Patents by Inventor Paramvir Singh Ahuja

Paramvir Singh Ahuja has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090018319
    Abstract: Abstract An isolated DNA sequence set forth in SEQ ID NO: 32, which is differentially expressed in apical buds of plant Caragana jubata (Pall.) under freezing conditions, is disclosed.
    Type: Application
    Filed: October 12, 2007
    Publication date: January 15, 2009
    Inventors: Sanjay Kumar, Rajesh Kumar Gupta, Paramvir Singh Ahuja
  • Patent number: 7145058
    Abstract: The present invention relates to an efficient and cost effective method of preventing growth of genetic transformant bacteria Agrobacterium tumefaciens after transformation in plants by using tea leaf extract as a bactericide, wherein said method leads to elimination of common problem of polyphenol oxidation during transformation and thereby helps maintain regeneration potential in explants and also helps in increased transformation efficacy
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: December 5, 2006
    Assignee: Council of Scientific and Industrial Research
    Inventors: Indra Sandal, Amita Bhattacharya, Ashu Gulati, Srigiripuram D. Ravindranath, Paramvir Singh Ahuja
  • Patent number: 7129394
    Abstract: The present invention relates to Production of transgenic tea (Camellia sinensis (L.) O. Kuntze) through biolistic.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: October 31, 2006
    Assignee: Council of Scientific and Industrial
    Inventors: Indra Sandal, Amita Bhattacharya, Paramvir Singh Ahuja
  • Patent number: 7037697
    Abstract: The invention relates to a novel purified isozyme of an autoclavable superoxide dismutase extracted from the plant Potentilla atrosanguinea Lodd. Var. areyrophylla, said isozyme having the following characteristics, O2? scavenging activity remains same before and after autoclaving; scavenges O2? from sub-zero temperature of ?20° C. to high temperature of +80° C.; O2? scavenging activity at 25° C. for 30 days without adding any stabilizing agent such as polyols or sugars; O2? scavenging activity in the presence of saline (0.9% sodium chloride) to 61.8% of the control (without 0.9% sodium chloride), stable at 4° C. for at least 8 months; contamination free and infection free from any living micro- and/or macro-organism after autoclaving; possesses temperature optima at 0° C.; possesses a molecular weight of 33 kD under non-denaturating conditions; possesses a molecular weight of 36 kD under denaturating conditions; has clear peaks in UV range at 268 and 275 nm; has an enzyme turnover number of 19.
    Type: Grant
    Filed: October 21, 2002
    Date of Patent: May 2, 2006
    Assignee: Council of Scientific & Industrial Research
    Inventors: Sanjay Kumar, Rashmita Sahoo, Paramvir Singh Ahuja
  • Patent number: 6911119
    Abstract: This invention relates to a simple, convenient, portable mini-distillation apparatus for the production of essential oils and hydrosols, said apparatus is useful to distill essential oils and hydrosols such as rose water, ajowain water from fresh and dried plant material like leaves, flowers, roots and rhizomes by water distillation, water and steam distillations and as an optional, steam distillation can also be perform at atmospheric pressure as well as slightly higher and lower than atmospheric pressure, said apparatus can be heated on brick-clay furnace with small agro-waste, LPG cooking gas, electrically heated stove or kerosene/diesel burner etc. and requires minimum attention during handling; since the apparatus is made of stainless steel and glass, the essential oil distilled is of better quality.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: June 28, 2005
    Assignee: Council of Scientific & Industrial Research
    Inventors: Garikapati D. Kiran Babu, Paramvir Singh Ahuja, Vijay Kumar Kaul, Virendra Singh
  • Publication number: 20040216191
    Abstract: The present invention relates to Production of transgenic tea (Camellia sinensis (L.) O.
    Type: Application
    Filed: January 22, 2002
    Publication date: October 28, 2004
    Applicant: Council of Scientific and Industrial Research
    Inventors: Indra Sandal, Amita Bhattacharya, Paramvir Singh Ahuja
  • Publication number: 20040009544
    Abstract: The present invention relates to a thermolabile caffeine fraction useful for an efficient Agrobacterium-mediated genetic transformation in plant systems to develop desired traits in plant, and a method of preparing said fraction from tea leaves and also, an efficient and cost-effective method of introducing said Agrobacterium-mediated genetic transformation into plant systems using said caffeine fraction of tea leaves.
