STEIN, HALL & CO. INC.,
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 07, 1992 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 174 Total Citation Count
- Mar 22, 1979 Earliest Filing
- 12 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5128462 Hydrophobically modified carboxyalkyl hydroxyalkyl ethers of polygalactomannansJul 01, 91Jul 07, 92[C07H, C08B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4964999 Process for forming stable emulsions of water soluble polysaccharides in hydrocarbon liquidsExpiredNov 07, 88Oct 23, 90[C09K, E21B]
4752339 Thixotropic aqueous solutions containing a divinylsulfone-crosslinked polygalactomannan gumExpiredOct 31, 83Jun 21, 88[C08L]
4677201 Titanium-glycol useful as crosslinking agents for polygalactomannansExpiredFeb 19, 86Jun 30, 87[C07H]
4605736 Titanium-glycol useful, as crosslinking agents, for polygalactomannansExpiredJun 11, 85Aug 12, 86[C07H]
4549907 Thixotropic aqueous solutions containing a crosslinked polygalactomannan gumExpiredDec 20, 84Oct 29, 85[C09K, C08G, C08B, B01J]
4451628 Process for preparing low molecular weight water-soluble polymers by copolymerizing with water-soluble monomers a calculated quantity of methallylsulfonate monomerExpiredSep 13, 82May 29, 84[C08F]
4403360 Distributor for gel systems to form sharply delineated color patterns upon textile surfacesExpiredApr 02, 81Sep 13, 83[D06B]
4374216 Stable high solids water-in-oil slurry dispersion compositionExpiredDec 09, 81Feb 15, 83[C08J, C08L]
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