers
A method for preparing a nylon 6 copolymer containing dimeric acid comonomers. The method includes reacting 80.0˜99.9 mol % of caprolactam, 0.1˜3.0 mol % of dimeric acid and 0.1˜3.0 mol % of 2-methyl-1,5-pentadiamine in a polymerization reaction. Moreover, the in...
12/28/2004
1                  
 
Sign InRegister
Username  
Password   
forgot password?