    Type: Application
    Filed: March 25, 2003
    Publication date: January 15, 2004
    Inventors: Indra Sandal, Ajay Kumar, Amita Bhattacharya, Ravindranath Srigiripuram Desikalhar, Ashu Gulati, Paramvir Singh Ahuja
  • Publication number: 20030196214
    Abstract: The present invention relates to three novel genes of SEQ ID Nos. 1-3 useful for water-stress tolerance in biological systems, wherein said genes are differentially expressed in Tea plant under drought conditions and a method of introducing said genes into a biological system to help develop water stress tolerance.
    Type: Application
    Filed: March 27, 2002
    Publication date: October 16, 2003
    Inventors: Priti Sharma, Sanjay Kumar, Paramvir Singh Ahuja
  • Publication number: 20030186442
    Abstract: The present invention relates to an efficient and cost effective method of preventing growth of genetic transformant bacteria Agrobacterium tumefaciens after transformation in plants by using tea leaf extract as a bactericide, wherein said method leads to elimination of common problem of polyphenol oxidation during transformation and thereby helps maintain regeneration potential in explants and also helps in increased transformation efficacy
    Type: Application
    Filed: March 27, 2002
    Publication date: October 2, 2003
    Inventors: Indra Sandal, Amita Bhattacharya, Ashu Gulati, S.D. Ravindranath, Paramvir Singh Ahuja
  • Publication number: 20030180723
    Abstract: The present invention relates to cloning of novel gene sequences expressed and repressed during winter dormancy in the apical buds of Camellia sinensis L. (O.) Kuntze (hereinafter, referred to tea) bush, particularly, relates to identification, cloning and analysis of novel 3 prime (hereinafter called as 3′) ends of the genes (gene in the present invention refers to the deoxyribonucleic acid (hereinafter known as, DNA) sequences that are expressed and repressed in winter-dormant apical buds of tea. 3′ end refers to that end of DNA which has free hydroxyl group at 3rd position of the carbohydrate moiety of the DNA molecule.
    Type: Application
    Filed: March 31, 2001
    Publication date: September 25, 2003
    Inventors: Sanjay Kumar, Lakhvir Lal, Paramvir Singh Ahuja
  • Patent number: 6623538
    Abstract: A compact, portable, lightweight, low power consuming, convenient, versatile and sterile laminar airflow device, useful in obtaining a workspace substantially devoid of airborne particulate contaminants, said device having a body (C) divided into an upper and lower chambers; the upper chamber housing one or more pre-filtration members (B), a motor (T) driving a fan (S), and one or more filters (U) located below the motor; and the lower chamber provided with a slideable front panel (M), a removable platform (X) located at the lower portion of the chamber and a perforated plane (N) placed on the removable platform.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: September 23, 2003
    Assignee: Council of Scientific & Industrial Research
    Inventors: Rajesh Thakur, Anil Sood, Paramvir Singh Ahuja
  • Publication number: 20030148518
    Abstract: The present invention describes an improved method of Podophyllum hexandrum Royle through embryo culture technique by using B5 medium supplemented with 3% sucrose and 0.8% agar under initial dark conditions for embryo germination and initial embling growth followed by light/dark photoperiod regime for further embling development.
    Type: Application
    Filed: March 22, 2001
    Publication date: August 7, 2003
    Inventors: Amit Chandra Kharkwal, Om Prakash, Amita Bhattacharya, Paramvir Singh Ahuja
  • Publication number: 20030140379
    Abstract: The present invention relates to three novel sequences of SEQ ID Nos. 1-3, differentially expressed in apical buds of plant Caragana jubata (Pall.) under freezing conditions and a method of identifying differential expression in said plant species, and also, a method of introducing said sequences into a biological system to develop freeze tolerance in them.
