Description
Class C08F : MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/32: Processes of polymerisation Polymerisation in water-in-oil emulsions
C08F 2/32
Sub-Class
Stats
- 139 US PATENTS IN FORCE
- 9 US APPLICATIONS PENDING
- 63 Total Patent Owners
- 704 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12251453 | Self-invertible inverse latex comprising polyglycyerol esters, use thereof as a thickening agent, and cosmetic compositions comprising same | Apr 04, 19 | Mar 18, 25 | Societe D'Exploitation De Produits pour les Industries Chimiques (Seppic) |
| 12234303 | Stabilisers for use in inverse emulsion polymerisation processes | Dec 06, 19 | Feb 25, 25 | Solenis Technologies, L.P. |
| 12129323 | High viscosity latexes | Feb 15, 23 | Oct 29, 24 | Xerox Corporation |
| 12077638 | Methods of generating microparticles and porous hydrogels using microfluidics | Oct 26, 16 | Sep 03, 24 | University of Wyoming |
| 12042775 | Consumer product comprising biodegradable delivery particles | Nov 18, 21 | Jul 23, 24 | The Procter & Gamble Company |
| 11946024 | Detergent composition comprising an inverse latex comprising a particular sequestrant and a polyelectrolyte combining a strong acid function and a weak acid function | Dec 08, 20 | Apr 02, 24 | Societe D'Exploitation De Produits pour les Industries Chimiques (Seppic) |
| 11925569 | Porous prosthetic sleeve liner material | Oct 28, 19 | Mar 12, 24 | Arrowhead Center Inc. |
| 11912797 | Self-invertible inverse latex comprising, as an inverting agent, surfactant species of the polyglycerol ester family, use thereof as a thickening agent, and aqueous liquid detergent compositions comprising same for household or industrial use | Feb 27, 19 | Feb 27, 24 | Societe D'Exploitation De Produits pour les Industries Chimiques (Seppic) |
| 11814496 | High internal phase emulsion foam having cellulose nanoparticles | Mar 21, 17 | Nov 14, 23 | The Procter and Gamble Company |
| 11708426 | Continuous inverse emulsion polymerization process for uniform polymer size distribution | Mar 16, 21 | Jul 25, 23 | ChampionX USA Inc. |
| 11529611 | Composition for forming absorption-desorption sheet, absorption-desorption sheet including the composition, and method of preparing the absorption-desorption sheet | Dec 26, 17 | Dec 20, 22 | Korea Institute of Science and Technology |
| 11466101 | Self-invertible inverse latex comprising alkyl polyglycosides as an inverting agent and use thereof as a thickening agent for a detergent or cleaning formulation for industrial or domestic use | Nov 16, 18 | Oct 11, 22 | Societe D'Exploitation De Produits pour les Industries Chimiques (Seppic) |
| 11421140 | High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and application | Dec 03, 20 | Aug 23, 22 | China University of Petroleum (East China) |
| 11377508 | Temperature-responsive poly(2-hydroxyethyl methacrylate) (PHEMA) and preparation method thereof | Dec 29, 20 | Jul 05, 22 | CHANGZHOU UNIVERSITY |
| 11359135 | Inversion agents for water-in-oil lattices and methods of use | Aug 04, 20 | Jun 14, 22 | ECOLAB USA INC. |
| 11236184 | Method for producing porous microstructure | Feb 24, 21 | Feb 01, 22 | Tantti Laboratory Inc. |
| 11136420 | Water-absorbent resin and method of producing water-absorbent resin | Feb 28, 20 | Oct 05, 21 | SUMITOMO SEIKA CHEMICALS CO., LTD. |
| 11028203 | Molecular imprinted polymers targeting phenylalanine | Jun 29, 18 | Jun 08, 21 | Mipsalus APS |
| 10913837 | Nano-emulsion and nano-latexes with functionalized cellulose nanocrystals | Nov 04, 16 | Feb 09, 21 | Case Western Reserve University |
| 10835887 | Process for producing water-absorbing resin particles | Feb 08, 17 | Nov 17, 20 | Sumitomo Seika Chemicals Co. Ltd. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0092,203 | METHODS OF GENERATING MICROPARTICLES AND POROUS HYDROGELS USING MICROFLUIDICS | Jul 25, 24 | Mar 20, 25 | Not available |
| 2024/0067,761 | INVERT EMULSION HAVING DOUBLE PARTICLE SIZE DISTRIBUTION, PREPARATION METHOD THEREFOR AND USE THEREOF | Apr 12, 21 | Feb 29, 24 | Not available |
| 2024/0034,850 | HIGH INTERNAL PHASE EMULSION FOAM HAVING CELLULOSE NANOPARTICLES | Oct 06, 23 | Feb 01, 24 | Not available |
| 2022/0389,125 | EMULSION POLYMERISATION | Nov 12, 20 | Dec 08, 22 | EQUUS UK TOPCOLTD |
| 2022/0081,495 | MANUFACTURING METHOD FOR INVERSE EMULSION POLYMER | Feb 05, 20 | Mar 17, 22 | Not available |
| 2021/0380,729 | METHOD FOR SYNTHESISING POLYMERS BY CONTROLLED-RADICAL INVERSE EMULSION POLYMERISATION | Nov 04, 19 | Dec 09, 21 | SPCM SA |
| 2021/0054,109 | Process for Making and Using a Composition of Matter | Jan 11, 18 | Feb 25, 21 | Not available |
| 2018/0201,695 | CONTINUOUS ADIABATIC INVERSE EMULSION POLYMERIZATION PROCESS | Jan 23, 18 | Jul 19, 18 | Not available |
| 2018/0022,837 | REVERSE-PHASE POLYMERISATION PROCESS INCORPORATING A MICROFLUIDIC DEVICE | Jan 28, 16 | Jan 25, 18 | BASF SE |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 40 Months (last 2 years Issuances)
- 40 Months (last 5 years Issuances)