| Patent Number |
Title Of Patent |
Date Issued |
| 5747589 |
Process for the production of polycarbonate-polyisobutylene block cocondensates |
May 5, 1998 |
| The present invention provides a process for the production of polycarbonate-polyisobutylene block cocondensates from thermoplastic aromatic polycarbonates and reactive polyisobutylenes in the melt, as well as mixtures of the block cocondensates with non-reactive polyisobutylenes. |
| 5747586 |
High-impact molding compounds based on polyisobutylene-containing polycarbonate |
May 5, 1998 |
| The invention relates to thermoplastic molding compounds containing polyisobutylene-modified polycarbonate, graft polymer and optionally copolymer, aromatic polycarbonate, polyolefins. |
| 5654383 |
Polyarylene sulfides reduced in viscosity by aftertreatment with disulfides |
August 5, 1997 |
| The invention relates to polyarylene sulfides (PAS), preferably polyphenylene sulfide (PPS), reduced in viscosity by aftertreatment of the PAS formed in the production process with disulfides in the melt. |
| 5635560 |
Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters |
June 3, 1997 |
| The invention relates to mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer, which are distinguished by a good low-temperature strength and stress cracking resistance and good mould release properties. |
| 5633339 |
Use of tertiary aliphatic monocarboxylic acids as chain terminators for the preparation of polyc |
May 27, 1997 |
| The present invention relates to the use of special monocarboxylic acids as chain terminators for the preparation of polycarbonates and of polyester carbonates, and to the polycarbonates and polyester carbonates obtainable according to the invention. |
| 5618890 |
Allylphenol-terminated polycarbonates grafted with maleic anhydride, their use for the productio |
April 8, 1997 |
| The invention relates to polycarbonates (PC) terminated by allylphenols, preferably eugenol, and subsequently grafted with maleic anhydride (MA) in the melt, to their use as blending partners for polyamides (PA) and to the polycarbonate/polyamide blends. |
| 5583174 |
Mixtures of specific dihydroxydiphenylcycloalkane polycarbonates and mineral oil |
December 10, 1996 |
| Mixtures ofA) 75 to 99.5 wt. % of a high molecular weight, thermoplastic, aromatic polycarbonate with a molecular weight M.sub.w (weight average) of at least 10,000 which contains bifunctional carbonate structural units of the formula (I), ##STR1## in which R.sup.1 and R.sup.2, i |
| 5576390 |
Polyisobutylenes having aspartic acid ester terminal groups |
November 19, 1996 |
| The present invention provides telechelic polyisobutylenes having aspartic acid ester terminal groups, the production thereof and the use thereof as modifiers preferably for thermoplastic aromatic polycarbonates, and the mixing thereof with reaction-less polyisobutylenes. |
| 5554716 |
Use of hydrogenated abietic acid as a chain terminator for the production of polycarbonates and |
September 10, 1996 |
| The invention relates to the use of hydrogenated abietic acid as a chain terminator for the production of polycarbonates and polyester carbonates and to the polycarbonates and polyester carbonates obtainable in accordance with the invention. |
| 5545692 |
Polyesters of dimer fatty acid and dimer fatty diol and their use for the production of polyeste |
August 13, 1996 |
| The invention relates to new polyesters of dimer fatty acid and dimer fatty diol each containing 36 or 44 carbon atoms, to their production, to their use for the production of polyester carbonates and to the new polyester carbonates. |
| 5525674 |
Polycarbonates with aliphatic ketocarboxyl end groups, mixed with known aromatic polycarbonates, |
June 11, 1996 |
| The present invention provides polycarbonates with aliphatic ketocarboxyl end groups, optionally mixed with known aromatic polycarbonates, and a process for their preparation, the chain terminators used being those of formula (I): ##STR1## The present invention also provides mixt |
| 5484857 |
