| Patent | Date |
|---|
Process for purifying polyphenylene oxides obtained by interruption of the copper-amine catalyzed polycondensation of ortho-disubstituted phenols
Grant 4,659,803 - Bartmann , et al. April 21, 1 | 1987-04-21 |
One-component baking enamels
Grant 4,649,067 - Gras March 10, 1 | 1987-03-10 |
Process for protecting steam generators from material damage
Grant 4,622,306 - Duve November 11, 1 | 1986-11-11 |
Method for controlling bead size in the production of expandable styrene polymers by suspension polymerization
Grant 4,618,468 - Rigler , et al. October 21, 1 | 1986-10-21 |
Production of copper(II) hydroxide phosphate with a light natural color and an average grain size less than 10 microns
Grant 4,567,220 - Schuler , et al. January 28, 1 | 1986-01-28 |
Process for removing naphthoquinone from phthalic anhydride produced through air oxidation of naphthalene
Grant 4,547,578 - Gude , et al. October 15, 1 | 1985-10-15 |
4-DL-Alkylester-.alpha.-alaninyl-6-chloro-S-triazines and the use thereof as herbicides
Grant 4,544,402 - Schnurbusch , et al. October 1, 1 | 1985-10-01 |
Distillation process for the production of dehydrated ethanol
Grant 4,541,897 - Sommer , et al. September 17, 1 | 1985-09-17 |
Process for preparation of gypsum shapes
Grant 4,540,439 - Kurandt September 10, 1 | 1985-09-10 |
Powder varnishes based on partially blocked isophorone diisocyanate isocyanurate and hydroxyl group containing polyester, and method for producing matte coatings
Grant 4,528,355 - Gras , et al. July 9, 1 | 1985-07-09 |
Polyaddition products containing uretidione groups and process for their preparation
Grant 4,483,798 - Disteldorf , et al. November 20, 1 | 1984-11-20 |
Process for the trimerization of diisocyanates
Grant 4,454,317 - Disteldorf , et al. June 12, 1 | 1984-06-12 |
Production of polyvinyl chloride and acrylate copolymer modifier useful for high-speed calendar manufacture of sheet stock
Grant 4,408,015 - Flatau October 4, 1 | 1983-10-04 |
Process for producing a 3,3-dimethyl-2-alkoxyoxirane from a 1-alkoxy-2-methylpropene
Grant 4,403,098 - Brockhaus , et al. September 6, 1 | 1983-09-06 |
Open heated box trays having flow-promoting devices
Grant 4,389,226 - Moller , et al. June 21, 1 | 1983-06-21 |
Cyclic imides, their preparation and use
Grant 4,356,307 - Kelkenberg , et al. October 26, 1 | 1982-10-26 |
Process for the production of storage-stable urethane acryls
Grant 4,330,657 - Disteldorf , et al. May 18, 1 | 1982-05-18 |
Compounds containing isocyanuric groups and terminally blocked isocyanate groups
Grant 4,302,351 - Gras , et al. November 24, 1 | 1981-11-24 |
Process for the production of a catalyst for the hydration of olefins into alcohols
Grant 4,299,730 - Sommer , et al. November 10, 1 | 1981-11-10 |
Process for the production of powdery, thermoplastic copolymers from ethylene and butene-(1)
Grant 4,294,947 - Doerk , et al. October 13, 1 | 1981-10-13 |
Process for preparing gaseous hydrogen chloride from dilute aqueous hydrochloric acid
Grant 4,272,502 - Ziegenbein , et al. June 9, 1 | 1981-06-09 |
Process for the preparation of araliphatic dihydroperoxides
Grant 4,271,321 - Voges June 2, 1 | 1981-06-02 |
Process for the preparation of pure .alpha.,.omega.-C.sub.6 - to C.sub.20 - a
Grant 4,250,343 - Kaufhold , et al. February 10, 1 | 1981-02-10 |
Process for the preparation of a pulverulent filled rubber
Grant 4,250,082 - Sommer , et al. February 10, 1 | 1981-02-10 |
Process for the production of polybutene-1 formable into transparent films
Grant 4,218,551 - Frese August 19, 1 | 1980-08-19 |
Thermoplastic molding compositions having improved _flexibility and cold impact strength based upon polyamides from _omega-aminocarboxylic acids and/or lactams having at least 10 carbon atoms
Grant 4,218,549 - Jadamus , et al. August 19, 1 | 1980-08-19 |
Method for coating of glass surfaces
Grant 4,215,165 - Gras , et al. July 29, 1 | 1980-07-29 |
Method and apparatus for the metered conveying of pulverulent solids
Grant 4,211,506 - List , et al. July 8, 1 | 1980-07-08 |
Process for recovering propene and propene/propane mixtures from the off-gases from the hydroformylation of propene
Grant 4,210,426 - Sridhar July 1, 1 | 1980-07-01 |
Method for the coating of glass surfaces
Grant 4,210,687 - Obendorf , et al. July 1, 1 | 1980-07-01 |
Process for the manufacture of high molecular weight poly-(ethylene terephthalate)
Grant 4,208,527 - Horlbeck , et al. June 17, 1 | 1980-06-17 |
Polymeric adhesion promoters for vulcanizable mixtures of elastomers and mineral fillers
Grant 4,183,844 - Streck , et al. January 15, 1 | 1980-01-15 |
Synthetic resin stabilizers based on quadratic acid amides
Grant 4,170,588 - Hegenberg, deceased , et al. October 9, 1 | 1979-10-09 |
Process for production of foamed shaped pieces with poreless surface made by the molding process
Grant 4,096,219 - Mollenbruck , et al. June 20, 1 | 1978-06-20 |
Molded styrene polymer articles from vacuum-formed or thermoformed S-B-S block copolymer sheets
Grant 4,096,224 - Simon , et al. June 20, 1 | 1978-06-20 |
Heat-sealable vulcanizates comprising polyolefin rubber and propylene polymer
Grant 4,086,301 - Zerpner , et al. April 25, 1 | 1978-04-25 |
Process for the production of homogeneous, bar-shaped or granular thermoplastic compositions
Grant 4,081,502 - Blumel , et al. March 28, 1 | 1978-03-28 |
Process for the purification of 1,10-decanedicarboxylic acid
Grant 4,067,779 - List , et al. January 10, 1 | 1978-01-10 |
Process for cooling a polymerization reactor
Grant 4,061,848 - Sistig , et al. December 6, 1 | 1977-12-06 |
Oxo process with recovery of cobalt hydrocarbonyl in solution for recycle
Grant 4,061,687 - Kaufhold , et al. December 6, 1 | 1977-12-06 |
Process and apparatus for withdrawing a sample from a reaction vessel under pressure
Grant 4,056,981 - Kalka , et al. November 8, 1 | 1977-11-08 |
Cooling unit for large polymerization vessels
Grant 4,050,901 - Pfeiffer , et al. September 27, 1 | 1977-09-27 |
Method for the production of ethylbenzene
Grant 4,048,243 - Ruckelshauss September 13, 1 | 1977-09-13 |
Process for the bonding of films and molded components
Grant 4,046,945 - Baxmann , et al. September 6, 1 | 1977-09-06 |
Process for coating pretreated vulcanized articles of saturated or unsaturated polyolefin rubber
Grant 4,024,317 - Stoye , et al. May 17, 1 | 1977-05-17 |
Coating compositions containing as binder aqueous polymer dispersions
Grant 4,017,443 - Turck , et al. April 12, 1 | 1977-04-12 |
Process for the production of crystalline terpolymers of ethene, butene-1 and butene-2
Grant 4,011,384 - Baxmann , et al. March 8, 1 | 1977-03-08 |
Process for the preparation of pilling-resistant fiber products from polyesters
Grant 4,004,878 - Magosch , et al. January 25, 1 | 1977-01-25 |
Pourable elastomeric particles
Grant 3,998,778 - Berg , et al. December 21, 1 | 1976-12-21 |
Foam inhibited or attenuated washing, cleaning and rinsing agents for dishes and utensils
Grant 3,993,605 - Scholz-Weigl , et al. November 23, 1 | 1976-11-23 |
Process for the carboxymethylation of alcohols or ether alcohols
Grant 3,992,443 - Springmann November 16, 1 | 1976-11-16 |
Process for hydrogenation of dodecanedioic acid dinitrile
Grant 3,987,099 - Hockele , et al. October 19, 1 | 1976-10-19 |
Low pressure process for the production of low density co- and terpolymers of ethylene
Grant 3,981,849 - Frese , et al. September 21, 1 | 1976-09-21 |
Production of binders for coating compositions
Grant 3,976,626 - Turck August 24, 1 | 1976-08-24 |
Catalyst for the preparation of polyalkenamers
Grant 3,974,092 - Streck , et al. August 10, 1 | 1976-08-10 |
Catalyst system for the production of polyalkenamers
Grant 3,974,094 - Streck , et al. August 10, 1 | 1976-08-10 |
Method for preparing straight-chain primary alcohols
Grant 3,968,177 - Kaufhold , et al. July 6, 1 | 1976-07-06 |
Polyamide base powder coating material
Grant 3,966,838 - Feldmann , et al. June 29, 1 | 1976-06-29 |
Method for preparing low pilling effect polyester fiber products
Grant 3,953,405 - Feinauer , et al. April 27, 1 | 1976-04-27 |
Separate streams with different catalyst prior to combination
Grant 3,931,357 - Meyer , et al. January 6, 1 | 1976-01-06 |
Process for the production of polymeric hydrocarbons having reactive silyl end groups
Grant 3,929,850 - Streck , et al. December 30, 1 | 1975-12-30 |
Process for the production of pourable, pulverulent rubbers
Grant 3,923,707 - Berg , et al. December 2, 1 | 1975-12-02 |
Process for the removal of catalyst residues
Grant 3,904,498 - Hesse , et al. September 9, 1 | 1975-09-09 |
Method for the separation of acetic acid by extractive rectification
Grant 3,878,241 - Muller April 15, 1 | 1975-04-15 |
Process For The Production Of Polymeric Hydrocarbons Having Reactive Silyl End Groups
Grant 3,857,825 - Streck , et al. December 31, 1 | 1974-12-31 |
Process For The Production Of Liquid Butadiene Polymers
Grant 3,852,373 - Hesse , et al. December 3, 1 | 1974-12-03 |
Apparatus For The Preparation Of Emulsifier-containing Polyvinyl Chloride Or Vinyl Chloride Copolymer Powders
Grant 3,805,869 - Winter , et al. April 23, 1 | 1974-04-23 |
Coating Compositions Comprising A Mixture Of A Polyester And An Aminoplast
Grant 3,678,128 - Riemhofer , et al. July 18, 1 | 1972-07-18 |
Coating Compositions Comprising Aminoplasts And Polyester Blends
Grant 3,668,276 - Riemhofer , et al. June 6, 1 | 1972-06-06 |
Coating Compositions Comprising A Mixture Of A Polyester And Aminoplast
Grant 3,668,277 - Riemhofer , et al. June 6, 1 | 1972-06-06 |
Apparatus For The Dissolution Of Rubber
Grant 3,642,451 - Feja , et al. February 15, 1 | 1972-02-15 |
Method And System For The Automatic Control Of Chemical Plants With Parallel-connected Computer Backup System
Grant 3,636,331 - Amrehn January 18, 1 | 1972-01-18 |
Polyether-melamines And Process Of Manufacture
Grant 3,624,035 - von Portatius November 30, 1 | 1971-11-30 |
Process Of Improving Formed Silica Gels
Grant 3,607,044 - List , et al. September 21, 1 | 1971-09-21 |
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