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Class 528/233 - Material contains a metal atom


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the specified material contains at
No. of patents: 46
Last issue date: 08/08/2006


1    
NumberTitleIssue Date
7087710Polymeric surfactants derived from cyclic monomers having pendant fluorinated carbon groups
A fluorine containing polymer which acts as a wetting, flow or leveling agent, and has at least one polar group. The polymer has at least one pendant or ether side chain containing from about 1 to about 20 carbon atoms with at least 25% of the hydrogen atoms being r...
08/08/2006
6617416Polyoxymethylene copolymer and molded article thereof
A polyoxymethylene copolymer which is a polyoxymethylene copolymer obtained by copolymerizing trioxane and 8 to 20 mol, per 100 mol of the trioxane, of 1,3-dioxolane and which (i) has a crystallization time period of 10 to 2,000 seconds at 143° C., (ii) ...
09/09/2003
6365704Polyacetal copolymer
To provide a resin material in which various properties of a polyacetal resin such as excellent appearance, slidability and thermal stability are maintained and a rigidity is improved as well. That is, a polyacetal copolymer which is prepared by a copolym...
04/02/2002
6265528Preparation of polyoxymethylene dimethyl ethers by acid-activated catalytic conversion of methanol with formaldehyde formed by oxy-dehydrogenation of dimethyl ether
A particularly useful process which includes the steps of providing a feedstream comprising a soluble condensation promoting component capable of activating a heterogeneous acidic catalyst and a source of formaldehyde formed by conversion of dimethyl ethe...
07/24/2001
5929195Process for producing branched or crosslinked polyacetal resin
A branched or crosslinked polyacetal resin is excellent in blow moldability, has impact resistances such as plane impact resistance, and the smoothness of the inner surfaces of moldings produced therefrom, and is suitable for molding, particularly blow mo...
07/27/1999
5770678Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts
A process for polymerizing oxiranes, oxetanes, oxepanes, dioxolanes, trioxanes, and tetrahydrofurans to their respective polymers by contacting them with a selected metal compound is disclosed; and also a process for depolymerizing polytetrahydrofurans to...
06/23/1998
5641853Polymerization of cyclic ethers using selected metal compound catalysts
A process for polymerizing oxepanes, dioxolanes, trioxanes, and tetrahydrofurans to their respective polymers by contacting them with a selected metal compound and an accelerator which is a selected vinyl ester or a selected phosphorous compound....
06/24/1997
5608030Process for the preparation of polyacetals
Process for continuous preparation of homo- and copolyoxymethylenes with stable end groups in a homogeneous phase, in which in a tubular reactor with static mixing elements cyclic formaldehyde oligomers are polymerized in the presence of protonic acids as...
03/04/1997
5512608Method for producing an adherent deposit using a chemically activated multi-part, solvent-free composition
A multi-part composition is provided which is suitable for use as an adhesive, a potting compound, a coating or a sealant. It consists of a polymerizable acrylate formulation and an activating formulation, the latter usually comprising an amine-aldehyde c...
04/30/1996
5512652Fluorinated aldehyde containing polymers
Fluorinated aldehydes are made by reacting a fluorinated acyl chloride with a silicon hydride in the presence of palladium. Also disclosed are fluorinated ether aldehydes and their polymers, a process for making fluorinated aldehydes polymers using titani...
04/30/1996
5434236Photodegradable polyesters
This invention relates to a polyester comprising repeating units having the structure: ##STR1## wherein R1 is selected from the group consisting of hydrogen, alkyl having 1 to 6 carbon atoms and aryl having 6 to 10 carbon atoms and R
07/18/1995
5374485Composite polyacetal article
A polyacetal resin composition which comprises a polyacetal resin (as component A) and one or more members selected from the group consisting of an isocyanate compound, isothiocyanate compound, and modified product thereof (as component B) in an amount of...
12/20/1994
5288840Polyoxymethylene copolymer and process for producing the copolymer
A polyoxymethylene copolymer excellent in stability and mechanical properties which is comprised of oxymethylene units and oxyalkylene units and has a molecular weight of 10,000 to 200,000. The proportion of oxyalkylene units to oxymethylene units is 0.07...
