Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2005-04-26
2005-04-26
Wilson, James O. (Department: 1623)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C536S123000, C536S123100, C536S124000, C536S128000, C536S088000, C507S211000, C507S241000, C426S573000, C166S281000, C166S308500, C435S101000, C524S055000
Reexamination Certificate
active
06884884
ABSTRACT:
The present invention relates to a method for depolymerizing galactomannan and derivatives thereof. The present invention relates to compositions comprising galactomannan and derivatives thereof prepared according to the methods of this invention and uses for the compositions. The present invention also relates to compositions comprising hydroxypropylgalactomannan having a specific polydispersity index, weight average molecular weight and viscosity in solution.
REFERENCES:
patent: 2112116 (1938-03-01), Richter
patent: 2295067 (1942-09-01), Williams
patent: 2483936 (1949-10-01), Roberts
patent: 2512338 (1950-06-01), Klug
patent: 2767167 (1956-10-01), Opie et al.
patent: 3297604 (1967-01-01), Germino
patent: 3344743 (1967-10-01), Griffith
patent: 3391135 (1968-07-01), Ouno et al.
patent: 3582411 (1971-06-01), Brockbank et al.
patent: 3622408 (1971-11-01), Lyerly
patent: 3728331 (1973-04-01), Savage
patent: 3734873 (1973-05-01), Anderson et al.
patent: 3890171 (1975-06-01), Jessop
patent: 3922173 (1975-11-01), Misak
patent: 3985651 (1976-10-01), Newman
patent: 4118355 (1978-10-01), Vorchheimer
patent: 4312675 (1982-01-01), Pickens et al.
patent: 4316982 (1982-02-01), Holst et al.
patent: 4320226 (1982-03-01), Tiefenthaler et al.
patent: 4464268 (1984-08-01), Schievelbein
patent: 4466980 (1984-08-01), Tanaka et al.
patent: 4591443 (1986-05-01), Brown et al.
patent: 4682654 (1987-07-01), Carter et al.
patent: 4687663 (1987-08-01), Schaeffer
patent: 4693982 (1987-09-01), Carter et al.
patent: 4753659 (1988-06-01), Bayerlein et al.
patent: 4772646 (1988-09-01), Harms et al.
patent: 4816078 (1989-03-01), Schiweck et al.
patent: 4838944 (1989-06-01), Kruger
patent: 4854333 (1989-08-01), Inman et al.
patent: 4870167 (1989-09-01), Zody et al.
patent: 4874854 (1989-10-01), Colgrove et al.
patent: 4894448 (1990-01-01), Pelzer
patent: 4915174 (1990-04-01), Berrod
patent: 5051252 (1991-09-01), Schultz et al.
patent: 5055111 (1991-10-01), Bomba
patent: 5055209 (1991-10-01), Bridges et al.
patent: 5080717 (1992-01-01), Young
patent: 5093485 (1992-03-01), Svensson
patent: 5179083 (1993-01-01), Zody et al.
patent: 5190374 (1993-03-01), Harms et al.
patent: 5250306 (1993-10-01), McCleary et al.
patent: 5362312 (1994-11-01), Skaggs et al.
patent: 5382411 (1995-01-01), Allen
patent: 5421412 (1995-06-01), Kelly et al.
patent: 5422134 (1995-06-01), Hart et al.
patent: 5426137 (1995-06-01), Allen
patent: 5480984 (1996-01-01), Angerer et al.
patent: 5569483 (1996-10-01), Timonen et al.
patent: 5614475 (1997-03-01), Moorhouse et al.
patent: 5708162 (1998-01-01), Hilbig et al.
patent: 5725648 (1998-03-01), Brown et al.
patent: 5747658 (1998-05-01), Veelaert et al.
patent: 5811148 (1998-09-01), Chiu et al.
patent: 5869435 (1999-02-01), Kelly et al.
patent: 5872246 (1999-02-01), Commander et al.
patent: 5906962 (1999-05-01), Pallas et al.