Single-stage process for the preparation of polyisobutylene carboxylic acids |
January 16, 1996 |
| The present invention relates to a single-stage process for the preparation of polyisobutylene carboxylic acids from isobutylene-diene copolymers, which are optionally crosslinked or branched by means of a diolefine in the known manner, by reaction with ozone in the presence of a solvent |
| 5407966 |
Recyclable thermoplastic foam with a high glass transition temperature II |
April 18, 1995 |
| The present invention relates to thermoplastic foams in which .beta.-ketocarboxylic acids, .beta.-ketocarboxylic acid esters or tert.-butyl esters of organic acids are used as the foaming agents. |
| 5391641 |
Segmented N-alkyl polyurethane amides |
February 21, 1995 |
| The invention relates to segmented N-alkyl polyurethane amides having an average molecular weight of 5,000 to 250,000, to a process for their production and to their use for the production of materials which may be used in the medical field. |
| 5378749 |
Blends of PAS, nitroarylketo compounds and maleic imides |
January 3, 1995 |
| The invention relates to polyarylene sulfides (PAS), more particularly polyphenylene sulfides (PPS), showing reduced flash formation. |
| 5357037 |
Phosphorous-containing duromers of oligophosphites |
October 18, 1994 |
| This invention relates to new phosphorus-containing duromers of oligophosphites and epoxides or bisacrylates or unsaturated polyesters. |
| 5326851 |
Low-viscosity polyarylene sulfides |
July 5, 1994 |
| The invention relates to low-viscosity polyarylene sulfides (PAS), preferably polyphenylene sulfides (PPS), which are produced with cycloaliphatic, unsaturated acids as molecular weight regulators. |
| 5312854 |
Color-stabilizing polyarylene sulfide mixture |
May 17, 1994 |
| The invention relates to a mixture of PPS and colophony which shows improved color stability during processing at high temperatures. |
| 5308558 |
Process for foaming thermoplastic polycarbonates |
May 3, 1994 |
| A process for producing foamed articles containing thermoplastic aromatic polycarbonates is disclosed. Accordingly, thermoplastic aromatic polycarbonates are mixed with about 0.01 to 10% by weight of Al.sub.2 O.sub.3 (H.sub.2 O).sub.3 and the mixture is either extruded in an extruder |
| 5304400 |
Process for coating heat resistant substrates with two component stoving compositions |
April 19, 1994 |
| The present invention relates to a process for preparing a coated, heat resistant substrate byI) coating the substrate with a coating composition containinga) a solution or dispersion containinga1) 100 parts by weight of at least one hydroxyl-functional polyacrylate resin in dissolved or dis |
| 5300543 |
Recyclable thermoplastics foam of high glass temperature |
April 5, 1994 |
| A thermoplastic molding composition suitable for the preparation of foam is disclosed. The composition comprises a thermoplastic resinous component and a foaming agent which includes A) (i) 0.01 to 4.8% alumina hydrate (aluminum hydroxide) in combination with (ii) 0.01 to 4.8% of an acid |
| 5286809 |
Thermoplastic moulding compounds |
February 15, 1994 |
| This invention relates to thermoplastic moulding compounds based on polyamides and/or polyesters and special functionally modified polyarylene sulphides and optionally conventional additives and to their preparation and their use. |
| 5256702 |
Method of foaming thermoplastic polycarbonate |
October 26, 1993 |
| A method of foaming thermoplastic aromatic polycarbonates is disclosed. Accordingly, a polycarbonate resin is mixed with 0.01 to 10%, the percent being relative to the total weight of polycarbonate resin and polysaccharide, of a particular polysaccharide and the mixture then processe |
| 5250742 |
Process for the production of propargyl ethers and new propargyl ethers |
October 5, 1993 |
| The invention relates to a process for the production of new propargyl ethers in the presence of iron as catalyst and to new propargyl ethers. |
| 5247030 |
Acid modified polyarylene sulphide |
September 21, 1993 |