02/22/1994
5280086Moldable composition, process for producing sintered body therefrom and products from same
Moldable compositions comprising metallic powder and/or ceramic powder, mixed an organic binder are disclosed, which comprises an ether polyamine of the formula (1) and/or a primary amine of the formula (2) : ##STR1## wherein A1 and A...
01/18/1994
5248762Process for preparing cyclic polyoxymethylene
Cyclic polyoxymethylene having a number-average molecular weight of 500 to 5,000 is obtained by solid state cyclization reaction of an alkalidegradative linear oxymethylene homopolymer in the presence of a medium containing a cationic catalyst. The cycliz...
09/28/1993
5215828Curable binders
Curable binders obtained by simultaneous reaction of A) urethanes or ureas, B) acrylic or methacrylic compounds containing hydroxyl groups, C) paraformaldehyde and D) if appropriate, polyols, wherein, in the case where no polyol D) is also reacted, the reaction is ...
06/01/1993
5124417Initiators for cationic polymerization
Disclosed are novel compounds which are useful as initiators for cationically polymerizable monomers. The novel compounds comprise a carbon containing cation (e.g., trimethyloxonium) which is capable of initiating cationic polymerization and a non-nucleop...
06/23/1992
5115083Curable aminoplast compositions and catalysts for curing same
The present invention relates to a curable composition comprising: (A) at least one aminoplast resin; and (B) an amount effective to cure the composition of at least one catalyst selected from the group consisting of (B-1) an acid, or an anhydride, ester, ammonium ...
05/19/1992
5070161Heat-latent, cationic polymerization initiator and resin compositions containing same
Benzyl pyridinium or ammonium salts of a non-nucleophilic anion are useful as a cationic polymerization initiator having a heat latency. A variety of resinous compositions containing this initiator is also disclosed....
12/03/1991
5055547Liquid-crystal copolyethers based on 7-oxa-bicyclo(2,2,1)heptane
The present invention relates to copolyethers comprising copolymers of 7,oxa-bicyclo(2,2,1)heptane, and its alkyl-derivatives, with one or more single-ring or condensed-rings cycloaliphatic ethers, comprising the characteristic group; ##STR1## w...
10/08/1991
5025085Curable aminoplast compositions and catalysts for curing same
The present invention relates to a curable composition comprising: (A) at least one aminoplast resin; and (B) an amount effective to cure the composition of at least one catalyst which is a sulfo acid, or an anhydride, ester, ammonium salt or metal salt of the...
06/18/1991
5011907Molecules with enhanced electronic polarizabilities based on "defect"-like states in conjugated polymers
Highly conjugated organic polymers typically have large non-resonant electronic susceptibilities, which give the molecules unusual optical properties. To enhance these properties, "defects" are introduced into the polymer chain. Examples include light dop...
04/30/1991
4975520Production of acetal copolymers from gaseous formaldehyde and cyclic ethers
A process for producing oxymethylene copolymers and terpolymers is disclosed which involves the non-linear addition of gaseous formaldehyde to a cyclic ether having at least two adjacent carbon atoms (1) and, in the case of a terpolymer, to a mixture of a...
12/04/1990
4906726Water-based coating compositions containing hydroxides and oxides of calcium, strontium and barium
A water-based coating composition comprising as the first component, a mixture of a polyaldehyde chosen from the group consisting of glyoxal, glutaraldehyde and derivatives of glyoxal and glutaraldehyde, and a water dispersible component chosen from the g...
03/06/1990
4866157Thermosetting aromatic resin composition
A thermosetting resin composition is disclosed which comprises a fusible product obtained by a method including the steps of: providing a mixture which comprises (a) a raw material containing one or more condensed polynuclear aromatic compounds having at least...
09/12/1989
4764585Cationic polycondensates useful for improving the fastness of dyeings on textiles
Cationic fixing agents based on the reaction products of (a) a monofunctional or polyfunctional amine having one or more primary and/or secondary and/or tertiary amino groups and (b) cyanamide, dicyandiamide, guanidine or bisguanidine give improved results when the...
