← Back to Patent Explorer
US3666837A Expired / Lapsed US ⏱️ 0.0 years remaining

Polymercapto polyphosphites

Assignee: Borg Warner Corp
•
Filing: 1969-06-24
•
Granted: 1972-05-30
•
Expires: 1989-06-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Compounds are prepared having the formula WHERE N IS ZERO OR AN INTEGER, PREFERABLY NOT OVER 9, R is a divalent aromatic, aliphatic or cycloaliphatic group, R1 is alkyl, haloalkyl, aryl, haloaryl, alkenyl, aralkyl, haloalkenyl, cycloalkyl, X is S, Y is nothing or oxygen. The thiophosphites are useful as antioxidants and as defoliants. The thiophosphates are useful as plasticizers and defoliants.

Inventors

  • 👤 Kenneth H Rattenbury

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 20:31
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/201; C07F9/165; C07F9/1652; C08; C08K; C08K5/00; C08K5/49; C08K5/5398; C10; C10M; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047; C10M2225/00; C10M2225/02; Y; Y10; Y10S; Y10S524/00; Y10S524/925

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 10 words
A compound according to claim 1 wherein Y is nothing.
Claim 2
Dependent Claim 59 words
A compound according to claim 2 wherein R1 is alkyl of one to 20 carbon atoms, phenyl, alkylphenyl having up to 18 carbon atoms in the alkyl group, halophenyl where the halogen has an atomic weight of 35 to 80, alkenyl of three to 20 carbon atoms, benzyl or cycloalkyl having five to six carbon atoms in the ring.
Claim 3
Dependent Claim 32 words
A compound according to claim 3 wherein R is alkylene of two to 20 carbon atoms, cycloalkylene of five to six carbon atoms, arylene of six to 10 carbon atoms or menthylene.
Claim 4
Dependent Claim 10 words
A compound according to claim 4 where n is 0.
Claim 5
Dependent Claim 16 words
A compound according to claim 5 wherein R is alkylene of up to 20 carbon atoms.
Claim 6
Dependent Claim 16 words
A compound according to claim 5, wherein R is cycloalkylene of five to six carbon atoms.
Claim 7
Dependent Claim 10 words
A compound according to claim 4 where n is 1.
Claim 8
Dependent Claim 33 words
A compound according to claim 3 wherein R is -(R2Z)m R2-where R2 is alkylene of two to eight carbon atoms, Z is oxygen or sulfur and m an integer of one to three.
Claim 9
Dependent Claim 10 words
A compound according to claim 1 which is tetrakis-(mercaptolauryl)-1,2-dimercaptoethylene diphosphate
Claim 10
Dependent Claim 10 words
A compound according to claim 1 which is tetrakis-(mercaptolauryl)-1,6-dimercaptohexylene diphosphite
Claim 11
Dependent Claim 10 words
A compound according to claim 1 which is tetrakis-(mercaptolauryl)-2,9-dimercapto-para-menthylene diphosphite.
Claim 12
Dependent Claim 11 words
A compound according to claim 1 which is pentakis (dodecylmercapto)-bis-(1,6-hexylene-dimercapto) triphosphite.
Claim 13
Dependent Claim 36 words
A compound according to claim 3 were R is alkylene of two to 20 carbon atoms, cycloalkylene of five to six carbons in the ring or arylene of six to 10 carbon atoms in the ring.
Claim 14
Dependent Claim 146 words
A compound according to claim 1 wherein R1 is alkyl of one to 20 carbon atoms, haloalkyl of two to 20 carbon atoms, phenyl, alkylphenyl having up to 18 carbon atoms in the alkyl group, naphthyl, terpinyl, phellandryl, sylvestryl, halophenyl, chloro methyl phenyl, alkenyl of three to 20 carbon atoms, benzyl, cycloalkyl having five to six carbon atoms in the ring and R is alkylene of two to 20 carbon atoms, cycloalkylene of five to six carbon atoms in the ring methylene, alpha-terpinylene, phellandrylene, sylvestrylene, arylene of six to 10 carbon atoms in the ring, alkylenoxyalkylene having two to eight carbon atoms in each alKylene group, alkylenthioalkylene having two to eight carbon atoms in each alkylene group, polyalkylene glycol having two to three carbon atoms in each alkylene group and having one to three ether oxygen atoms or divalent alkene having four to eight carbon atoms
Claim 15
Dependent Claim 38 words
A compound according to claim 15 wherein R is alkylene of two to 20 carbon atoms, cycloalkylene of five to six carbon atoms in the ring, menthylene or arylene of six to 10 carbon atoms in the ring.
Claim 16
Dependent Claim 10 words
A compound according to claim 16 wherein R is menthylene.

References Cited (Backward Citations)

US2871202A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-05-30 1975-11-29 1976-05-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-05-30 1979-11-29 1980-05-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-05-30 1983-11-29 1984-05-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag