US3247146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of monomeric materials using a polymeric soap which is a polyester ofa polycarboxylic acid and a polyalkylene glycol as an emulsifier
Assignee: DSM Copolymer Inc
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Filing: 1963-10-07
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Granted: 1966-04-19
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Grover C Royston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:51
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08F; C08F236/00; C08F236/02; C08F236/04; C08F236/14; C08F236/16; Y; Y10; Y10S; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A PROCESS FOR THE POLYMERIZATION OF POLYMERIZABLE MONOMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF CHLOROPRENE MONOMER, AT LEAST ONE CONJUGATED DIOLEFIN MONOMER, AND MIXTURES OF AT LEAST ONE OF SAID MONOMERS WITH AT LEAST ONE MONOETHYLENICALLY UNSATURATED COMONOMER COPOLYMERIZABLE THEREWITH WHILE DISPERSED IN AN AQUEOUS MEDIUM UNDER POLYMERIZATION CONDITIONS IN THE PRESENCE OF AT LEAST ONE EMULSIFYING AGENT AND A POLYMERIZATION CATALYST WHEREBY LATEX OF THE RESULTING POLYMER IS PRODUCED, THE IMPROVEMENT WHICH COMPRISES EMPLOYING IN SAID AQUEOUS MEDIUM DURING THE POLYMERIZATION OF THE MONOMERIC MATERIAL AN EMULSIFYING AGENT COMPRISING A WATER SOLUBLE POLYMERIC SOAP WHICH IS A POLYESTER OF AN ORGANIC ACID CONTAINING AT LEAST THRE CARBOXYLIC ACID GROUPS AND A POLYALKYLENE GLYCOL, THE POLYESTER CONTAINING A PLURALITY OF SAPONIFIED CABOXYLIC ACID GROUPS.
Claim 2
Dependent Claim
126 words
IN A PROCESS FOR THE POLYMERIZATION OF POLYMERIZABLE MONOMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF CHLOROPRENE MONOMER, AT LEAST ONE CONJUGATED DIOLEFIN MONOMER, AND MIXTURES OF AT LEAST ONE OF SAID MONOMERS WITH AT LEAST ONE MONOETHYLENICALLY UNSATURATED COMONOMER COPOLYMERIZABLE THEREWITH WHILE DISPERSED IN AN AQUEOUS MEDIUM UNDER POLYMERIZATION CONDITIONS IN THE PRESENCE OF AT LEAST ONE EMULSIFYING AGENT AND A POLYMERIZATION CATALYST WHEREBY LATEX OF THE RESULTING POLYMER IS PRODUCED, THE IMPROVEMENT WHICH COMPRISES EMPLOYING IN SAID AQUEOUS MEDIUM DURING THE POLYMERIZATION OF THE MONOMERIC MATERIAL AN EMULSIFYING AGENT COMPRISING A WATER SOLUBLE POLYMERIC SOAP WHICH IS A POLYESTER OF AN ORGANIC ACID CONTAINING AT LEAST THRE CARBOXYLIC ACID GROUPS AND A POLYALKYLENE GLYCOL, THE POLYESTER CONTAINING A PLURALITY OF SAPONIFIED CABOXYLIC ACID GROUPS.
References Cited (Backward Citations)
US2512697A
Cited
US2786785A
Cited
US2939857A
Cited
US3022262A
Cited
US3021308A
Cited
US3068196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |