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Class Information
Number: 252/380
Name: Compositions > Preservative agents
Description: Compositions specialized and designed for, or peculiar to, use as or in agents or materials for preventing, inhibiting or reducing chemical or physical changes in other substances or bodies when incorporated or associated therewith, and processes of making the same, excepting compositions and processes of making them which are primarily for use as analytical, testing, or indicating compositions.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7381250 |
Interior protectant/cleaner composition |
Jun. 3, 2008 |
| 7199181 |
Stabilising composition II |
Apr. 3, 2007 |
| 7196135 |
Stabilizing composition I |
Mar. 27, 2007 |
| 7175819 |
Regeneration of cupric etchants and recovery of copper sulfate |
Feb. 13, 2007 |
| 7153541 |
Method for inhibiting oxidation of metal sulfide-containing material |
Dec. 26, 2006 |
| 7087753 |
Naphthyltriazines as stabilizers for organic material |
Aug. 8, 2006 |
| 6964745 |
Use of superabsorbent polymers for treating raw skins, corresponding compositions and methods and resulting treated skins |
Nov. 15, 2005 |
| 6953534 |
Engine antifreeze composition |
Oct. 11, 2005 |
| 6946297 |
System for stabilizing samples |
Sep. 20, 2005 |
| 6855269 |
Phenyl ether-substituted hydroxyphenyl triazine ultraviolet light absorbers |
Feb. 15, 2005 |
| 6800757 |
Red-shifted triazine ultravioletlight absorbers |
Oct. 5, 2004 |
| 6762227 |
Inhibition of marine biofouling of surfaces |
Jul. 13, 2004 |
| 6753301 |
Thermally stable perfluoropolyethers and processes therefor and therewith |
Jun. 22, 2004 |
| 6743336 |
Composition for de-acidification of cellulose material |
Jun. 1, 2004 |
| 6736996 |
Compositions for protecting civil infrastructure |
May. 18, 2004 |
| 6733687 |
Hybrid supplemental coolant additive |
May. 11, 2004 |
| 6716632 |
System for stabilizing samples |
Apr. 6, 2004 |
| 6716392 |
Preservation of liquid biological samples |
Apr. 6, 2004 |
| 6572788 |
Amine oxide wood preservatives |
Jun. 3, 2003 |
| 6551552 |
Systems and methods for preventing and/or reducing corrosion in various articles |
Apr. 22, 2003 |
| 6548532 |
Indolecarboxylic compounds for treating seborrhea and complications thereof |
Apr. 15, 2003 |
| 6541019 |
Preservatives of formulations for topical use |
Apr. 1, 2003 |
| 6541507 |
Indolecarboxylic compounds for inducing/stimulating hair growth and/or retarding hair loss |
Apr. 1, 2003 |
| 6531075 |
Stabilization of perfluoroalkyl alkyl ketones |
Mar. 11, 2003 |
| 6531317 |
Cytological and histological fixature composition and methods of use |
Mar. 11, 2003 |
| 6485790 |
Methods for enhancing penetration of wood preservatives |
Nov. 26, 2002 |
| 6447793 |
Water soluble, broad spectrum preservative system |
Sep. 10, 2002 |
| 6365066 |
Antifouling paint |
Apr. 2, 2002 |
| 6312774 |
Wood preservation utilizing polymeric phenol sulfide |
Nov. 6, 2001 |
| 6261844 |
Urine preservative |
Jul. 17, 2001 |
| 6248159 |
Wood preservative |
Jun. 19, 2001 |
| 6214253 |
Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application |
Apr. 10, 2001 |
| 6090855 |
Quaternary ammonium carbonate compositions and preparation thereof |
Jul. 18, 2000 |
| 6087303 |
Quaternary ammonium carboxylate and borate compositions and preparation thereof |
Jul. 11, 2000 |
| 5998216 |
Stabilizing formulation for preserving the integrity of proteins present in a body fluid sampled ex-vivo for evaluation as a specimen |
Dec. 7, 1999 |
| 5955371 |
Apparatus for inhibiting glycolysis in blood samples |
Sep. 21, 1999 |
| 5925424 |
Wood preservation utilizing polymeric phenol sulfide |
Jul. 20, 1999 |
| 5891921 |
Quaternary ammonium carboxylate and borate compositions and preparation thereof |
Apr. 6, 1999 |
| 5874025 |
Timber preservative containing a copper compound |
Feb. 23, 1999 |
| 5859009 |
Substituted spiroalkylamino and alkoxy heterocycles, processes for their preparation, and their use as pesticides and fungicides |
Jan. 12, 1999 |
| 5855816 |
Dust suppression in solids |
Jan. 5, 1999 |
| 5817369 |
Method of treating wood |
Oct. 6, 1998 |
| 5776361 |
Multi-component oxygen scavenging composition |
Jul. 7, 1998 |
| 5760088 |
Quaternary ammonium hydroxide compositions and preparation thereof |
Jun. 2, 1998 |
| 5700841 |
Quaternary ammonium carboxylate and borate compositions and preparation thereof |
Dec. 23, 1997 |
| 5681748 |
Media concentrate technology |
Oct. 28, 1997 |
| 5679287 |
Uses of heptafluoropropane |
Oct. 21, 1997 |
| 5670160 |
Preservatives and their use |
Sep. 23, 1997 |
| 5665432 |
Process for treating timber |
Sep. 9, 1997 |
| 5660761 |
Multi-component oxygen scavenger system useful in film packaging |
Aug. 26, 1997 |
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