Rohm GmbH Chemische Fabrik

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 7109
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 5120
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
A23L FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT 163
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161
 
  
 
C07H SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS 198

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6656507 Aqueous dispersion suitable for the production of coatings and binders for solid oral drugsMar 08, 99Dec 02, 03[A61K]
5870233 Process for manufacture of fresnel lensesMar 04, 97Feb 09, 99[B29C, B29D, G02B]
5710040 Stable enzymatic aqueous liquid composition for the production of leatherFeb 13, 96Jan 20, 98[C12S]
5652316 Universally compatible pigment dispersantsDec 20, 95Jul 29, 97[C08F]
5644011 Coating and binder for pharmaceutical agentsAug 25, 95Jul 01, 97[C08L]
5625021 Method for the production of plastic particlesDec 19, 95Apr 29, 97[C08F]
5567826 Process for the production of terminally nitrogen heterocycle substituted (meth)acrylate by the use of a mixture of an alkali metal and alkaline earth metal catalystDec 22, 94Oct 22, 96[C07D]
5565130 Comb polymers based on olefin copolymer macromonomersJun 07, 95Oct 15, 96[C10M]
5540989 Multilayered heat-sealable plastic filmsFeb 14, 95Jul 30, 96[C08L, B32B]
5483003 Thermoplastically processible elastomers with improved optical propertiesMar 18, 94Jan 09, 96[C08L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6773255 Plastic composites made from incompatible plasticsExpiredMay 15, 01Aug 10, 04[A01J, A21C, B32B]
6599387 Method for the thermal adhesion of parts made of acrylic plastic and parts made of engineering plasticsExpiredNov 03, 95Jul 29, 03[B32B]
6475964 Motor oil with high dispersivity and good wear protection characteristicsExpiredAug 02, 95Nov 05, 02[C10M]
6469203 Method for depolymerizing polymethylmethacrylateExpiredJun 21, 01Oct 22, 02[C07C]
6462113 Plastisols with cross-linking agentsExpiredDec 08, 97Oct 08, 02[C09D]
6451586 Enzyme preparation containing proteaseExpiredFeb 06, 95Sep 17, 02[C14C]
6420033 Methods for the production of filmsExpiredJan 06, 99Jul 16, 02[B32B]
6368098 Apparatus for the calibration of hollow chamber sheet extruded linesExpiredFeb 04, 99Apr 09, 02[B29C]
6337360 Method of producing aqueous dispersions as a base for hot sealing adhesivesExpiredJul 31, 01Jan 08, 02[C23C, C08F, C09D]
6323292 Method of producing aqueous dispersions as a base for hot sealing adhesivesExpiredMay 11, 01Nov 27, 01[C08F]
6319992 Pressure sensitive adhesive dispersion of a copolymer of butylacrylate and (meth) acrylic acidExpiredMay 30, 96Nov 20, 01[C08F]
6314854 Saw blades with convex ground saw tooth flanksExpiredSep 27, 00Nov 13, 01[B27B, B23D]
6306428 Time-release laminar pharmaceutical compositionExpiredApr 13, 98Oct 23, 01[A61K]
6280671 Process for preparing multilayer plastic composites of incompatible plasticsExpiredMar 01, 95Aug 28, 01[D01D]
6268065 Method of producing aqueous dispersions as a base for hot sealing adhesivesExpiredOct 11, 00Jul 31, 01[C08F, C09D, B32B]
6194514 Aqueous dispersion of carboxylic acid functionalized poly(meth)acrylateExpiredMar 03, 98Feb 27, 01[C08F]
6152720 Device for stable widthwise regulation of bulb angle in extrusion of sheets of heat-sensitive plastics through a calender opening formed by intake rollersExpiredSep 28, 98Nov 28, 00[B29C]
6110561 Break-resistant multiribbed plate of polymethyl methacrylateExpiredMar 25, 96Aug 29, 00[B32B]
6063399 Adhesive binders for dermal or transdermal therapy systemsExpiredDec 22, 97May 16, 00[A61K, A61F]
6040387 Poly (meth) acrylamides with improved color stability under thermal stressExpiredMay 12, 98Mar 21, 00[G08F]

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