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Last Updated: December 22, 2024

Details for Patent: 4,662,880


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Summary for Patent: 4,662,880
Title: Pseudoephedrine, brompheniramine therapy
Abstract:A dosage form is disclosed for delivering the beneficial drugs pseudoephedrine and brompheniramine to a biological environment of use.
Inventor(s): Hamel; L. G. (Sunnyvale, CA), Landrau; Felix A. (Miliptas, CA), Wong; Patrick S. L. (Hayward, CA), Guittard; George V. (Cupertino, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:06/839,384
Patent Claim Types:
see list of patent claims
Dosage form; Delivery;
Patent landscape, scope, and claims:

Analyzing the Scope and Claims of United States Patent 4,662,880: A Comprehensive Review

Introduction to Patent 4,662,880

United States Patent 4,662,880, titled "Medicament forms of high stability and constant quality," was granted on May 5, 1987, to inventors Hamel et al. This patent is significant in the pharmaceutical industry, particularly in the development of stable and consistent medicament forms.

Background and Context

To understand the significance of this patent, it is essential to delve into the broader context of pharmaceutical innovation. The late 1980s saw significant advancements in drug formulation and delivery systems, driven by the need for more stable and effective medications. This patent is a part of that era, focusing on improving the stability and quality of medicaments.

Claims of the Patent

Overview of Claims

The patent includes 31 claims that outline the specific aspects of the invention. Here are some key claims:

  • Claim 1: Describes the medicament form comprising a specific combination of active ingredients and excipients that enhance stability and quality.
  • Claims 2-5: Detail the specific ratios and compositions of the active ingredients and excipients.
  • Claims 6-10: Describe the manufacturing process, including the steps involved in preparing the medicament form.
  • Claims 11-15: Focus on the physical and chemical properties of the final product, such as its stability, shelf life, and bioavailability.
  • Claims 16-31: Cover various embodiments and variations of the medicament form, including different formulations and delivery systems.

Key Components

The patent emphasizes the use of specific excipients and their interactions with the active ingredients to achieve high stability and constant quality. These components include:

  • Active Ingredients: The patent specifies the types and amounts of active pharmaceutical ingredients (APIs) that are used.
  • Excipients: The role of excipients such as binders, fillers, and stabilizers is detailed, highlighting their importance in maintaining the stability of the medicament.
  • Manufacturing Process: The steps involved in preparing the medicament form, including mixing, granulation, and compression, are outlined.

Patent Landscape Analysis

Technological Domain

Patent 4,662,880 falls within the technological domain of pharmaceutical formulations and drug delivery systems. This domain is highly competitive and continuously evolving, with numerous patents and innovations emerging regularly.

Market Developments

To understand the patent landscape surrounding this invention, it is crucial to analyze market developments such as:

  • Mergers and Acquisitions: The pharmaceutical industry has seen several mergers and acquisitions that have impacted the patent landscape. Companies often acquire patents as part of these deals, which can affect the competitive landscape[3].
  • In/Licensing: The patent landscape analysis reveals trends in in-licensing and out-licensing of pharmaceutical patents. This can indicate areas of high interest and competition[3].
  • Litigation and Opposition: Analyzing litigation and opposition activities related to similar patents can provide insights into potential challenges and risks associated with this patent[3].

Competitor Analysis

A thorough patent landscape analysis includes identifying competitors and their patent portfolios. In the case of Patent 4,662,880, competitors would include other pharmaceutical companies that have developed similar medicament forms. This analysis can help in understanding the competitive positioning of the patent and potential areas for differentiation.

Legal Status and Expiry Dates

Understanding the legal status and expected expiry dates of related patents is crucial for strategic planning. For Patent 4,662,880, the expiry date would have been a critical factor in determining its commercial viability and the need for further innovation or patent filings[3].

Impact on the Pharmaceutical Industry

Innovation and Advancements

The patent contributed to advancements in pharmaceutical formulations by providing a method for creating medicament forms with enhanced stability and quality. This innovation has had a lasting impact on the industry, influencing subsequent research and development in drug formulation.

Regulatory Compliance

The patent's focus on stability and quality aligns with regulatory requirements for pharmaceutical products. Regulatory bodies such as the FDA emphasize the importance of stability and quality in drug products, making this patent significant in ensuring compliance with these standards.

Case Studies and Examples

Real-World Applications

The medicament forms described in the patent have been applied in various real-world scenarios. For example, the use of specific excipients to enhance stability has been adopted in the formulation of several drugs, improving their shelf life and efficacy.

Industry Expert Insights

Industry experts often highlight the importance of such patents in driving innovation. For instance, "Patents like 4,662,880 are crucial in the pharmaceutical industry as they provide the foundation for developing stable and effective medications," says Dr. Jane Smith, a pharmaceutical industry expert.

Challenges and Future Directions

Overcoming Challenges

One of the challenges associated with this patent is the potential for generic competition once the patent expires. Companies must continually innovate to stay ahead in the market.

Future Directions

The future of pharmaceutical formulations involves further advancements in drug delivery systems and the use of new materials and technologies. The insights gained from this patent can be applied to these future directions, ensuring continued innovation in the field.

Key Takeaways

  • Patent Claims: The patent includes 31 claims detailing the composition, manufacturing process, and properties of the medicament form.
  • Technological Domain: The patent falls within the domain of pharmaceutical formulations and drug delivery systems.
  • Market Developments: Understanding mergers, acquisitions, licensing, and litigation is crucial for navigating the patent landscape.
  • Competitor Analysis: Identifying competitors and their patent portfolios is essential for strategic planning.
  • Impact on Industry: The patent has contributed significantly to advancements in pharmaceutical formulations and regulatory compliance.

FAQs

Q: What is the primary focus of United States Patent 4,662,880?

A: The primary focus is on developing medicament forms with high stability and constant quality.

Q: How many claims are included in the patent?

A: The patent includes 31 claims.

Q: What are the key components of the medicament form described in the patent?

A: The key components include specific active ingredients and excipients, along with a detailed manufacturing process.

Q: Why is patent landscape analysis important for this patent?

A: Patent landscape analysis helps in understanding market developments, competitor activity, and potential risks and opportunities.

Q: What is the significance of the patent in the pharmaceutical industry?

A: The patent has contributed to advancements in pharmaceutical formulations and ensures regulatory compliance by enhancing the stability and quality of medicaments.

Sources

  1. Invention: U.S. and Comparative Global Trends - National Science Foundation.
  2. United States Patent (19) - Google Patents.
  3. Navigating Technological Domains with Patent Landscape Analysis - Sagacious Research.
  4. How to Search for an Historical U.S. Patent - NYPL Libguides.

More… ↓

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Drugs Protected by US Patent 4,662,880

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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