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Class 525/330.5 - Nitrogen containing chemical treating agent


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Product wherein a nitrogen containing chemical treating
No. of patents: 326
Last issue date: 10/16/2012


                9  
NumberTitleIssue Date
3988504Catalysts for the hydrogenation of unsaturated hydrocarbon polymers
A hydrogenation catalyst for unsaturated hydrocarbon polymers is made by reducing a ligand metal salt with either a trialkyl aluminum or a dialkyl aluminum hydride compound. The catalysts easily and readily promotes a hydrogenation process....
10/26/1976
3981987Hair setting compositions containing easily removable neutralized copolymers
Copolymers obtained by copolymerization of vinyl esters of aliphatic carboxylic acids and/or acrylic or methacrylic acid esters of aliphatic alcohols, with half-esters of ethylenically unsaturated dibasic carboxylic acids, followed by neutralization with ...
09/21/1976
3966679Absorbent articles and methods for their preparation
Water swellable absorbent articles, made from carboxylic polyelectrolytes, together with methods for their preparation, and a composition useful to make said articles are disclosed. The articles are crosslinked by heating and/or removing substantially all...
06/29/1976
3960822Crosslinking polymers with chloronitroso compounds
Organic polymers are crosslinked with polyfunctional chloronitroso containing compounds....
06/01/1976
3944424PHOTOGRAPHIC OR IMAGE RECIEVING ELEMENTS CONTAINING POLYMERIC MORDANTS
A water-insoluble polymer comprising repeating units at least 1/3 of said repeating units having the formula: ##SPC1## Wherein R1 and R2 are hydrogen or alkyl and R3, R4 and R5 are alkyl groups wherei...
03/16/1976
3941751Epoxy-azido compounds
Disclosed are epoxy-azido compounds of the formula ##EQU1## or where R is a polyvalent organic radical, R' is a hydrogen, alkyl, cycloalkyl, aryl, or aralkyl radical, A is And n and m are integers from 1 to 100. Also disclosed is the use of said epox...
03/02/1976
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