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Class Information
Number: 528/902
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Particulate material prepared from an isocyanate
Description: Subject matter involving particulate polymers formed from at least one -N=C=C- containing reactant (X is a chalcogen atom).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7589163 |
Peel-treating agent and method for producing the peel-treating agent |
Sep. 15, 2009 |
| 7576158 |
Reactive single-component coating and/or adhesive granulate |
Aug. 18, 2009 |
| 7193028 |
Peel-treating agent and method for producing the peel-treating agent |
Mar. 20, 2007 |
| 6228981 |
Process for preparing an aqueous dispersion coating material and process for preparing a powder coating material |
May. 8, 2001 |
| 5571623 |
Fine polyurethane particles, colloidal polyurea particles, and production processes thereof |
Nov. 5, 1996 |
| 5354432 |
Process for the production of isocyanates and for working up the residue |
Oct. 11, 1994 |
| 5292829 |
Isocyanurate ring-containing crosslinked polyurethane polyurea particulate polymer and process for producing the same |
Mar. 8, 1994 |
| 5104959 |
Polyurethane-based reactive adhesives in which the isocyanate is stabilized by a polyether amine |
Apr. 14, 1992 |
| 4940750 |
Continuous process for the production of powdered polyisocyanate addition products and the powders produced therefrom |
Jul. 10, 1990 |
| 4853417 |
Process for manufacturing rigid polyurethane foam |
Aug. 1, 1989 |
| 4619985 |
Process for the production of deactivated suspensions of finely-divided polyisocyanates in relatively high molecular weight compounds, deactivated suspensions and use thereof for the productio |
Oct. 28, 1986 |
| 4595445 |
Adhesive joining of surfaces using thermosetting polyurethane urea reactive adhesive compositions |
Jun. 17, 1986 |
| 4543393 |
Mixtures, for polyurethane adhesives, which consist of polyols and/or polyamines and polyisocyanates, are liquid at room temperature, have a long shelf life and can be activated by heat |
Sep. 24, 1985 |
| 4525400 |
Composition for promoting adhesion of curable silicones to substrates |
Jun. 25, 1985 |
| 4525570 |
Heat-setting mixtures which have a long shelf life and comprise a polyisocyanate and compounds which are reactive toward isocyanate groups, and their preparation |
Jun. 25, 1985 |
| 4507456 |
Heat-setting mixtures of a polyisocyanate with a polyol which have a long shelf life, and their preparation |
Mar. 26, 1985 |
| 4412034 |
Cross-linkable saturated powderous compositions and powderous painting and coating compositions containing same |
Oct. 25, 1983 |
| 4403083 |
Preparation of solid polyurethane particles |
Sep. 6, 1983 |
| 4400497 |
Storage stable, heat curable mixtures of polyisocyanate and polyol and process for their manufacture and use |
Aug. 23, 1983 |
| 4311815 |
Process for the production of moldings based on polyurethanes |
Jan. 19, 1982 |
| 4304873 |
Preparation of expanded flexible polyurethane foam micro-bits |
Dec. 8, 1981 |
| 4297456 |
Process for working up isocyanate distillation residues |
Oct. 27, 1981 |
| 4284745 |
Cross-linkable saturated powderous compositions and powderous painting and coating compositions containing same |
Aug. 18, 1981 |
| 4276390 |
Flame-spraying coating |
Jun. 30, 1981 |
| 4246380 |
Powdery polyurethane lacquers based on polyester resins and blocked isocyanates |
Jan. 20, 1981 |
| 4230809 |
Pressure-resistant polyurethane-polyurea particles for the encapsulation of active ingredients and process for their manufacture |
Oct. 28, 1980 |
| 4212982 |
Polyisocyanates with at least one hydantoin or thiohydantoin ring substituted by carboxylic acid amide groups |
Jul. 15, 1980 |
| 4192928 |
Thermoplastic polyurethane and process for the preparation thereof |
Mar. 11, 1980 |
| 4182840 |
Cross-linkable saturated powderous compositions and powderous painting and coating compositions containing same |
Jan. 8, 1980 |
| 4070346 |
Production of polyurethane powder |
Jan. 24, 1978 |
| 4069208 |
Heat-activatable polyurethane powder coatings |
Jan. 17, 1978 |
| 4049632 |
Chain extending polyurethanes with a large excess of water |
Sep. 20, 1977 |
| 4032516 |
Method of making polyurethane powder |
Jun. 28, 1977 |
| 4028310 |
Process for the production of polyureas |
Jun. 7, 1977 |
| 4021378 |
Microcellular foams |
May. 3, 1977 |
| 4018744 |
Storage stable polyester-polyurethane-producing compositions |
Apr. 19, 1977 |
| 4000218 |
Process for preparing particulate polyurethane polymers and the polymers derived therefrom |
Dec. 28, 1976 |
| 3998768 |
Thermosetting powder coating composition of a blend of acrylic polymers having different glass transition temperatures and a blocked polyisocyanate cross-linking agent |
Dec. 21, 1976 |
| 3963710 |
Finely divided blocked isocyanates prepared in the presence of surfactants |
Jun. 15, 1976 |
| 3954719 |
Process for the production of a single-component powder resin for use in electrostatic powder spray coating processes |
May. 4, 1976 |
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