← Back to Patent Explorer
US5051489A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel silanol waxes

Assignee: Siltech Inc
•
Filing: 1990-01-25
•
Granted: 1991-09-24
•
Expires: 2010-01-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The invention discloses novel silanol waxes. Compounds of the invention by virtue of their silanol fatty ester group are waxy lubricious solids which provide outstanding lubrication and hydrophobicity when applied to hair, skin and textile fibers. The compounds of the present invention are prepared by reacting a silanol compound with a fatty carboxylic and or polycarboxylic acid, ester or anhydride.

Inventors

  • 👤 Anthony J. O'Lenick, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:19
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6433; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/58; A61K8/585; A61K8/72; A61K8/84; A61K8/89; A61K8/891; A61K8/893; A61Q; A61Q19/00; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/48; C08G77/50; D06M13/00; D06M13/50; D06M13/51; D06M13/513; D06M7/00; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; A61Q1/08; A61Q1/10; A61Q15/00; A61Q5/00; A61Q5/12; D06M2200/00; D06M2200/40

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 85 words
A silanol ester compound which conforms to the following structure; ##STR5## R 2 is ##STR6## R 1 is alkyl having 6 to 30 carbon atoms; R 3 is selected from --(CH 2 ) c --, or --(CH 2 ) d --CH═CH--(CH 2 ) e --; a is an integer from 0 to 20; b is an integer from 1 to 200; c, d and e are independently integers from 1 to 10; R 4 is alkyl having 1 to 18 carbon atoms or aromatic C6H5.
Claim 2
Dependent Claim 85 words
A silanol ester compound which conforms to the following structure; ##STR5## R 2 is ##STR6## R 1 is alkyl having 6 to 30 carbon atoms; R 3 is selected from --(CH 2 ) c --, or --(CH 2 ) d --CH═CH--(CH 2 ) e --; a is an integer from 0 to 20; b is an integer from 1 to 200; c, d and e are independently integers from 1 to 10; R 4 is alkyl having 1 to 18 carbon atoms or aromatic C6H5.
Claim 3
Dependent Claim 15 words
A compound of claim 1 wherein R 1 has between 11 and 19 carbon atoms.
Claim 4
Dependent Claim 15 words
A compound of claim 1 wherein R 1 has between 15 and 18 carbon atoms.
Claim 5
Dependent Claim 12 words
A compound of claim 1 wherein R 1 has 18 carbon atoms.
Claim 6
Dependent Claim 9 words
A compound of claim 1 wherein a is zero.
Claim 7
Dependent Claim 15 words
A compound of claim 5 wherein R 1 has between 11 and 19 carbon atoms.
Claim 8
Dependent Claim 15 words
A compound of claim 5 wherein R 1 has between 15 and 18 carbon atoms.
Claim 9
Dependent Claim 12 words
A compound of claim 5 wherein R 1 has 18 carbon atoms.

References Cited (Backward Citations)

US3257343A Cited
US3583885A Cited
US4125498A Cited
US4608421A Cited
US4683271A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-09-23 1995-03-25 1995-09-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-09-23 1999-03-25 1999-09-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-09-23 2003-03-25 2003-09-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag