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Class Information
Number: 502/164
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Organic compound containing > Organic phosphorus or nitrogen, except the ammonium ion > Quaternary ammonium or phosphonium
Description: Composition in which the nitrogen or phosphorus has four valence satisfied by organic moieties.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4186255 |
Bis-quaternary ammonium salts as polyisocyanurate catalysts |
Jan. 29, 1980 |
| 4177223 |
Press-curable fluoropolymer compositions and process |
Dec. 4, 1979 |
| 4169853 |
Homogeneous ruthenium catalysts useful in the reduction of ortho-substituted nitroaromatics to amines |
Oct. 2, 1979 |
| 4159964 |
Metal chelate catalyst and alkanolamine hydroxide on adsorptive support |
Jul. 3, 1979 |
| 4157312 |
Catalytic composite particularly useful for the oxidation of mercaptans contained in a sour petroleum distillate |
Jun. 5, 1979 |
| 4152284 |
Accelerator combination for the cross-linking of powder paints |
May. 1, 1979 |
| 4151109 |
Quaternary ammonium catalyst system for the polymerization of 2-pyrrolidone |
Apr. 24, 1979 |
| 4138364 |
Catalyst for polyesters and method for making the same |
Feb. 6, 1979 |
| 4138385 |
Substituted acetylacetonate cobaltic promoters for unsaturated polyester resin |
Feb. 6, 1979 |
| 4119614 |
Process for making polyester polymer |
Oct. 10, 1978 |
| 4116879 |
Quaternary hydroxyalkyl tertiary amine bases as polyurethane catalysts |
Sep. 26, 1978 |
| 4117013 |
Catalysts for the ammonolysis of pentaerythrityl tetrachloride |
Sep. 26, 1978 |
| 4107154 |
Anionic copolymerization of 2-pyrrolidone with C.sub.7 -C.sub.12 lactam |
Aug. 15, 1978 |
| 4104294 |
Crystalline silicates and method for preparing same |
Aug. 1, 1978 |
| 4101564 |
Platinum-tin hydroformylation catalyst |
Jul. 18, 1978 |
| 4101531 |
Anionic copolymerization of 2-pyrrolidone with caprolactam or piperidone |
Jul. 18, 1978 |
| 4101465 |
A cocatalyst system for trimerizing isocyanates |
Jul. 18, 1978 |
| 4101447 |
Pyrrolidone polymerization catalyst system |
Jul. 18, 1978 |
| 4100146 |
Phosphonium catalyst system for the polymerization of 2-pyrrolidone |
Jul. 11, 1978 |
| 4098774 |
Quaternary ammonium catalyst system for the polymerization of 2-pyrrolidone |
Jul. 4, 1978 |
| 4092306 |
Oxidation of hydrazones to the corresponding diazo compounds in the presence of a phase transfer and an oxidation catalyst which is iodine, an iodide or an iodonium salt |
May. 30, 1978 |
| 4052484 |
Substituted cyclic phosphine oxides |
Oct. 4, 1977 |
| 4028270 |
Vinyl polymerization initiator and reducing agent |
Jun. 7, 1977 |
| 4014935 |
Carbodiimides |
Mar. 29, 1977 |
| 3993652 |
Cyclic quaternary hydroxyalkyl phenoxide catalysts for isocyanate reactions |
Nov. 23, 1976 |
| 3992432 |
Phase transfer catalysis of heterogeneous reactions by quaternary salts |
Nov. 16, 1976 |
| 3978026 |
Catalysts of the oxirane-anhydride reaction |
Aug. 31, 1976 |
| 3977996 |
Catalysts for the oxirane-anhydride reaction |
Aug. 31, 1976 |
| 3954684 |
Foam process using tertiary amine/quaternary ammonium salt catalyst |
May. 4, 1976 |
| 3954664 |
Addition polymerization process |
May. 4, 1976 |
| 3941871 |
Crystalline silicates and method of preparing the same |
Mar. 2, 1976 |
| 3933888 |
Production of unsaturated acids, esters and nitriles, and catalyst therefor |
Jan. 20, 1976 |
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