    Type: Application
    Filed: March 27, 2002
    Publication date: July 24, 2003
    Inventors: Sanjay Kumar, Rajesh Kumar Gupta, Paramvir Singh Ahuja
  • Patent number: 6569680
    Abstract: The invention a novel and efficient method for protoplast culture comprising the steps of isolating the protoplasts from a cell suspension, mixing the protoplasts with equal volumes of alginate solution, placing 40-50 &mgr;l of CaCl2 solution on a glass microslide, placing a mixture of protoplasts and alginate solution on the glass microslide and immediately covering by a glass coverglass, adding CaCl2 solution from the sides of coverglass, sliding down the coverglass towards one side and placing it in a petridish containing protoplast culture medium, sealing the petridishes, incubating it and transferring the extra thin alginate layer with celled colonies to regeneration medium for development of culture.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: May 27, 2003
    Assignee: Council of Scientific & Industrial Research
    Inventors: Pratap Kumar Pati, Madhu Sharma, Paramvir Singh Ahuja
  • Patent number: 6548300
    Abstract: The invention provides a one step method for micropropagation of tea plants from leaf explants via callus phase, wherein the explants are maintained in basal Murashige and Skoog medium (Murashige T. and Skoog F. A revised medium for rapid growth and bioassays with tobacco tissue cultures. Physiol. Plant. 15: 473-497; 1962) supplemented with vitamins like thiamine-HCl (0.05 to 2.0 mg/l), pyridoxine-HCl (0.25 to 1.5 mg/l) and nicotinic acid (0.25 to 1.5 mg/l) together with glycine (1.0 to 3.0 mg/l) and either 2.5, 5.0 or 7.5 mg/l 2,4-Dichlorophenoxy acetic acid for a period of 14-16 weeks, from the stage of induction of callus to rhizogenesis and shoot formation.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: April 15, 2003
    Assignee: Council of Scientific & Industrial Research
    Inventors: Indra Sandal, Amita Bhattacharya, Madhu Sharma, Paramvir Singh Ahuja
  • Publication number: 20030064494
    Abstract: The invention relates to a novel purified isozyme of an autoclavable superoxide dismutase extracted from the plant Potentilla astrisanguinea Lodd. Var. orgyrophylla, said isozyme having the following characteristics, O2−. scavenging activity remains same before and after autoclaving; scavenges O2−. from sub-zero temperature of −20° C. to high temperature of +80° C.; O2−. scavenging activity at 25° C. for 30 days without adding any stabilizing agent such as polyols or sugars; O2−. scavenging activity in the presence of saline (0.9% sodium chloride) to 61.8% of the control (without 0.9% sodium chloride), stable at 4° C. for at least 8 months; contamination free and infection free from any living micro- and/ or macro-organism after autoclaving; possesses temperature optima at 0° C.
    Type: Application
    Filed: October 21, 2002
    Publication date: April 3, 2003
    Applicant: Council of Scientific & Industrial Research
    Inventors: Sanjay Kumar, Rashmita Sahoo, Paramvir Singh Ahuja
  • Patent number: 6485950
    Abstract: The invention relates to a novel purified isozyme of an autoclavable superoxide dismutase extracted from the plant Potentilla atrosanguinea Lodd. Var. orgyrophylla, said isozyme having the following characteristics, O2− scavenging activity remains same before and after autoclaving; scavenges O2− from sub-zero temperature of −20° C. to high temperature of +80° C.; O2− scavenging activity at 25° C. for 30 days without adding any stabilizing agent such as polyols or sugars; O2− scavenging activity in the presence of saline (0.9% sodium chloride) to 61.8% of the control (without 0.9% sodium chloride), stable at 4° C. for at least 8 months; contamination free and infection free from any living micro- and/or macro-organism after autoclaving; possesses temperature optima at 0° C.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: November 26, 2002
    Assignee: Council of Scientific and Industrial Research
    Inventors: Sanjay Kumar, Rashmita Sahoo, Paramvir Singh Ahuja
  • Publication number: 20020173037
    Abstract: The invention a novel and efficient method for protoplast culture comprising the steps of isolating the protoplasts from a cell suspension, mixing the protoplasts with equal volumes of alginate solution, placing 40-50 &mgr;l of CaCl2 solution on a glass microslide, placing a mixture of protoplasts and alginate solution on the glass microslide and immediately covering by a glass coverglass, adding CaCl2 solution from the sides of coverglass, sliding down the coverglass towards one side and placing it in a petridish containing protoplast culture medium, sealing the petridishes, incubating it and transferring the extra thin alginate layer with celled colonies to regeneration medium for development of culture.
    Type: Application
    Filed: March 29, 2001
    Publication date: November 21, 2002
    Inventors: Pratap Kumar Pati, Madhu Sharma, Paramvir Singh Ahuja
  • Patent number: 6449899
    Abstract: The present invention describes a method for inducing improved seed germination in a high altitude medicinal plant, Podophyllum hexandrum Royle through hot water treatment at 40° C.-100° C. for 30-120 seconds.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: September 17, 2002
    Assignee: Council of Scientific and Industrial Research
    Inventors: Amit Chandra Kharkwal, Om Prakash, Amita Bhattacharya, Pramod Kumar Nagar, Paramvir Singh Ahuja
  • Publication number: 20020124465
    Abstract: The present invention describes a method for inducing improved seed germination in a high altitude medicinal plant, Podophyllum hexandrum Royle through hot water treatment at 40° C.-100° C. for 30-120 seconds.
    Type: Application
    Filed: March 8, 2001
    Publication date: September 12, 2002
    Inventors: Amit Chandra Kharkwal, Om Prakash, Amita Bhattacharya, Pramod Kumar Nagar, Paramvir Singh Ahuja