08/16/1988
4758475Isocyanate-free polyurethane dispersions
Polyurethane dispersions based on reaction products from (A) bismethylolated urethanes having at least 2 urethane groups and (B) polyhydroxyl compounds which contain groups which are capable of ion formation, these groups being present in neutralized form...
07/19/1988
4680375Polymeric cyanine dye
Tricarbocyanine polymeric dyes have formulae I and II: ##STR1## where Y can be ##STR2## --S--, --Se-- or --O--, A can be ##STR3## in which R19 can be alkyl or --Cl, and p can be 0 or 1, R6 and R7 inde...
07/14/1987
4677187Furfuryl alcohol-aldehyde resins
Furfuryl alcohol-formaldehyde resins which can be prepared by using a water soluble multivalent metal salt as the catalyst, thereby eliminating the use of an acid catalyst and the necessary attention it requires....
06/30/1987
4547565Method for manufacturing trioxane copolymer
A trioxane copolymer is manufactured by adding to trioxane and a co-monomer, 0.0001 to 2.0 percent by weight, based on the total weight of the monomers, of one or more sterically hindered phenols, then co-polymerizing the resultant mixture in the presence...
10/15/1985
4405771Organometallic polymers, their preparation and compositions containing them
There are provided metal containing polymeric coordination compounds which are prepared by a process which comprises reacting metal salts with polydentate ligand molecules obtained by the condensation of aromatic dialdehydes with ଲ-hydroxy-଱,Î...
09/20/1983
4399272Process for producing polyacetal copolymers
A process for producing a polyacetal copolymer, which comprises copolymerizing formaldehyde and a compound selected from the group consisting of alkylene oxides, poly(alkylene oxides), cyclic formals and poly (cyclic formals) in the presence of a Lewis ac...
08/16/1983
4398014Sulfoxonium salts and their use as polymerization catalysts
New aromatic sulfonylsulfoxonium salts are of formula ##STR1## where q is 1 to 4, R denotes an aliphatic, cycloaliphatic, or aromatic group, R6 denotes H, an alkyl or aralkyl group, or a group --COR9, --CO--NH--(CO)r --R
08/09/1983
4394499Polyimide resins
This invention relates to an improved polyimide resin and to a method of its production. The improved polyimide resin is made from phenanthrene which is converted via a 9, 10-diol to oligomers of diphenic anhydride units linked by keto bridges. The oligom...
07/19/1983
4379896Keto/polycarboxy containing resin
This invention relates to thermally stable resins and provides such a resin made from cheaply available coal-derived materials, whereas presently available resins are made from increasingly expensive oil-derived materials. The resin comprises the condensa...
04/12/1983
4377667Polyacetal and process of producing same
A polyacetal suitable for moldings which are excellent in lubricity, wear and antistatic properties, which has at least one terminal of its linear polymer molecule capped with an alkylene oxide adduct of an alcohol or a carboxylic acid, which adduct is of...
03/22/1983
4373089Phenanthrene based polyimide resin
A polyimide resin is made by converting a phanthrene to its 9, 10 diol derivative, reacting the derivative with formaldehyde to give a methylene bridged reaction product, oxidizing the reaction product to produce a polycarboxylated product, and reacting t...
02/08/1983
4352923Process for polymerizing formaldehyde
Undesirable deposition of polyoxymethylene onto the inner wall of a polymerization reactor and onto a stirrer, which deposition is observed in the slurry polymerization of formaldehyde carried out in an inert organic liquid medium, can be minimized by car...
10/05/1982
4346212Phenanthrene/HCHO derived polyamide-imide
This invention relates to thermally stable resins and provides such a resin made from cheaply available coal-derived materials, whereas presently available resins are made from increasingly expensive oil-derived materials. The resin comprises the condensa...
08/24/1982
4336366Thermally polymerizable mixtures and processes for the thermally-initiated polymerization of cationically polymerizable compounds
Cationically polymerizable compounds, for example cyclic ethers, can be thermally polymerised if an aromatic iodonium salt of the formula I in which Ar1 Ar2, M, X and n are as defined in claim 1, is used as the catalyst and an agent which...
06/22/1982
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