Moderately crosslinked polymers as hydrocarbon oil additives

Assignee: ExxonMobil Technology and Engineering Co

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Filing: 1962-12-27

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Granted: 1965-12-07

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Expires: 1982-12-27

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Abstract

No abstract record available.

Inventors

👤 Edward B Berkowitz
👤 William H Stadtmiller
👤 Berkowitz Leonard

Bibliographic Details

Application Number —

Jurisdiction US

Data Source google_patents

Last Synchronized 2026-11-03 15:51

CPC Classifications

C; C10; C10M; C10M145/00; C10M145/02; C10M145/10; C10M145/16; B; B24; B24B; B24B19/00; B24B19/08; B24B19/12; B24B21/00; B24B21/006; C08; C08F; C08F18/00; C08F18/02; C08F18/04; C08F18/08; C08F22/00; C08F22/04; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F36/00; C08F36/02; C08F36/20; C08F8/00; C08F8/34; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/192; C10L1/195; C10L1/196; C10L1/1966; C10L1/1963; C10M2201/00; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/10; C10M2203/104; C10M2203/106; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/027; C10M2207/028; C10M2207/04; C10M2207/08; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/288; C10M2207/30; C10M2207/302; C10M2207/32; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/104; C10M2209/11; C10M2209/111; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/08; C10M2215/082; C10M2215/12; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/026; C10M2217/028; C10M2217/04; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/08; C10M2219/082; C10M2221/00; C10M2221/02; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/06; C10M2223/061; C10M2223/065; C10M2223/12; C10M2225/00; C10M2225/02; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/08; C10M2227/082; C10N; C10N2010/00; C10N2010/04; C10N2010/08; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28; C10N2070/00; C10N2070/02; F; F02; F02B; F02B3/00; F02B3/06

Claims Analysis

Total Claims: 4

Claim 1

Independent Claim 87 words

AN IMPROVED OIL-SOLUBLE POLYMERIC ADDITIVE FOR HYDROCARBON OILS COMPRISING THE COPOLYMERIZATION PRODUCT OF FROM 15 TO 50 MOLE PERCENT OF AN ESTER OF A C8 TO C20 ALIPHATIC ALCOHOL AND A C4 TO C5 ALPHA,BETA-UNSATURATED DICARBOXYLIC ACID, FROM 50 TO 85 MOLE PERCENT OF A C2 TO 3 ALKYLENE ESTER OF A C1 TO C4 FATTY ACID, AND FROM 1 TO 10 MOLE PERCENT OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF ANHYDRIDES OF C4 TO C5 UNSATURATED DIBASIC ACIDS, AND HYDROXYALKYL ACRYLATES OF THE FORMULA:

Claim 2

Dependent Claim 87 words

Claim 3

Dependent Claim 33 words

AN IMPROVED HYDROCARBON COMPOSITION COMPRISING A MAJOR PROPORTION OF HYDROCARBON OIL TO WHICH HAS BEEN ADDED FROM ABOUT 0.002 TO ABOUT 10 WT. PERCENT OF A POLYMERIC ADDITIVE AS DEFINED BY CLAIM 1.

Claim 4

Dependent Claim 14 words

POLYMERIC ADDITIVE AS DEFINED BY CLAIM 1 WHEREIN SAID ALLYL COMPOUND IS TRIALLYL CYANURATE.

References Cited (Backward Citations)

US2298066A Cited

US2361055A Cited

US2295924A Cited

US2413973A Cited

US2616852A Cited

US2655479A Cited

US2704277A Cited

US2891991A Cited

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USPTO Annuity & Maintenance Windows

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1968-12-06	1969-06-07	1969-12-07	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1972-12-06	1973-06-07	1973-12-07	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1976-12-06	1977-06-07	1977-12-07	$7700.00	Window Closed / Lapsed

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