| This invention relates to polyarylene sulphides (PAS), preferably polyphenylene sulphides (PPS), which are modified with carboxyl groups or dicarboxylic acid anhydride groups. |
| 5247002 |
Polyphenylene sulphide composition containing silver nitrate |
September 21, 1993 |
| This is invention relates to thermoplastic compositions of polyphenylene sulphide with an addition of silver nitrate which have improved crystallization properties and to a process for their preparation. |
| 5240988 |
Mixtures of polyarylene sulfides, crosslinking agents containing nitro groups and glass fibers |
August 31, 1993 |
| The invention relates to mixtures of polyarylene sulfides, crosslinking agents containing nitro groups, and optionally, mineral fillers and to the moldings obtainable from these mixtures. |
| 5237041 |
Phosphorus-containing duromers of oligophosphites |
August 17, 1993 |
| This invention relates to new phosphorus-containing duromers of oligophosphites and epoxides or bisacrylates or unsaturated polyesters. |
| 5223548 |
Method of foaming thermoplastic polycarbonate |
June 29, 1993 |
| A method of foaming thermoplastic aromatic polycarbonates is disclosed. Accordingly, a polycarbonate resin is mixed with 0.01 to 10%, the percent being relative to the total weight of polycarbonate resin and polysaccharide, of a particular polysaccharide and the mixture then processe |
| 5219908 |
PAS with reduced flash formation and good mechanical properties |
June 15, 1993 |
| This invention relates to polyarylene sulphides (PAS) containing certain nitro compounds with reduced flash formation. |
| 5158985 |
Polycarbonate foam articles |
October 27, 1992 |
| A process for the production of polycarbonate foam moldings is disclosed. Accordingly, a composition is prepared comprising mixing a thermoplastic polycarbonate resin and 0.01 to 1 mole-% of a transesterification catalyst anda) 0.1 to 5 mole-% of an aromatic polycarboxylic acid, optional |
| 5155150 |
Blends of polyarylene sulfides, dolomite and maleic imides |
October 13, 1992 |
| This invention relates to blends of polyarylene sulfides, maleic imides and dolomite. The blends are distinguished by good mechanical properties and are particularly suitable for the production of, for example, metallizable moldings. |
| 5149728 |
Blends of polyarylene sulfides, phenolic resin nitroarylates, glass fibers and optionally other |
September 22, 1992 |
| The invention relates to blends of polyarylene sulfides, phenolic resin nitroarylates, glass fibers and optionally other fillers (additives). The blends are distinguished by good mechanical properties. |
| 5145895 |
Blends of modified polyarylene sulfides and polycarbonates |
September 8, 1992 |
| The invention relates to blends of modified polyarylene sulfides (PAS), preferably polyphenylene sulfides (PPS), with polycarbonates. |
| 5141976 |
Mixtures of polyarylene sulphides, nitroarylmethylidene ketones, glass fibers and optionally oth |
August 25, 1992 |
| This invention relates to mixtures of polyarylene sulphides, nitroarylmethylidene ketones, glass fibers and optionally other fillers. The mixtures are distinguished by good mechanical properties. |
| 5137938 |
Mixture of polyarylene sulphides, glass fibres and maleimides |
August 11, 1992 |
| The invention relates to mixtures of polyarylene sulphides, maleimides, glass fibres and if appropriate other additives. The mixtures are distinguished by good mechanical properties. |
| 5126429 |
Flexible polyamide from dimer acid and bis-secondary diamine |
June 30, 1992 |
| This invention relates to amorphous, flexible elastomeric polyamides based on dimer fatty acids and special disecondary diamines which have a glass transition temperature below 10.degree. C., to the production of these elastomeric polyamides and to their use as rubbers, plasticizers and, |
| 5124382 |
Blends of polyarylene sulfides, epoxides, anhydrides, glass fibers and optionally other fillers |
June 23, 1992 |
| The invention relates to blends of polyarylene sulfides, epoxides, anhydrides, glass fibers and optionally other fillers. The blends are distinguished by good mechanical properties. |
| 5109108 |
Hexahydrotriazinetrione-containing polyarylene sulphide |
April 28, 1992 |
| The invention relates to new hexahydrotriazinetrione-containing high molecular weight polyarylene sulphides (PAS), preferably polyphenylene sulphides (PPS), and a process for their preparation. |
| 5102929 |
Mixtures of polyarylene sulphides, glass fibres and heterocyclic nitroaryloxy compounds |
April 7, 1992 |
| The invention relates to mixtures of polyarylene sulphides, heterocyclic nitryoaryloxy compounds and optionally other additives. The mixtures are distinguished by good mechanical properties. |
| 5093397 |
Mixtures of polyarylene sulphides, nitroarylketo compounds, electron rich aromatic compounds, gl |
March 3, 1992 |
| This invention relates to mixtures of polyarylene sulphides, nitroarylketo compounds, electron rich aromatic compounds, glass fibres and optionally other fillers (additives). The mixtures are distinguished by good mechanical properties. |
| 5086128 |
High molecular weight arylene sulphide polymer melt mixed with aromatic nitro compound |
February 4, 1992 |
| This invention relates to new high molecular weight arylene sulphide polymers which optionally additionally display improved resistance to UV radiation and are prepared by melting arylene sulphide polymers, preferably PPS, with polynitro compounds or with mononitro compounds containi |
| 5086102 |
Mixtures of poly(arylene sulphides), maleamidic acids and glass fibres |
February 4, 1992 |
| The invention relates to mixtures of poly(arylene sulphides), glass fibres and maleamidic acids, which are remarkable for good mechanical properties and an increased melt viscosity of the matrix resin. |
| 5071905 |
Mixtures of polyarylene sulfides, glass fibers and silanes containing nitro groups |
December 10, 1991 |
| The invention relates to mixtures of polyarylene sulfides, glass fibers and silanes containing nitro groups which are distinguished by good mechanical properties (for example relatively high flexural strength or outer fiber strain). |
| 5068312 |
Polyarylene sulfides terminated by sulfonic acid and/or sulfonic acid derivative groups, their p |
November 26, 1991 |
| The invention releates to oligo- and polyarylene sulfides, preferably polyphenylene sulfides, terminated by sulfonic acid and/or sulfonic acid derivative groups, to their production and to their use for the production of new polymers and new polymer mixtures. |
| 5066781 |
Heat treated polyarylene sulphide containing phosphine groups |
November 19, 1991 |
| This invention relates to new straight chained and branched copolyarylene sulphides with built-in aromatic or araliphatic comonomers containing phosphine groups and to products obtainable from the phosphine group-containing polyarylene sulphides by a special heat treatment. |
| 5028644 |
Polyarylene sulfide molding compounds having inproved processibility and increased ultraviolet s |
July 2, 1991 |
| This invention relates to polyarylene sulfide molding compounds, preferably polyphenylene sulfide molding compounds, having improved processability and increased UV stability. |
| 5017682 |
Process for the production of unbranched polyarylene sulfides of improved color quality and impr |
May 21, 1991 |
| The invention relates to a process for the production of linear, unbranched polyarylene sulfides from aromatic dichlorine compounds and alkali sulfides in tetra-alkylated, cyclic ureas as the reaction medium. |
| 5010169 |
Polyarylene sulphide containing phosphine groups |
April 23, 1991 |
| This invention relates to new straight chained and branched copolyarylene sulphides with built-in aromatic or araliphatic comonomers containing phosphine groups and to products obtainable from the phosphine group-containing polyarylene sulphides by a special heat treatment. |
| 5004795 |
Aliphatic-aromatic polyamide-imides |
April 2, 1991 |
| The invention relates to aliphatic-aromatic polyamide-imides and their use for the production of shaped articles. |