patent: 5969012 (1999-10-01), Harris
patent: 6017855 (2000-01-01), Dawson et al.
patent: 6022717 (2000-02-01), Brady et al.
patent: 6054511 (2000-04-01), Angerer et al.
patent: 6124124 (2000-09-01), Brady et al.
patent: 6138760 (2000-10-01), Lopez et al.
patent: 6179962 (2001-01-01), Brady et al.
patent: 6197730 (2001-03-01), Kelly et al.
patent: 839258 (1970-04-01), None
patent: 33 47 469 (1985-07-01), None
patent: 41 37 237 (1993-05-01), None
patent: 030443 (1981-06-01), None
patent: 0219281 (1987-04-01), None
patent: 0447972 (1991-09-01), None
patent: 0449594 (1991-10-01), None
patent: 0602 991 (1994-06-01), None
patent: 1008306 (2000-06-01), None
patent: 2 811 667 (2002-01-01), None
patent: 1139637 (1969-01-01), None
patent: WO 9002807 (1990-03-01), None
patent: WO 9315116 (1993-08-01), None
patent: WO 9856828 (1998-12-01), None
patent: WO 9903058 (1999-01-01), None
patent: WO 9904027 (1999-01-01), None
patent: WO 9933879 (1999-07-01), None
patent: WO 9950201 (1999-10-01), None
patent: WO 0107485 (2001-02-01), None
R. Lapasin et al., “Rheology of Hydroxyethyl Guar Gum Derivatives”Carbohydrate Polymers, 14, 411-427 (1991).
H. Prabhanjan et al., “Guar Gum Derivatives. Part I: Preparation and Properties”Carbohydrate Polymers, 11, 279-292 (1989).
B.E. Christensen et al., “Degradation of Double-Stranded Xanthan by Hydrogen Peroxide in the Presence of Ferrous Ions: Comparison to Acid Hydrolysis”Carbohydrate Research, 280, pp. 85-99 (1996).
D. Craig et al., “The Degradation of Hydroxypropyl Guar Fracturing Fluids by Enzyme, Oxidative, and Catalyzed Oxidative Breakers”Proceedings of the Thirty-Ninth Annual Southwestern Petroleum Short Course, Southwestern Petroleum Short COurse Association, Inc., Texas Tech University, Lubbock, Texas, pp. 1-19 (1992).
E. Frollini et al., “Polyelectrolytes from Polysaccharides: Selective Oxidation of Guar Gum—a Revisited Reaction”Carbohydrate Polymers, 27, pp. 129-135 (1995).
B.L. Gall and C.J. Raible, “Molecular Size Studies of Degraded Fracturing Fluid Polymers”Proceedings: 1985 SPE International Symposium on Oilfield and Geothermal Chemistry, SPE 13566, Apr. 9-11, pp. 167-178 (1985).
T. Ouchi et al., “Synthesis and Cytotoxic Activity of Oxidized Galactomannan/ADR Conjugate”J.M.S. Pure Appl. Chem., A34(6), pp. 975-989 (1997).
A. Tayal et al., “Degradation of a Water-Soluble Polymer: Molecular Weight Changes and Chain Scission Characteristics”Macromolecules, 33, pp. 9488-9493 (2000).
A. Tayal et al., “Rheology and Microstructural Changes during Enzymatic Degradation of a Guar-Borax Hydrogel”Macromolecules, 32, pp. 5567-5574 (1999).
B.R. Vijayendran and T. Bone, “Absolute Molecular Weight and Molecular Weight Distribution of Guar by Size Exclusion Chromatography and Low-angle Laser LIght Scattering”Carbohydrate Polymers, 4, pp. 299-313 (1984).
Diguet Sylvain
Magallanes Jesse
Stivers William
Fish & Neave IP Group Ropes & Gray LLP
Khare Devesh
Petka Wendy A.
Rhodia Inc.
Wilson James O.
LandOfFree
Galactomannan compositions and methods for making and using... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Galactomannan compositions and methods for making and using..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Galactomannan compositions and methods for making and using... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3427096