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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4252931 |
Polymers containing primary aliphatic carbonamide groups and/or N-methylol derivatives of the ca... |
Feb. 24, 1981 |
| 4252930 |
Polymerization catalyst composition |
Feb. 24, 1981 |
| 4252929 |
Process for preparing polyolefins |
Feb. 24, 1981 |
| 4252928 |
Process for polymerizing 1-olefins with a chromium catalyst and a catalyst modifier comprising a... |
Feb. 24, 1981 |
| 4252927 |
Process for polymerizing 1-olefins with a chromium-containing catalyst and a modifier comprising... |
Feb. 24, 1981 |
| 4252926 |
Process for polymerizing olefins and polymerization catalysts used therefor |
Feb. 24, 1981 |
| 4252925 |
Anionic polymerization process |
Feb. 24, 1981 |
| 4252924 |
Continuous process for the preparation of nonrandom ethylene/acid copolymer |
Feb. 24, 1981 |
| 4252922 |
Polycarbonate molding compositions with improved resilience properties |
Feb. 24, 1981 |
| 4252921 |
Polyesterionomers having utility in liquid electrographic developer compositions |
Feb. 24, 1981 |
| 4252920 |
Method for preparing ether-ester-amide block polymers for among other moulding, extruding or spi... |
Feb. 24, 1981 |
| 4252919 |
Stabilized azulmic acids, processes for their preparation and their use |
Feb. 24, 1981 |
| 4252918 |
Brominated rubber |
Feb. 24, 1981 |
| 4252917 |
Hydrophilic polymer and process for producing the same |
Feb. 24, 1981 |
| 4252916 |
Thermally stable translucent polycarbonate compositions |
Feb. 24, 1981 |
| 4252915 |
Method of blending ethylene vinylacetate copolymers and polydiorganosiloxane gums and the blends... |
Feb. 24, 1981 |
| 4252914 |
Thermoplastic elastomer blends of hydrogenated polybutadiene block copolymers with alpha-olefin ... |
Feb. 24, 1981 |
| 4252913 |
Low molecular weight polyphenylene ether compositions |
Feb. 24, 1981 |
| 4252912 |
Process for polymerizing terpolymer polyblends having low surface gloss |
Feb. 24, 1981 |
| 4252911 |
Mass polymerization process for ABS polyblends |
Feb. 24, 1981 |
| 4252910 |
Material for resilient, conforming pads, cushions, supports or the like and method |
Feb. 24, 1981 |
| 4252909 |
Free-expandable rubbery composition |
Feb. 24, 1981 |
| 4252908 |
Process for the preparation of phenol-formaldehyde foams |
Feb. 24, 1981 |
| 4252907 |
Process for preparing a porous composite material |
Feb. 24, 1981 |
| 4252906 |
Process for preparing foamed and crosslinked shaped articles having improved heat-sealability an... |
Feb. 24, 1981 |
| 4252905 |
Method of preparing a mixture of ion exchange resins |
Feb. 24, 1981 |
| 4252904 |
Bacteria growing device |
Feb. 24, 1981 |
| 4252903 |
Indicator-capillary for urea-determination |
Feb. 24, 1981 |
| 4252902 |
Process for purification of crude kallikrein |
Feb. 24, 1981 |
| 4252901 |
System and process for anaerobic digestion |
Feb. 24, 1981 |
| 4252900 |
Recovery of starch from amylaceous roots and/or grains as aqueous slurries |
Feb. 24, 1981 |
| 4252899 |
Process for immobilizing glucose isomerase and a method of continuous isomerization of glucose |
Feb. 24, 1981 |
| 4252898 |
Antibiotics A6888C and A6888X |
Feb. 24, 1981 |
| 4252897 |
Method and apparatus for bacteria testing |
Feb. 24, 1981 |
| 4252896 |
Method of stabilizing peroxidase in a serum protein based medium |
Feb. 24, 1981 |
| 4252895 |
Photodevelopable silver halide photosensitive material |
Feb. 24, 1981 |
| 4252894 |
Hydrophilic color coupler composition containing diepoxide |
Feb. 24, 1981 |
| 4252893 |
Light-sensitive silver halide photographic material |
Feb. 24, 1981 |
| 4252892 |
Photographic color developer compositions |
Feb. 24, 1981 |
| 4252891 |
Method of manufacturing embossed articles of preset configuration |
Feb. 24, 1981 |
| 4252890 |
Imaging system which agglomerates particulate material |
Feb. 24, 1981 |
| 4252889 |
Process of making an optically recordable and readable information carrier and the carrier obtai... |
Feb. 24, 1981 |
| 4252888 |
Solder mask composition |
Feb. 24, 1981 |
| 4252887 |
Dimers derived from unsymmetrical 2,4,5-triphenylimidazole compounds as photoinitiators |
Feb. 24, 1981 |
| 4252886 |
Novel resists and recording media |
Feb. 24, 1981 |
| 4252885 |
Polyester coated films using an aqueous polyester dispersion and photographic layer |
Feb. 24, 1981 |
| 4252884 |
Negative-working diazotype photoreproduction |
Feb. 24, 1981 |
| 4252883 |
Process for producing electrophotographic photosensitive member |
Feb. 24, 1981 |
| 4252882 |
Developing electrophotographic images using aqueous ink and treating smooth, hydrophobic image s... |
Feb. 24, 1981 |
| 4252881 |
Developer mixture |
Feb. 24, 1981 |
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