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US3223680A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyesters of olefinic alcohols and complex acids and their polymerized products

Assignee: Union Oil Company of California
•
Filing: 1960-12-30
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Granted: 1965-12-14
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Expires: 1980-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 Walter E Kramer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:06
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08F; C08F18/00; C08F18/02; C08F18/04; C08F18/10; C08G63/46

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 218 words
A POLYMERIZED, CROSS-LINKED RESIN PREPARED BY THE REACTION UNDER ESTERIFICATION CONDITIONS OF (1) A CARBOXYLIC ACID PREPARED FORM SOLVENT EXTRACTS OBTAINED IN THE SOLVENT REFINING OF MINERAL LUBRICATING OILS USING A SOLVENT SELECTIVE FOR AROMATIC COMPOUNDS, BY REACTION OF SAID SOLVENT EXTRACTS WITH AN ALKALI METAL TO FORM THE ALKALI METAL ADDUCT, CARBONATION OF ASAID ADDUCT TO FORM THE CORRESPONDING ALKALI METAL SALT OF A CRBOXYLIC ACID AND ACIDIFICATION OF SAID SALT TO FORM THE FREE ACID CHARACTERIZED BY HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 375 TO 450, CONTAIN ABOUT 1.9 TO ABOUT 4.5 WEIGHT PERCENT OF COMBINED SULFUR AND HAV AN AVERAGE OF ABOUT 1.7 TO 3.5 AROMATIC RINGS PER MEAN AROMATIC MOLECULE AND (2) AN ALCOHOL OF THE GROUP CONSISTING OF MONOHYDRIC OLEFINIC ALCOHOLS HAVING 3 TO 33 CARBON ATOMS PER MOLECULE, MONOHYDRIC DIOLEFINIC ALCOHOLS HAVING 5 TO 45 CARBON ATOMS PER MOLECULE, DIHYDRIC DIOLEFINIC ALCOHOLS HAVING 6 TO 46 CARBON ATOMS PER MOLECULE, DIHYDRIC OLEFINIC ALCOHOLS OF 4 TO 33 CARBON ATOMS PER MOLECULE AND THE CORRESPONDING ACETYLENIC ALCOHOLS OF SAID GROUP USING ABOUT 1 MOLE OF SAID CARBOXYLIC ACID TO ABOUT 2 TO 2 1/2 MOLES OF SAID ALCOHOL AT A TEMPERATUE OF ABOUT 100* TO 200*C. TO FORM THE UNSATURATED ESTER AND POLYMERIZING SAID ESTER IN THE PRESENCE OF A PEROXIDE INITIATOR.
Claim 2
Dependent Claim 218 words
A POLYMERIZED, CROSS-LINKED RESIN PREPARED BY THE REACTION UNDER ESTERIFICATION CONDITIONS OF (1) A CARBOXYLIC ACID PREPARED FORM SOLVENT EXTRACTS OBTAINED IN THE SOLVENT REFINING OF MINERAL LUBRICATING OILS USING A SOLVENT SELECTIVE FOR AROMATIC COMPOUNDS, BY REACTION OF SAID SOLVENT EXTRACTS WITH AN ALKALI METAL TO FORM THE ALKALI METAL ADDUCT, CARBONATION OF ASAID ADDUCT TO FORM THE CORRESPONDING ALKALI METAL SALT OF A CRBOXYLIC ACID AND ACIDIFICATION OF SAID SALT TO FORM THE FREE ACID CHARACTERIZED BY HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 375 TO 450, CONTAIN ABOUT 1.9 TO ABOUT 4.5 WEIGHT PERCENT OF COMBINED SULFUR AND HAV AN AVERAGE OF ABOUT 1.7 TO 3.5 AROMATIC RINGS PER MEAN AROMATIC MOLECULE AND (2) AN ALCOHOL OF THE GROUP CONSISTING OF MONOHYDRIC OLEFINIC ALCOHOLS HAVING 3 TO 33 CARBON ATOMS PER MOLECULE, MONOHYDRIC DIOLEFINIC ALCOHOLS HAVING 5 TO 45 CARBON ATOMS PER MOLECULE, DIHYDRIC DIOLEFINIC ALCOHOLS HAVING 6 TO 46 CARBON ATOMS PER MOLECULE, DIHYDRIC OLEFINIC ALCOHOLS OF 4 TO 33 CARBON ATOMS PER MOLECULE AND THE CORRESPONDING ACETYLENIC ALCOHOLS OF SAID GROUP USING ABOUT 1 MOLE OF SAID CARBOXYLIC ACID TO ABOUT 2 TO 2 1/2 MOLES OF SAID ALCOHOL AT A TEMPERATUE OF ABOUT 100* TO 200*C. TO FORM THE UNSATURATED ESTER AND POLYMERIZING SAID ESTER IN THE PRESENCE OF A PEROXIDE INITIATOR.

References Cited (Backward Citations)

US2221662A Cited
US2482606A Cited
US2723259A Cited
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US2970164A Cited
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US3129192A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

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